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https://nyti.ms/2YBa4UG
Because reform won’t happen.
By Mariame Kaba
Ms. Kaba is an organizer against criminalization.
June 12, 2020
Congressional Democrats want to make it easier to identify and
prosecute police misconduct; Joe Biden wants to give police
departments $300
million. But efforts to solve police violence through liberal
reforms like these have failed for nearly a century.
Enough. We can’t reform the police. The only way to diminish
police violence is to reduce contact between the public and the
police.
There is not a single era in United States history in which the
police were not a force of violence against black people.
Policing in the South
emerged from the slave patrols in the 1700 and 1800s that
caught and returned runaway slaves. In the North, the first
municipal police
departments in the mid-1800s helped quash labor strikes and
riots against the rich. Everywhere, they have suppressed
marginalized
populations to protect the status quo.
So when you see a police officer pressing his knee into a black
man’s neck until he dies, that’s the logical result of policing in
America. When a
police officer brutalizes a black person, he is doing what he
sees as his job.
Now two weeks of nationwide protests have led some to call for
defunding the police, while others argue that doing so would
make us less safe.
The first thing to point out is that police officers don’t do what
you think they do. They spend most of their time responding to
noise complaints,
issuing parking and traffic citations, and dealing with other
noncriminal issues. We’ve been taught to think they “catch the
bad guys; they
chase the bank robbers; they find the serial killers,” said Alex
Vitale, the coordinator of the Policing and Social Justice Project
at Brooklyn
College, in an interview with Jacobin. But this is “a big myth,”
he said. “The vast majority of police officers make one felony
arrest a year. If
they make two, they’re cop of the month.”
We can’t simply change their job descriptions to focus on the
worst of the worst criminals. That’s not what they are set up to
do.
Second, a “safe” world is not one in which the police keep black
and other marginalized people in check through threats of
arrest,
incarceration, violence and death.
I’ve been advocating the abolition of the police for years.
Regardless of your view on police power — whether you want
to get rid of the police
or simply to make them less violent — here’s an immediate
demand we can all make: Cut the number of police in half and
cut their budget in
half. Fewer police officers equals fewer opportunities for them
to brutalize and kill people. The idea is gaining traction in
Minneapolis, Dallas,
Los Angeles and other cities.
History is instructive, not because it offers us a blueprint for
how to act in the present but because it can help us ask better
questions for the
future.
The Lexow Committee undertook the first major investigation
into police misconduct in New York City in 1894. At the time,
the most common
complaint against the police was about “clubbing” — “the
routine bludgeoning of citizens by patrolmen armed with
nightsticks or blackjacks,”
as the historian Marilynn Johnson has written.
The Wickersham Commission, convened to study the criminal
justice system and examine the problem of Prohibition
enforcement, offered a
scathing indictment in 1931, including evidence of brutal
interrogation strategies. It put the blame on a lack of
professionalism among the
police.
After the 1967 urban uprisings, the Kerner Commission found
that “police actions were ‘final’ incidents before the outbreak of
violence in 12 of
the 24 surveyed disorders.” Its report listed a now -familiar set
of recommendations, like working to build “community support
for law
enforcement” and reviewing police operations “in the ghetto, to
ensure proper conduct by police officers.”
These commissions didn’t stop the violence; they just served as
a kind of counterinsurgent function each time police violence
led to protests.
Calls for similar reforms were trotted out in response to the
brutal police beating of Rodney King in 1991 and the rebellion
that followed, and
again after the killings of Michael Brown and Eric Garner. The
final report of the Obama administration’s President’s Task
Force on 21st
Century Policing resulted in procedural tweaks like implicit-
bias training, police-community listening sessions, slight
alterations of use-of-force
policies and systems to identify potentially problematic officers
early on.
But even a member of the task force, Tracey Meares, noted in
2017, “policing as we know it must be abolished before it can
be transformed.”
Yes, We Mean Literally Abolish the Police
Opinion | Yes, We Mean Literally Abolish the Police - The
New...
https://www.nytimes.com/2020/06/12/opinion/sunday/floyd-
abo...
1 of 2 9/8/20, 5:03 PM
The philosophy undergirding these reforms is that more rules
will mean less violence. But police officers break rules all the
time. Look what
has happened over the past few weeks — police officers
slashing tires, shoving old men on camera, and arresting and
injuring journalists and
protesters. These officers are not worried about repercussions
any more than Daniel Pantaleo, the former New York City
police officer whose
chokehold led to Eric Garner’s death; he waved to a camera
filming the incident. He knew that the police union would back
him up and he was
right. He stayed on the job for five more years.
Minneapolis had instituted many of these “best practices” but
failed to remove Derek Chauvin from the force despite 17
misconduct complaints
over nearly two decades, culminating in the entire world
watching as he knelt on George Floyd’s neck for almost nine
minutes.
