Independent_and_Dependent_Variables.ppt
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The document defines independent and dependent variables. The independent variable is what the experimenter controls or changes, while the dependent variable depends on or responds to changes in the independent variable. For example, in an experiment measuring plant growth under different sunlight conditions, the amount of daily sunlight would be the independent variable controlled by the experimenter, while the plant growth rate would be the dependent variable responding to changes in sunlight.
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The document discusses key concepts in scientific thinking and experimentation including observation, measurement, variables, the scientific method, and experimental design. It defines types of variables such as independent, dependent, and control variables. It provides an example of a controlled experiment with pea plants to test the hypothesis that increased sunlight exposure leads to taller plant growth, with sunlight as the independent variable, plant height as the dependent variable, and other factors controlled.
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Sahand wants to see how the amount of light affects plant growth. His hypothesis is that plants receiving more sunlight per day will grow faster. He will measure the light each plant receives daily and the height of each plant. Sahand will use multiple plants, giving some more light and some less, recording their growth daily while keeping other variables like plant type, light type, temperature constant. The independent variable is the amount of light per day, and the dependent variable is the height of the plant.
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help with RR Hypothesis Experiment What is your independent variable (.pdf
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the
one in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the
one in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which dat.
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Recommended
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help with RR Hypothesis Experiment What is your independent variable (.pdf
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the
one in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the
one in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you
measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
help with RR Hypothesis Experiment
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your independent variable (what will you
study/manipulate)?
Independent variable
:
What is your dependent variable (which data will you measure)?
Dependent variable
:
Timeline
Your experiment will need to follow a similar timeline to the one
in this graphic.
After a 5-minute rest period, you will alternate between:
o
1 minute of a control condition
o
1 minute of a stimulus condition
What is your dependent variable (which dat.
Variables in a science experiment
This is a PowerPoint Prototype of a Unit on Variables. It was designed for 5th grade students to learn about the different variables used in science experiments. The work was done as part of my coursework as I pursue a doctorate in Educational Technology.
Scientificmethod 120724142851-phpapp01
This document provides an overview of experimental and descriptive research design. It discusses key aspects of experimental design including identifying independent and dependent variables, developing hypotheses stated in if-then format, conducting controlled experiments with a treatment group and control group, collecting quantitative data, and analyzing results to determine if the hypothesis is supported or rejected. Descriptive design is based on observations without manipulating variables. The document emphasizes developing questions from observations and emphasizes the importance of precise measurements, sample size, repeated trials, and using tables and graphs to organize and analyze data.
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This document defines key terms used in scientific experiments: variables, independent variables, dependent variables, and controlled variables. It explains that an independent variable is what a scientist changes in an experiment, a dependent variable is what they observe change as a result, and controlled variables are kept the same. Several examples are provided to illustrate how these variable types would be identified in hypothetical experiments testing a new drug, types of hydration, and the effects of chewing gum on exam scores. The goal is to help readers understand the different variable roles and how to design fair experiments to test hypotheses.
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The document discusses the key variables in a fair experiment: the independent variable that is changed, the dependent variable that is measured as a result, and the control variables that are kept the same. Specifically:
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- The dependent variable is what is measured as a result of changing the independent variable, such as the growth of the plants.
- Control variables are kept the same between trials, like the amount of sunlight, type of pot, and potting mix used for the plants.
Scientific Method
This document provides an overview of experimental and descriptive research design. It discusses key aspects of experimental design including identifying independent and dependent variables, developing hypotheses stated as if-then statements, conducting controlled experiments with treatment and control groups, collecting quantitative data, and analyzing results to determine if they support or reject the original hypothesis. Descriptive design is based on observations without manipulation of variables. The document emphasizes developing questions from careful observations and inferences.
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Science can be defined as the observation and experimentation used to study and better understand the natural world. This includes both pure science, which is research for its own sake, and applied science, which applies scientific discoveries to technology and improve life. A valid experiment must have one independent variable being tested, a dependent variable being measured, and all other variables kept as constants to isolate the effect of the independent variable. Most science done today falls into applied science as it aims to use scientific knowledge to solve problems and develop new technologies.
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2. It defines a hypothesis as an "educated guess" about the relationship between an independent and dependent variable, usually written as an "if/then" statement.
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3) Control variables that could also influence the responding variable and must be kept constant. Proper experiments only vary one factor at a time to determine causation.
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This document provides guidance on developing a hypothesis and identifying variables for a science fair project. It defines key terms like the problem statement, hypothesis, independent variable, dependent variable, and controlled variables. An example is provided to illustrate a well-written hypothesis for a project that tests how sunlight exposure affects strawberry plant berry production. Guidance emphasizes writing hypotheses in the third person without pronouns and identifying all controlled variables that remain constant between trial groups.
