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Engagement Exercise: How to Define Variables

Practice Exercise: How to Define Variables

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Question 1 of 8

Select the "best" definition of a variable below. A variable is...

A

anything that can be measured or categorized and has at least 1 value

B

something that is being measured or predicted

C

something that influences or explains something else

D

anything that can be measured/categorized and has at least two values

Question 2 of 8

Select the "best" definition of an independent variable. An independent variable is...

A

a variable that is being measured or predicted.

B

output

C

response variable

D

a variable that influences or explains another variable

Question 3 of 8

Select the "best" definition of an dependent variable. A dependent variable is...

A

an outcome variable

B

a response variable

C

Any variable that is being influenced by another variable

D

All of these options

Question 4 of 8

In the following research question, please identify the independent and dependent variable. "Is there a gender difference in heart rate recovery time?"

A

Heart rate recovery time = independent variable; gender = dependent variable

B

gender = independent; heart rate recovery time = dependent

C

I don't know

Question 5 of 8

In the following research question, please identify the independent and dependent variables. "Does ethnicity and income have an effect on marital satisfaction?"

A

ethnicity = independent variable; income = dependent variable; marital satisfaction = independent variable

B

ethnicity = dependent variable; income = independent variable; marital satisfaction = independent variable

C

ethnicity = independent variable; income = independent variable; marital satisfaction = dependent variable

D

I don't know

Question 6 of 8

In the following research question, please identify the independent and dependent variables. "Are there significant changes in blood pressure scores on the pretest, post-test, and 3 month follow-up?"

A

blood pressure = independent variable; time = dependent variable

B

blood pressure = dependent variable; time = independent variable

C

pretest, post-test, 3 month follow-up = dependent variable; blood pressure = independent variable

D

None of the above

Question 7 of 8

In the following research question, please identify the independent and dependent variables. "Do gender and classroom size effect scores on a fear of statistics scale?"

A

gender = independent variable; class size = independent variable; fear of stats = dependent

B

gender = dependent variable; class size = independent variable; fear of stats = independent

C

gender = dependent variable; class size = dependent variable; fear of stats = independent

D

I don't know

Question 8 of 8

In the following research question, please identify the independent and dependent variables. "Is there an association between participation in a rehabilitation program and 2nd arrest for first time criminals?"

A

program participation = dependent variable; 2nd arrest = independent variable

B

program participation = independent variable; 2nd arrest = dependent variable

C

I don't know

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