Why on earth would we think the same reforms would work
now? We need to change our demands. The surest way of
reducing police violence
is to reduce the power of the police, by cutting budgets and the
number of officers.
But don’t get me wrong. We are not abandoning our
communities to violence. We don’t want to just close police
departments. We want to make
them obsolete.
We should redirect the billions that now go to police
departments toward providing health care, housing, education
and good jobs. If we did
this, there would be less need for the police in the first place.
We can build other ways of responding to harms in our society.
Trained “community care workers” could do mental-health
checks if someone
needs help. Towns could use restorative-justice models instead
of throwing people in prison.
What about rape? The current approach hasn’t ended it. In fact
most rapists never see the inside of a courtroom. Two-thirds of
people who
experience sexual violence never report it to anyone. Those who
file police reports are often dissatisfied with the response.
Additionally, police
officers themselves commit sexual assault alarmingly often. A
study in 2010 found that sexual misconduct was the second most
frequently
reported form of police misconduct. In 2015, The Buffalo News
found that an officer was caught for sexual misconduct every
five days.
When people, especially white people, consider a world without
the police, they envision a society as violent as our current one,
merely without
law enforcement — and they shudder. As a society, we have
been so indoctrinated with the idea that we solve probl ems by
policing and caging
people that many cannot imagine anything other than prisons
and the police as solutions to violence and harm.
People like me who want to abolish prisons and police,
however, have a vision of a different society, built on
cooperation instead of
individualism, on mutual aid instead of self-preservation. What
would the country look like if it had billions of extra dollars to
spend on
housing, food and education for all? This change in society
wouldn’t happen immediately, but the protests show that many
people are ready to
embrace a different vision of safety and justice.
When the streets calm and people suggest once again that we
hire more black police officers or create more civilian review
boards, I hope that
we remember all the times those efforts have failed.
Mariame Kaba (@prisonculture) is the director of Project NIA,
a grass-roots group that works to end youth incarceration, and
an anti-criminalization organizer.
The Times is committed to publishing a diversity of letters to
the editor. We’d like to hear what you think about this or any of
our articles. Here are some tips. And here’s our email:
[email protected]
Follow The New York Times Opinion section on Facebook,
Twitter (@NYTopinion) and Instagram.
A version of this article appears in print on June 14, 2020,
Section SR, Page 2 of the New York edition with the headline:
Yes, We Mean Literally Abolish the Police
Opinion | Yes, We Mean Literally Abolish the Police - The
New...
https://www.nytimes.com/2020/06/12/opinion/sunday/floyd-
abo...
2 of 2 9/8/20, 5:03 PM
Packback is an AI-
supported online discussion
platform for developing
critical thinking, curiosity,
and writing skills.
Student Feedback
Spring 2019 Student Feedback Survey
“In past classes where
Packback wasn’t used, I
wasn’t all that interested in
the material. I just did what I
had to do to pass the class. I
didn’t think I’d care about a
GenEd ever before Packback.”
Critical questioning skills are essential
to college and post-grad life:
● In asking effective questions while interviewing to select
the right job after graduation.
● In identifying opportunities for innovation, when starting a
business, or working within a team.
● In learning new skills independently after graduation, to
keep adapting to a changing world!
Our specific Packback course objectives
In this class we’re using Packback to:
● Develop appreciation and understanding of core
principles covered
● Provide opportunities to extrapolate these principles
and apply them to the real world
● Practice good sourcing of arguments and address
mis/disinformation
How Packback discussion fits into this course
Packback will be used
in this course as a way
to integrate and apply
course concepts.
Course
Lecture
Quizzes
& Tests
Packback
Mastery of
Course
Objectives
Remembering new
factual information
and course concepts.
Proving Understanding
of course information and
concepts.
Analyzing, Evaluating,
and Generating
discussion into
broader contexts.
Participation requirements & How
you will be graded
Packback is worth 10% of your final grade!
This is an important assignment, please take it seriously as it
will affect your final grade.
Participation requirements
Weekly Deadline
Saturday at 11:59 PM MT
What to Post
per deadline period
Post 1 Question
Post 2 Responses
(Your choice of a Response,
Counterpoint, or Supporting
point)
Other Expectations
● Posts must have a
minimum Curiosity
Score of 40
● Partial Credit if
minimum is not met
Packback’s AI & How to check your
grade
Packback’s AI
Packback’s AI “flags” posts that
may be violating community
guidelines.
Posts are then reviewed by
Packback moderators.
Offending posts are moderated
and no longer count for credit
until they are re-published.
Posts on Packback are reviewed by AI
Packback’s AI flags for:
● Plagiarism
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“What is the definition of
mitosis?”)
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“When is the next test?”)
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What happens if your post is moderated?
Post is “Flagged”
If your post is “Flagged”,
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points!
At this time, your post is
still published and still
counts for credit.
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is unpublished and no longer
counts for credit.
If your post is “Moderated”,
you receive an email
notifying you.
