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PSYCH 610 Entire Course
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PSYCH 610 Week 1 Individual Assignment Research Studies
Questionnaire
PSYCH 610 Week 2 Individual Assignment Week Two Homework
Exercise
PSYCH 610 Week 2 Learning Team Assignment Analysis of Ethical
Dilemma
PSYCH 610 Week 3 Individual Assignment Week Three Homework
Exercise
PSYCH 610 Week 3 Learning Team Assignment Qualitative vs.
Quantitative Research
PSYCH 610 Week 4 Individual Assignment Week Four Homework
Exercise
PSYCH 610 Week 4 Learning Team Assignment Survey Questions
PSYCH 610 Week 4 Individual Assignment Critical Analysis of
Research Article
PSYCH 610 Week 5 Individual Assignment Week Five Homework
Exercise

PSYCH 610 Week 5 Individual Assignment Outline of Research
Proposal
PSYCH 610 Week 5 Learning Team Assignment The Hawthorne
Effect
PSYCH 610 Week 6 Individual Assignment Week Six Homework
Exercise
PSYCH 610 Week 6 Learning Team Assignment Developmental
Research
PSYCH 610 Week 7 Individual Assignment Week Seven Homework
Exercise
PSYCH 610 Week 7 Learning Team Assignment Correlation
PSYCH 610 Week 8 Individual Assignment Research Proposal
PSYCH 610 Week 8 Individual Assignment Week Eight Homework
Exercise
PSYCH 610 Week 8 Learning Team Assignment Course Summary
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PSYCH 610 Week 1 Individual Assignment
Research Studies Questionnaire

Search for research articles from peer-reviewed publications in the
University Library. Examples of peer-reviewed publications are listed
in Table 2.1 in Chapter 2 of Methods in Behavioral Research.
Select four research articles to review. Include at least one applied
research article and one basic research article. Be sure to apply the
scientific method to evaluate the evidence presented in the selected
articles. Use these articles as a framework for completing the
questionnaire.
Write a 100- to 500-word answer to each of the following questions:
PART I:
What is the purpose of each of the sections in a typical research
article?
What are the steps to critically evaluate research articles and how
does the scientific method help you do this?
PART II: What is the importance of research in behavioral sciences?
What is the relationship between applied research and basic research?
Provide an example, from your selected studies, of how each
contributes to the body of knowledge.
What ethical issues can you identify in the selected articles? How
were the issues addressed or neglected?
PART III:
Identify three possible research topics that you might want to explore
further as you go through this course.
List appropriate sources, including databases that you might use when
exploring these topics.

Paper should be written in an essay format using APA style with
complete sentences. Be sure to distinguish sections and parts with
clearly labeled headings. Each question will only require one or two
sentences.
Cite the articles using a reference page.
Format your answers consistent with APA guidelines.
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Week Two Homework Exercise
Answer the following questions covering material from Ch. 1–5 of
Methods in Behavioral Research:
1. A researcher is interested in studying the effects of different levels
of distraction—none, low, and high—on scores on a test of visual
memory. Participants are randomly assigned to one of three
conditions: no distraction, low distraction, or high distraction. All
participants engage in a test of visual memory. What is the
independent variable? What is the dependent variable? What is the
purpose of random assignment to groups? What is the purpose of
random assignment to groups?

2. Define theory and explain its function. How does theory relate to
the practice of psychology?
3. Define hypothesis and provide an example.
4. Describe the content that should appear in a well-written informed
consent form for a research study. Why is it important to obtain
informed consent? What are the three principles outlined by the
Belmont Report? What additional concerns do you have (if any) when
obtaining consent from a minor?
5. What is the function of an institutional review board?
6. What is an operational definition of a variable? How might the
variable sense of humor be defined operationally? (2 points)
7. Complete Table 4.1 on p. 72 of the text. For each of the eight
examples listed, determine whether a positive, negative, or curvilinear
relationship exists.
8. Define reliability as it relates to measurement of behavior.
9. Define and describe scales of measurement.
10. What is the difference between construct validity, internal
validity, and external validity?
11. What is the difference between correlation and causation? How
are third variables controlled for?
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PSYCH 610 Week 2 Learning Team
Assignment Analysis of Ethical Dilemma

Read the following scenario:
A well-known researcher at a major university has two graduate
student assistants. He conducts three studies in his laboratory, all of
which involve very labor-intensive procedures. The graduate research
assistants complete all of the data collection. They also assist in
writing the Discussion section of the final article, adding their
thoughts and suggestions to the various drafts. The article is accepted
into a leading journal for publication. The primary researcher lists
only himself as author of the article, claiming that he wrote at least
75% of the final paper.
Write a 300- to 500-word discussion of the following:
Describe the ethical consideration(s) with the scenario.
Has the primary researcher committed an ethical violation? Use the
appropriate section of the APA Ethical Principles of Psychologists to
justify your response.
Format consistent with APA guidelines.
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Week Three Homework Exercise

