# True Experimental Design

Instructions:

question 1 of 3

### Dr. Patel does an experiment in which she shows people either a happy movie, a sad movie, or no movie in a classroom. Then, she asks them to fill out a survey assessing their feelings about whether they want to adopt a pet from the animal shelter. In this experiment, what is the INDEPENDENT variable?

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### 2. Dr. Patel does an experiment in which she shows people either a happy movie, a sad movie, or no movie in a classroom. Then, she asks them to fill out a survey assessing their feelings about whether they want to adopt a pet from the animal shelter. In this experiment, what was the control group?

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This quiz and worksheet combo will help you quickly assess examples of components of true experimental design. The questions will ask you to identify the various characteristics of a given scenario.

## Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

• Independent variable example
• Dependent variable example
• Control group example
• Population example
• Sample example

## Skills Practiced

This quiz and worksheet allow students to test the following skills:

• Reading comprehension- ensure that you draw the most important information from the related experimental design lesson
• Knowledge application- use your knowledge to answer questions about how to identify the independent variable in an example
• Problem solving- use acquired knowledge to solve population and sample practice problems

You should also review the accompanying lesson on Characteristics of True Experimental Design. This lesson covers the following objectives:

• Identify the difference between an independent and dependent variable
• Learn about how an experimental group is given the experiment and the control group is given the placebo effect
• Recall what random assignment is and how people have an equal chance of being in either the experimental or control group
• Review different types of samples such as convenience, clustered, random and stratified random sample
Final Exam
Chapter Exam

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