Post is “Republished”
From the email, you can “edit
& re-publish” the post.
Doing so will earn back your
points for the post without
penalty, so long as you edit
before grades are entered.
Track your
participation
You can check your current
participation by deadline period to
make sure you’ve earned your full
points for the week.
Note: If you have any
moderated posts, you can
track them here!
Your Name
Getting started & Getting help
Registering for Packback
You will have received an
invitation in your school
email inbox.
● Follow the instructions in the email
to checkout and finish registration.
● Be sure to create an account with
the same email where you were
sent the invitation!
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Up Key” from our course
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○ You only need this key if
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Need Help? Email [email protected]
Packback’s support team is available 7 days a week, and will
help you will all technical issues.
Do NOT email me with Packback issues; their team will be able
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BIOL2610 2021 Experiment Report
Due Date: 5 p.m. Friday 21 May (mark before final exam)
Alternative Due Date: 5 p.m. Friday 28 May (no guarantee of
mark before final exam)
Summary
For this assignment, you will need to design, run, and report on
an experiment. A list of example questions
is given below. You can choose to investigate one of these
questions, or you can address another question
of interest to you after receiving prior approval from me. You
first need to develop a biological hypothesis
that addresses your chosen question. You then need to develop a
statistical null hypothesis and identify an
appropriate statistical test to evaluate it. Next, you need to
design an experiment that will yield data suitable
for addressing your chosen biological and statistical hypotheses.
Remember to carefully consider principles of
experimental design such as replication, independence, and
randomisation. You’ll then run your experiment
and analyse your data. Finally, you will need to interpret the
results of your statistical analyses in light of
your biological and statistical hypotheses. The report you
submit should be in the form of a journal article.
You will also be required to submit your experimental data and
accompanying metadata in archival format,
print outs of your R output from the console, and a commented
R script containing all of functions you used
to generate the output. You are required to do your analyses in
R.
Learning Objectives
This assignment is designed to help you meet some of the major
learning objectives of this unit. In particular,
through this assignment, you will go through all of the steps
involved in designing and implementing a
biological experiment:
1. Develop testable hypotheses based on general scientific
questions.
2. Design an unconfounded experiment to test scientific
hypotheses.
3. Choose an appropriate statistical test to analyse experimental
data.
4. Carry out statistical tests using the computer package
RStudio.
5. Correctly interpret results from statistical tests.
6. Clearly present the findings of the experiment and statistical
analyses using figures, tables, and text.
Questions
Here is a list of biological questions you could investigate for
your experiment:
1. What colour flowers do pollinators prefer?
2. Do snow pea sprouts grow faster with increases in light,
water, or nutrients?
1
3. Are germination rates of plants affected by the addition of
salinity, coffee grounds and/or worm tea to
soil?
4. Does body temperature affect the activity (e.g. running speed,
time to leave a circle, time to first
movement) of invertebrates (e.g. crickets, worms, ants,
mealworms)?
5. Do different food types differ in their attractiveness to ants ?
6. Are slugs more attracted to fresh or rotting vegetables, and
do they show preference for particular
vegetables?
7. How are hatching times/growth rates of brine shrimp (sea
monkeys) influenced by environmental
conditions (e.g. food availability, temperature, salinity, pH)?
8. Is formation of bread mould affected by factors such as bread
type (e.g. white versus wheat), moisture
level, or packaging (e.g. uncovered, plastic-bagged)?
If you would like to explore a different question, then discuss it
with me. It should be OK, but I need to
ensure first that it will allow you to meet the learning
objectives. Also, please be aware that you are unable
to due anything involving outdoor FIELDWORK (except in your
yard at home) because doing fieldwork for
anything, including a class assignment, requires extensive
paperwork!
With all of the experiments, I strongly suggest having a trial to
get your methods right before starting the
main experiment! Here is some advice for setting up particular
experiments:
(1) Flowers and pollinators
One possibility would be to make some mock-ups of flowers
(e.g. coloured paper on paddle pop sticks) in
different colours. To increase the attractiveness to pollinators,
you could place a dab of honey at the centre
of each flower. Some variants on this question would be to
investigate factors attracting or repelling different
types of insects. For example, are ants equally attracted to sugar
and artificial sweeteners?
(2) – (3) Plant growth and germination
Plant seeds can be bought in packets at garden shops and
Bunnings (and can be eaten at the end of the
experiment!) You’ll also need seed trays and seed raising mix.
There are a lot of possible variants on this
question! Previously students have investigated questions such
as: whether different types of fertiliser are
more effective than others; whether watering plants with
chlorinated water from the swimming pool is
detrimental; whether adding sugar to soil is detrimental to plant
growth; and whether fertilisation changes
stomatal density on leaves.