Answer the following questions covering material from Ch. 6 & 7 of
1. What is reactivity? Explain how reactivity impacts measurement.
2. What are the key features of an experimental design, or ‘true
experiment’? How does this compare to case studies?
3. What is survey research and when is it most useful?
4. What issues should be considered when constructing surveys?
What are the implications of double-barreled, loaded, and negative
questions?
5. What are some survey administration methods? When are each of
these methods most appropriate?
6. Define interview bias and provide an example.
7. What is the difference between probability and non-probability
sampling techniques?
8. A researcher attends an art reception in a major metropolitan city.
She decides to approach people over the age of 50 and ask them to fill
out a brief survey about purchasing artwork. Is this a probability or a
non-probability sampling technique? What type of sampling
procedure is this—simple random, stratified random, cluster,
haphazard, purposive, or quota?

9. What is the relationship between sample size and survey results?
What are some techniques to evaluate potential sampling bias?
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Assignment Qualitative vs. Quantitative
Research
Complete the Qualitative vs. Quantitative Research assignment found
on your student website
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Critical Analysis of Research Article

Select a research article of interest to you, preferably related to your
Research Proposal, and use the Research Evaluation Worksheet found
on the student website to analyze the article. You can use this
information to help you form the literature review section of your
research proposal.
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Week Four Homework Exercise
Answer the following questions, covering material from Ch 8–10 of
1. What is a confounding variable and why do researchers try to
eliminate confounding variables? Provide two examples of
confounding variables.

2. What are the advantages and disadvantages of posttest only design
and pretest-posttest design 3. What is meant by sensitivity of a
dependent variable? 4. What are the differences between an
independent groups design and a repeated measures design? 5. How
does an experimenter’s expectations and participant expectations
affect outcomes? 6. Provide an example of a factorial design. What
are the key features of a factorial design? What are the advantages of
a factorial design? 7. Describe at least four different dependent
variables. 8. What are some ways researchers can manipulate
independent variables? 9. What is the difference between main effects
and interactions?
How do moderator variables impact results? Provide an example. 10.
A researcher is interested in studying the effects of story endings on
preference ratings. He randomly assigns participants into two groups:
predictable ending or surprise ending. He instructs them to read the
story and provide preference ratings. The experimenter’s variation of
story endings is a __Straightforward____ (straightforward or staged)
manipulation. 11. A researcher was interested in investigating the
vocabulary skills of 6th graders in a program for gifted students. She
gave a group of participants a test of vocabulary that was aimed at the
7th-grade level. She quickly discovered that there was limited
variability in the scores because nearly all the students answered 90%
or more of the questions correctly. This outcome is called a
_Ceiling___ effect
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Assignment Survey Questions

As a team, locate at least two surveys (you can use any survey that
you find on the internet). Try to find one that is relatively brief- 10
questions or less. Analyze the questions in the survey. Construct a
table, such as that presented on page 127 of Methods in Behavioral
Research (2009). Evaluate each survey question on the following
points:
negative wording
complexity (note: good questions are simple and straightforward)
double-barreled
loaded
grammatically incorrect
In your Team, discuss the importance of writing good survey
questions. How can poorly-written questions bias results? Submit
both the table that you constructed as well as a copy of the survey you
analyzed to your instructor
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Outline of Research Proposal

Prepare a 2-pageoutline of your Research Proposal. The outline
should provide an overview of the main elements of your proposal. It
should include:
An introduction
A brief statement of purpose
The rationale for conducting the study
Your hypotheses and research questions
Methods (participants, procedures, materials, instruments), and
appropriate statistical test(s) for data analysis
List of at least three relevant articles for the proposal
The purpose of this outline is to obtain feedback from your instructor
on your progress and on the feasibility of your topic and design.
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PSYCH 610 Week 5 IndividualAssignmentWeek
Five Homework Exercise

1. What are single-case designs and when are they most useful?
2. How may a researcher enhance the generalizability of the results of
a single case design?
3. What is the relationship between quasi-experiments and
confounding variables? Provide an example
4. Provide examples of: one-group posttest designs and one-group
pretest and posttest designs. What are the limitations of each?
5. Provide examples of non-equivalent control group designs. What
are the advantages of having a control group?
6. What is a quasi-experimental research design? Why would a
researcher use a quasi-experimental design rather than a true
experimental design?
7. What is the difference between a cross-sectional and a longitudinal
study? What is a sequential study? Which of these designs is most
vulnerable to cohort effects? Which design is most vulnerable to the
effects of attrition?
8. What are the differences between: needs assessment, program
assessment, process evaluation, outcome evaluation, and efficacy
assessment? Why is program evaluation important to the field?
9. A researcher wants to investigate patriotic behavior across the
lifespan. She samples people in the following age groups: 18–28, 29–
39, 40–50, 51–60, and 61 and above. All participants are interviewed
and asked to complete questionnaires and rating scales about patriotic
behavior. This type of developmental research design is called

