A Researcher Studies the Relationship Between the Amount of Time

question 20

Multiple Choice

A researcher studies the relationship between the amount of time spent studying for an exam and the number of errors made.A sample of twenty students who have the same GPA are randomly assigned to one of four groups: 1,2,3,or 4 hours of study time.After studying the specified time,all students took an identical exam and the number of errors each student made was counted.
The dependent variable in the above study is:

• A)number of errors made
• B)GPA of the students
• C)number of hours studied
• D)number of students in each group

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Definitions:

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