(4) – (6) Activity of invertebrates
You could use a temperature manipulation (i.e. putting bugs in a
fridge until they reach an internal thermal
equilibrium, after about 20 mins or so. . . ) and compare aspects
of their subsequent behaviour. For example,
you could compare activity rates of bugs kept at room
temperature with those subject to various periods of
experimental cooling. Or, you could investigate rates of
recovery from cold treatment among different sizes of
invertebrate. For slugs or ants, you could put out food baits and
count the number of organisms observed
after leaving the bait out for a fixed period of time.
(7) Growth of sea monkeys
Brine shrimp are readily available at toy stores, and hatch
within a few hours to a few days. You could
investigate how hatching times vary depending on the
temperature of the water. You could also rear sea
2
monkeys at different densities and/or with different amounts of
food to assess how competition and/or overall
food availability influence growth rates.
(8) Bread mould
You could investigate effects of conditions such as light,
temperature or moisture by placing slices of bread in
clear or opaque bags, in locations with different temperatures
(the fridge is an extreme example – you could
also try direct sunlight vs indirect sunlight to raise
temperature). You might want to compare different types
of bread; or you could compare bread with toast; or you could
investigate effects of different preservatives
such as salt or cinamon. Some hints: You want to ensure before
starting the experiment that mould spores
are present. Watch out for breads with loads of preservatives:
we’ve had some experiments fail because no
mould grew at all. To quantify mould growth, you could place a
bread-shaped grid over the slice of bread
and count the number of grid squares containing mould. Please
use rubber gloves and a mask when doing
this - be careful not to breathe in the spores!
Requirements for your Experiment Report
You will be required to submit a report in the form of a
manuscript (max 2500 words), along with your data
and metadata in archival form, and your R output and
commented script. Your experiment report should be
submitted to Turnitin. I will provide a rubric to help you when
writing your report. The report needs to
have the following sections:
Title
The title should be informative, but not verbose.
Abstract
The abstract should be a concise summary of your experiment,
including hypothesis, design, results and
interpretation.
Introduction
The introduction needs to introduce your biological hypothesis.
You’ll need to think a bit about the biology
involved and come up with a prediction that you wish to test. I
would like you to briefly discuss the biology
and explain how you came up with your hypothesis. However, I
am not expecting you to provide a review of
other literature on the subject: this would typically form part of
the Introduction to a scientific manuscript,
but can be omitted for this unit.
Materials and Methods
You need to provide a lot of detail in this section about exactly
how you set up and ran your experiment.
Pay particular attention to discussing how many replicates you
used, how you ensured independence among
your replicates, and how you randomised your sampling. Each
of the above experiments would be quite easy
to pseudo-replicate, so please make sure you give careful
thought to avoiding this error! Also clearly state
how you made your measurements and discuss what steps you
took to make them as precise as possible.
3
Results
Present your results as clearly as you can. Use no more than 7
figures and no more than 3 tables. Use correct
statistical language. Ensure that your figures meet the ‘good
graph’ criteria (see Lecture 3). Make sure that
figures and tables have captions. Use appropriate statistical
tests and give confidence intervals for effect sizes
where possible. Additionally, you should present results of an a
priori or post hoc power analysis.
Discussion
In the discussion, interpret your results in terms of your original
question. Typically, the Discussion section
that puts results in the context of what is already known about
the subject and refers to other literature –
you do not need to do this for this report unless you want to.
The discussion is also the place to mention any
problems that you faced with your experiment and suggest how
you would improve your experiment if you
were to do it over again.
Acknowledgements
If you had help with your experiment, acknowledge this help in
this section.
References
Only necessary if you have referred to books or articles in your
text. For this assessment, I am not expecting
you to review the literature: the focus is on your experiment.
Supplementary Material
Provide printouts of the RStudio output that you report on,
along with a commented R script that contains
all of the commands used to conduct your analyses. Evaluation
of the assumptions underlying the test you
used should be presented in this section.
Dataset and Metadata
Provide your data set as a .csv file, containing the data, and a
.txt file, containing the metadata. The .csv
file can be produced in Excel (Save As -> Save As Type ->
Comma Delimited). This file type can be read by
any program, not just Excel. Your .csv file should contain your
data in carefully labelled columns and will
look a bit like this:
name,gender,foot,hand
Kate,F,27.5,17.1
Elisse,M,26.9,17.5
Alex,F,26.7,18.7
...