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The document discusses the key variables in a fair experiment: the independent variable that is changed, the dependent variable that is measured as a result, and the control variables that are kept the same. Specifically:
- The independent variable is what is deliberately changed, such as the amount of water given to plants.
- The dependent variable is what is measured as a result of changing the independent variable, such as the growth of the plants.
- Control variables are kept the same between trials, like the amount of sunlight, type of pot, and potting mix used for the plants.
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This document provides an overview of experimental and descriptive research design. It discusses key aspects of experimental design including identifying independent and dependent variables, developing hypotheses stated as if-then statements, conducting controlled experiments with treatment and control groups, collecting quantitative data, and analyzing results to determine if they support or reject the original hypothesis. Descriptive design is based on observations without manipulation of variables. The document emphasizes developing questions from careful observations and inferences.
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True experimental studies aim to establish cause and effect through the manipulation of an independent variable. They require a control group, experimental group(s), random assignment, and a researcher-manipulated variable. The control group receives no treatment while the experimental group receives the treatment. Outcomes are then compared between groups. There are three main true experimental designs: post-test only, pre-test post-test, and Solomon four-group, which combines elements of the first two designs to reduce errors. An example true experiment tests whether Drug X reduces anxiety levels through random assignment of participants to control and experimental groups receiving different doses or a placebo.
Trueexperimentalstudydesign 170829113451
True experimental studies aim to establish cause and effect through the manipulation of an independent variable. They require a control group, experimental group(s), random assignment, and a researcher-manipulated variable. The control group receives no treatment, while the experimental group receives the treatment whose effect is being tested. Participants must be randomly assigned to control for other factors. There are several true experimental designs, including post-test only, pre-test post-test, and Solomon four-group, which differ in whether and how groups are pre-tested before experimental manipulation and measurement of outcomes.
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Science can be defined as the observation and experimentation used to study and better understand the natural world. This includes both pure science, which is research for its own sake, and applied science, which applies scientific discoveries to technology and improve life. A valid experiment must have one independent variable being tested, a dependent variable being measured, and all other variables kept as constants to isolate the effect of the independent variable. Most science done today falls into applied science as it aims to use scientific knowledge to solve problems and develop new technologies.
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The document discusses the importance of the theoretical background section of a research paper. It explains that the theoretical background sets the foundation for a study by providing context about existing theories and knowledge in the field. It should include the components of a theoretical framework, which are the theories being used, a review of related literature, and studies related to those theories. The document provides guidance on how to identify and explain relevant theories, review related literature, and discuss related studies to support a theoretical framework.
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This document discusses qualitative research, including its characteristics, strengths, and weaknesses. Some key points:
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- Characteristics include being naturalistic, purposeful in participant selection, detailed in data collection, requiring researcher engagement and neutrality, following an inductive process, and taking a holistic perspective.
- Strengths are that it can provide complementary details to quantitative data, explain complex issues, and be more cost efficient due to smaller sample sizes. Weaknesses include inability to generalize findings and research being difficult to analyze and time consuming.
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This document provides an overview of the key components that should be included in Chapter 1 of a thesis. Chapter 1 typically includes an introduction, background and setting, identification of the problem, purpose statement, research questions or objectives, assumptions, limitations, definition of terms, and significance of the study. Each section is described in detail to guide the writer in developing this important introductory chapter.
Application Software in Computer and Services.pptx
This document discusses different types of application software. It begins by defining application software as software designed to perform specific tasks rather than operating system tasks. There are three main types of application software: desktop apps which run on computers and laptops, web apps which are accessed over a network, and mobile apps which run on smartphones and tablets.
Some examples of desktop apps include word processors, web browsers, games, media players, and gadgets. Word processors allow document creation, web browsers access the internet, games provide entertainment, media players handle audio and video, and gadgets offer small tools. Web apps can be accessed in a browser and include online email, Google Docs, and Facebook. Mobile apps run on mobile devices and
QUALITATIVE-RESEARCH kinds, characteristics, strength .pptx
This document provides information about qualitative research, including:
1. It defines qualitative research and lists some common types like phenomenology, ethnography, grounded theory, case study, content/discourse analysis, and historical analysis.
2. It describes some key characteristics and uses of qualitative research, such as taking place in natural settings, focusing on participants' perspectives, and collecting data through interviews and documents.
3. It discusses the importance of qualitative research across different fields like education, technical communication, psychology, advertising, social work, marketing, and international business. Qualitative research helps understand experiences, communication, consumer preferences, and improve practices.
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