__Cross-Sectional______________. What is the primary
disadvantage of this type of design? Explain.
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PSYCH 610 Week 5 Learning Team Assignment
The Hawthorne Effect
Complete the Hawthorne Effect assignment found on your student
website.
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Week Six Homework Exercise

Answer the following questions, covering material from Ch. 12 of
1. Define the following terms:
2. How are group means, percentages, and correlations used to
describe research results?
3. How can graphs be used to describe and summarize data?
4. A researcher is studying reading rates in milliseconds per syllable.
What scale of measurement—nominal, ordinal, interval, or ratio—is
time in milliseconds? Explain your response.
5. Under what circumstances is the median or mode a better measure
of central tendency than the mean? Explain your response.
6. True or false: The standard deviation and the range are sensitive to
outliers. Explain your response.
7. True or false: The standard deviation can never be 0. Explain your
response.
8. A researcher is investigating the effects of anxiety on creativity.
Individuals with varying levels of anxiety are asked to complete a
measure of creativity. The results show a classic U-shaped
distribution; that is, individuals with moderate levels of anxiety score
the highest on tests of creativity. Individuals with very low or very
high levels of anxiety score much lower on tests of creativity. What
would be a good statistic to use in this case? Explain your response.
9. What are some applications of multiple regression models
(equations / techniques)? Provide an example.
10. Explain how and why multiple correlations are used as prediction
variables?
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PSYCH 610 Week 6 Learning Team Assignment
Developmental Research

Complete the Developmental Research assignment found on your
student website. Complete the table using complete sentences for your
answers.
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Week Seven Homework Exercise
Answer the following questions, covering material from Ch. 13 of
1. Define inferential statistics and how researchers use inferential
statistics to draw conclusions from sample data.
2. Define probability and discuss how it relates to the concept of
statistical significance.
3. A researcher is studying the effects of yoga on depression.
Participants are randomly assigned to one of two groups: yoga and
medication (experimental group); or support group and medication
(control group). What is the null hypothesis? What is the research
hypothesis?
4. In the scenario described in the previous question, the researcher
implements two programs simultaneously: a 6-week yoga program
coupled with medication management and a 6-week support group
program coupled with medication management. At the end of the 6

weeks, participants complete a questionnaire measuring depression.
The researcher compares the mean score of the experimental group
with the mean score of the control group. What statistical test would
be most appropriate for this purpose and why? What is the role of
probability in this statistical test?
5. In the scenario described in the previous questions, the researcher
predicted that participants in the experimental group—yoga plus
medication—would score significantly lower on measures of
depression than would participants in the control group—support
group plus medication. True or false: A two-tailed test of significance
is most appropriate in this case. Explain your response.
6. Explain the relationship between the alpha level (or significance
level) and Type I error. What is a Type II error? How are Type I and
Type II errors different?
7. A researcher is studying the effects of sex—male and female—and
dietary sugar on energy level. Male and female participants agree to
follow either a high sugar or low sugar diet for eight weeks. The
researcher asks the participants to complete a number of
questionnaires, including one assessing energy level, before and after
the program. The researcher is interested in determining whether a
high or low sugar diet affects reported energy levels differently for
men and women. At the end of the program, the researcher examines
scores on the energy level scale for the following groups: Men – low
sugar diet; Men – high sugar diet; Women – low sugar diet; Women –
high sugar diet. What statistic could the researcher use to assess the
data? What criteria did you use to determine the appropriate statistical
test?
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Assignment Correlation

Complete the Correlation assignment found on your student website.
You will need to plot the data given and answer the questions.
Research Proposal
Submit the Research Proposal.
Include all parts given in the instructions found on your student
website
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Week Eight Homework Exercise

Answer the following questions covering material from Ch. 14 of
1. What is replication, and what role does it play in increasing the
external validity or generalizability of a study? In what way is the
IRB involved in using participants in a research study?
2. What are the advantages and disadvantages of using college
students as participants in research studies?
3. What potential problems can arise from generalization of results to
different cultures or ethnic groups?
4. What is meta-analysis, and how is it useful to practitioners and
scholars?
5. True or false: In many cases, meta analyses involves calculating an
average effect size for a relationship between variables.
6. True or false: Many constructs, such as physical attractiveness and
self-esteem, appear constant across cultures; thus, external validity is
less of a concern when conducting research on such constructs.
Provide a brief explanation of your answer.
7. Summarize the main points of the course, emphasizing the
importance of research to the psychology profession.
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Assignment Course Summary
As a team, complete a summary of the main points of the course. In
about a paragraph each, summarize what you learned about the
following:

1. Research and the scientific method
2. Research ethics
3. Meaning of reliability and validity
4. Overview of basic research designs
Define descriptive and interferential statistics and give an example of
each
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