The .txt file can be produced in Word (Save As -> Save As Type
-> Plain Text Format). Your metadata
needs to contain (at least) the following information (see
Lecture 3):
• Name and contact details of person responsible
• Geographic information about where data were collected
• Description of methods used
• Types of experimental units
4
• An explanation of each variable, including any abbreviations
used for variable names
• Units of measurement for each variable
• Value used to indicate missing data (only if missing values are
present)
5
Due Date: 5 p.m. Friday 21 May (mark before final
exam)Alternative Due Date: 5 p.m. Friday 28 May (no guarantee
of mark before final exam)SummaryLearning
ObjectivesQuestions(1) Flowers and pollinators(2) – (3) Plant
growth and germination(4) – (6) Activity of invertebrates(7)
Growth of sea monkeys(8) Bread mouldRequirements for your
Experiment ReportTitleAbstractIntroductionMaterials and
MethodsResultsDiscussionAcknowledgementsReferencesSupple
mentary MaterialDataset and Metadata

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httpsnyti.ms2YBa4UGBecause reform won’t happen.By

  • 1. https://nyti.ms/2YBa4UG Because reform won’t happen. By Mariame Kaba Ms. Kaba is an organizer against criminalization. June 12, 2020 Congressional Democrats want to make it easier to identify and prosecute police misconduct; Joe Biden wants to give police departments $300 million. But efforts to solve police violence through liberal reforms like these have failed for nearly a century. Enough. We can’t reform the police. The only way to diminish police violence is to reduce contact between the public and the police. There is not a single era in United States history in which the police were not a force of violence against black people. Policing in the South emerged from the slave patrols in the 1700 and 1800s that caught and returned runaway slaves. In the North, the first municipal police departments in the mid-1800s helped quash labor strikes and riots against the rich. Everywhere, they have suppressed marginalized
  • 2. populations to protect the status quo. So when you see a police officer pressing his knee into a black man’s neck until he dies, that’s the logical result of policing in America. When a police officer brutalizes a black person, he is doing what he sees as his job. Now two weeks of nationwide protests have led some to call for defunding the police, while others argue that doing so would make us less safe. The first thing to point out is that police officers don’t do what you think they do. They spend most of their time responding to noise complaints, issuing parking and traffic citations, and dealing with other noncriminal issues. We’ve been taught to think they “catch the bad guys; they chase the bank robbers; they find the serial killers,” said Alex Vitale, the coordinator of the Policing and Social Justice Project at Brooklyn College, in an interview with Jacobin. But this is “a big myth,” he said. “The vast majority of police officers make one felony arrest a year. If they make two, they’re cop of the month.” We can’t simply change their job descriptions to focus on the worst of the worst criminals. That’s not what they are set up to do. Second, a “safe” world is not one in which the police keep black
  • 3. and other marginalized people in check through threats of arrest, incarceration, violence and death. I’ve been advocating the abolition of the police for years. Regardless of your view on police power — whether you want to get rid of the police or simply to make them less violent — here’s an immediate demand we can all make: Cut the number of police in half and cut their budget in half. Fewer police officers equals fewer opportunities for them to brutalize and kill people. The idea is gaining traction in Minneapolis, Dallas, Los Angeles and other cities. History is instructive, not because it offers us a blueprint for how to act in the present but because it can help us ask better questions for the future. The Lexow Committee undertook the first major investigation into police misconduct in New York City in 1894. At the time, the most common complaint against the police was about “clubbing” — “the routine bludgeoning of citizens by patrolmen armed with nightsticks or blackjacks,” as the historian Marilynn Johnson has written. The Wickersham Commission, convened to study the criminal
  • 4. justice system and examine the problem of Prohibition enforcement, offered a scathing indictment in 1931, including evidence of brutal interrogation strategies. It put the blame on a lack of professionalism among the police. After the 1967 urban uprisings, the Kerner Commission found that “police actions were ‘final’ incidents before the outbreak of violence in 12 of the 24 surveyed disorders.” Its report listed a now -familiar set of recommendations, like working to build “community support for law enforcement” and reviewing police operations “in the ghetto, to ensure proper conduct by police officers.” These commissions didn’t stop the violence; they just served as a kind of counterinsurgent function each time police violence led to protests. Calls for similar reforms were trotted out in response to the brutal police beating of Rodney King in 1991 and the rebellion that followed, and again after the killings of Michael Brown and Eric Garner. The final report of the Obama administration’s President’s Task Force on 21st Century Policing resulted in procedural tweaks like implicit- bias training, police-community listening sessions, slight alterations of use-of-force
  • 5. policies and systems to identify potentially problematic officers early on. But even a member of the task force, Tracey Meares, noted in 2017, “policing as we know it must be abolished before it can be transformed.” Yes, We Mean Literally Abolish the Police Opinion | Yes, We Mean Literally Abolish the Police - The New... https://www.nytimes.com/2020/06/12/opinion/sunday/floyd- abo... 1 of 2 9/8/20, 5:03 PM The philosophy undergirding these reforms is that more rules will mean less violence. But police officers break rules all the time. Look what has happened over the past few weeks — police officers slashing tires, shoving old men on camera, and arresting and injuring journalists and protesters. These officers are not worried about repercussions any more than Daniel Pantaleo, the former New York City police officer whose chokehold led to Eric Garner’s death; he waved to a camera filming the incident. He knew that the police union would back him up and he was right. He stayed on the job for five more years.
