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:

Ethnic

Relating to a population subgroup with a common national or cultural tradition.

Racial

Relating to race or the classification of humans into groups based on physical traits, ancestry, genetics, or social relations.

Cultural

Relating to the ideas, customs, and social behavior of a society or community.

Treatment

The intervention or set of interventions designed to address a disease, condition, or disorder.