  • 6. Minneapolis had instituted many of these “best practices” but failed to remove Derek Chauvin from the force despite 17 misconduct complaints over nearly two decades, culminating in the entire world watching as he knelt on George Floyd’s neck for almost nine minutes. Why on earth would we think the same reforms would work now? We need to change our demands. The surest way of reducing police violence is to reduce the power of the police, by cutting budgets and the number of officers. But don’t get me wrong. We are not abandoning our communities to violence. We don’t want to just close police departments. We want to make them obsolete. We should redirect the billions that now go to police departments toward providing health care, housing, education and good jobs. If we did this, there would be less need for the police in the first place. We can build other ways of responding to harms in our society. Trained “community care workers” could do mental-health checks if someone needs help. Towns could use restorative-justice models instead of throwing people in prison. What about rape? The current approach hasn’t ended it. In fact most rapists never see the inside of a courtroom. Two-thirds of
  • 7. people who experience sexual violence never report it to anyone. Those who file police reports are often dissatisfied with the response. Additionally, police officers themselves commit sexual assault alarmingly often. A study in 2010 found that sexual misconduct was the second most frequently reported form of police misconduct. In 2015, The Buffalo News found that an officer was caught for sexual misconduct every five days. When people, especially white people, consider a world without the police, they envision a society as violent as our current one, merely without law enforcement — and they shudder. As a society, we have been so indoctrinated with the idea that we solve probl ems by policing and caging people that many cannot imagine anything other than prisons and the police as solutions to violence and harm. People like me who want to abolish prisons and police, however, have a vision of a different society, built on cooperation instead of individualism, on mutual aid instead of self-preservation. What would the country look like if it had billions of extra dollars to spend on housing, food and education for all? This change in society wouldn’t happen immediately, but the protests show that many people are ready to
  • 8. embrace a different vision of safety and justice. When the streets calm and people suggest once again that we hire more black police officers or create more civilian review boards, I hope that we remember all the times those efforts have failed. Mariame Kaba (@prisonculture) is the director of Project NIA, a grass-roots group that works to end youth incarceration, and an anti-criminalization organizer. The Times is committed to publishing a diversity of letters to the editor. We’d like to hear what you think about this or any of our articles. Here are some tips. And here’s our email: [email protected] Follow The New York Times Opinion section on Facebook, Twitter (@NYTopinion) and Instagram. A version of this article appears in print on June 14, 2020, Section SR, Page 2 of the New York edition with the headline: Yes, We Mean Literally Abolish the Police Opinion | Yes, We Mean Literally Abolish the Police - The New... https://www.nytimes.com/2020/06/12/opinion/sunday/floyd- abo... 2 of 2 9/8/20, 5:03 PM
  • 9. Packback is an AI- supported online discussion platform for developing critical thinking, curiosity, and writing skills. Student Feedback Spring 2019 Student Feedback Survey “In past classes where Packback wasn’t used, I wasn’t all that interested in the material. I just did what I had to do to pass the class. I didn’t think I’d care about a GenEd ever before Packback.” Critical questioning skills are essential to college and post-grad life: ● In asking effective questions while interviewing to select the right job after graduation. ● In identifying opportunities for innovation, when starting a business, or working within a team.
  • 10. ● In learning new skills independently after graduation, to keep adapting to a changing world! Our specific Packback course objectives In this class we’re using Packback to: ● Develop appreciation and understanding of core principles covered ● Provide opportunities to extrapolate these principles and apply them to the real world ● Practice good sourcing of arguments and address mis/disinformation How Packback discussion fits into this course Packback will be used in this course as a way to integrate and apply course concepts. Course
  • 11. Lecture Quizzes & Tests Packback Mastery of Course Objectives Remembering new factual information and course concepts. Proving Understanding of course information and concepts. Analyzing, Evaluating, and Generating discussion into broader contexts.
  • 12. Participation requirements & How you will be graded Packback is worth 10% of your final grade! This is an important assignment, please take it seriously as it will affect your final grade. Participation requirements Weekly Deadline Saturday at 11:59 PM MT What to Post per deadline period Post 1 Question Post 2 Responses (Your choice of a Response, Counterpoint, or Supporting point) Other Expectations ● Posts must have a
  • 13. minimum Curiosity Score of 40 ● Partial Credit if minimum is not met Packback’s AI & How to check your grade Packback’s AI Packback’s AI “flags” posts that may be violating community guidelines. Posts are then reviewed by Packback moderators. Offending posts are moderated and no longer count for credit until they are re-published. Posts on Packback are reviewed by AI Packback’s AI flags for:
  • 14. ● Plagiarism ● Closed Ended Questions (e.g. “What is the definition of mitosis?”) ● Class Logistics Posts (e.g. “When is the next test?”) ● Low Effort/Low Detail Posts What happens if your post is moderated? Post is “Flagged” If your post is “Flagged”, you have not yet lost points! At this time, your post is still published and still counts for credit. Post is “Moderated” If your post is moderated, it
  • 15. is unpublished and no longer counts for credit. If your post is “Moderated”, you receive an email notifying you. Post is “Republished” From the email, you can “edit & re-publish” the post. Doing so will earn back your points for the post without penalty, so long as you edit before grades are entered. Track your participation You can check your current participation by deadline period to make sure you’ve earned your full
  • 16. points for the week. Note: If you have any moderated posts, you can track them here! Your Name Getting started & Getting help Registering for Packback You will have received an invitation in your school email inbox. ● Follow the instructions in the email to checkout and finish registration. ● Be sure to create an account with the same email where you were sent the invitation! Don’t see it? Check spam!
  • 17. Didn’t get an email? ● Sign up directly on Packback ● Click “Join Community” button ● Enter the “Community Look- Up Key” from our course syllabus ○ You only need this key if you didn’t get the invite. Need Help? Email [email protected] Packback’s support team is available 7 days a week, and will help you will all technical issues. Do NOT email me with Packback issues; their team will be able to help faster! BIOL2610 2021 Experiment Report Due Date: 5 p.m. Friday 21 May (mark before final exam) Alternative Due Date: 5 p.m. Friday 28 May (no guarantee of mark before final exam) Summary
  • 18. For this assignment, you will need to design, run, and report on an experiment. A list of example questions is given below. You can choose to investigate one of these questions, or you can address another question of interest to you after receiving prior approval from me. You first need to develop a biological hypothesis that addresses your chosen question. You then need to develop a statistical null hypothesis and identify an appropriate statistical test to evaluate it. Next, you need to design an experiment that will yield data suitable for addressing your chosen biological and statistical hypotheses. Remember to carefully consider principles of experimental design such as replication, independence, and randomisation. You’ll then run your experiment and analyse your data. Finally, you will need to interpret the results of your statistical analyses in light of your biological and statistical hypotheses. The report you submit should be in the form of a journal article. You will also be required to submit your experimental data and accompanying metadata in archival format, print outs of your R output from the console, and a commented R script containing all of functions you used to generate the output. You are required to do your analyses in R. Learning Objectives This assignment is designed to help you meet some of the major learning objectives of this unit. In particular, through this assignment, you will go through all of the steps involved in designing and implementing a biological experiment: 1. Develop testable hypotheses based on general scientific questions.
  • 19. 2. Design an unconfounded experiment to test scientific hypotheses. 3. Choose an appropriate statistical test to analyse experimental data. 4. Carry out statistical tests using the computer package RStudio. 5. Correctly interpret results from statistical tests. 6. Clearly present the findings of the experiment and statistical analyses using figures, tables, and text. Questions Here is a list of biological questions you could investigate for your experiment: 1. What colour flowers do pollinators prefer? 2. Do snow pea sprouts grow faster with increases in light, water, or nutrients? 1 3. Are germination rates of plants affected by the addition of salinity, coffee grounds and/or worm tea to soil? 4. Does body temperature affect the activity (e.g. running speed, time to leave a circle, time to first movement) of invertebrates (e.g. crickets, worms, ants,
  • 20. mealworms)? 5. Do different food types differ in their attractiveness to ants ? 6. Are slugs more attracted to fresh or rotting vegetables, and do they show preference for particular vegetables? 7. How are hatching times/growth rates of brine shrimp (sea monkeys) influenced by environmental conditions (e.g. food availability, temperature, salinity, pH)? 8. Is formation of bread mould affected by factors such as bread type (e.g. white versus wheat), moisture level, or packaging (e.g. uncovered, plastic-bagged)? If you would like to explore a different question, then discuss it with me. It should be OK, but I need to ensure first that it will allow you to meet the learning objectives. Also, please be aware that you are unable to due anything involving outdoor FIELDWORK (except in your yard at home) because doing fieldwork for anything, including a class assignment, requires extensive paperwork! With all of the experiments, I strongly suggest having a trial to get your methods right before starting the main experiment! Here is some advice for setting up particular experiments: (1) Flowers and pollinators One possibility would be to make some mock-ups of flowers (e.g. coloured paper on paddle pop sticks) in different colours. To increase the attractiveness to pollinators, you could place a dab of honey at the centre
  • 21. of each flower. Some variants on this question would be to investigate factors attracting or repelling different types of insects. For example, are ants equally attracted to sugar and artificial sweeteners? (2) – (3) Plant growth and germination Plant seeds can be bought in packets at garden shops and Bunnings (and can be eaten at the end of the experiment!) You’ll also need seed trays and seed raising mix. There are a lot of possible variants on this question! Previously students have investigated questions such as: whether different types of fertiliser are more effective than others; whether watering plants with chlorinated water from the swimming pool is detrimental; whether adding sugar to soil is detrimental to plant growth; and whether fertilisation changes stomatal density on leaves. (4) – (6) Activity of invertebrates You could use a temperature manipulation (i.e. putting bugs in a fridge until they reach an internal thermal equilibrium, after about 20 mins or so. . . ) and compare aspects of their subsequent behaviour. For example, you could compare activity rates of bugs kept at room temperature with those subject to various periods of experimental cooling. Or, you could investigate rates of recovery from cold treatment among different sizes of invertebrate. For slugs or ants, you could put out food baits and count the number of organisms observed after leaving the bait out for a fixed period of time. (7) Growth of sea monkeys Brine shrimp are readily available at toy stores, and hatch
  • 22. within a few hours to a few days. You could investigate how hatching times vary depending on the temperature of the water. You could also rear sea 2 monkeys at different densities and/or with different amounts of food to assess how competition and/or overall food availability influence growth rates. (8) Bread mould You could investigate effects of conditions such as light, temperature or moisture by placing slices of bread in clear or opaque bags, in locations with different temperatures (the fridge is an extreme example – you could also try direct sunlight vs indirect sunlight to raise temperature). You might want to compare different types of bread; or you could compare bread with toast; or you could investigate effects of different preservatives such as salt or cinamon. Some hints: You want to ensure before starting the experiment that mould spores are present. Watch out for breads with loads of preservatives: we’ve had some experiments fail because no mould grew at all. To quantify mould growth, you could place a bread-shaped grid over the slice of bread and count the number of grid squares containing mould. Please use rubber gloves and a mask when doing this - be careful not to breathe in the spores! Requirements for your Experiment Report You will be required to submit a report in the form of a manuscript (max 2500 words), along with your data
  • 23. and metadata in archival form, and your R output and commented script. Your experiment report should be submitted to Turnitin. I will provide a rubric to help you when writing your report. The report needs to have the following sections: Title The title should be informative, but not verbose. Abstract The abstract should be a concise summary of your experiment, including hypothesis, design, results and interpretation. Introduction The introduction needs to introduce your biological hypothesis. You’ll need to think a bit about the biology involved and come up with a prediction that you wish to test. I would like you to briefly discuss the biology and explain how you came up with your hypothesis. However, I am not expecting you to provide a review of other literature on the subject: this would typically form part of the Introduction to a scientific manuscript, but can be omitted for this unit. Materials and Methods You need to provide a lot of detail in this section about exactly how you set up and ran your experiment. Pay particular attention to discussing how many replicates you used, how you ensured independence among your replicates, and how you randomised your sampling. Each of the above experiments would be quite easy
  • 24. to pseudo-replicate, so please make sure you give careful thought to avoiding this error! Also clearly state how you made your measurements and discuss what steps you took to make them as precise as possible. 3 Results Present your results as clearly as you can. Use no more than 7 figures and no more than 3 tables. Use correct statistical language. Ensure that your figures meet the ‘good graph’ criteria (see Lecture 3). Make sure that figures and tables have captions. Use appropriate statistical tests and give confidence intervals for effect sizes where possible. Additionally, you should present results of an a priori or post hoc power analysis. Discussion In the discussion, interpret your results in terms of your original question. Typically, the Discussion section that puts results in the context of what is already known about the subject and refers to other literature – you do not need to do this for this report unless you want to. The discussion is also the place to mention any problems that you faced with your experiment and suggest how you would improve your experiment if you were to do it over again. Acknowledgements If you had help with your experiment, acknowledge this help in this section.
  • 25. References Only necessary if you have referred to books or articles in your text. For this assessment, I am not expecting you to review the literature: the focus is on your experiment. Supplementary Material Provide printouts of the RStudio output that you report on, along with a commented R script that contains all of the commands used to conduct your analyses. Evaluation of the assumptions underlying the test you used should be presented in this section. Dataset and Metadata Provide your data set as a .csv file, containing the data, and a .txt file, containing the metadata. The .csv file can be produced in Excel (Save As -> Save As Type -> Comma Delimited). This file type can be read by any program, not just Excel. Your .csv file should contain your data in carefully labelled columns and will look a bit like this: name,gender,foot,hand Kate,F,27.5,17.1 Elisse,M,26.9,17.5 Alex,F,26.7,18.7 ... The .txt file can be produced in Word (Save As -> Save As Type -> Plain Text Format). Your metadata needs to contain (at least) the following information (see Lecture 3):
  • 26. • Name and contact details of person responsible • Geographic information about where data were collected • Description of methods used • Types of experimental units 4 • An explanation of each variable, including any abbreviations used for variable names • Units of measurement for each variable • Value used to indicate missing data (only if missing values are present) 5 Due Date: 5 p.m. Friday 21 May (mark before final exam)Alternative Due Date: 5 p.m. Friday 28 May (no guarantee of mark before final exam)SummaryLearning ObjectivesQuestions(1) Flowers and pollinators(2) – (3) Plant growth and germination(4) – (6) Activity of invertebrates(7) Growth of sea monkeys(8) Bread mouldRequirements for your Experiment ReportTitleAbstractIntroductionMaterials and MethodsResultsDiscussionAcknowledgementsReferencesSupple mentary MaterialDataset and Metadata