Question

a researcher recruits 80 students for a study. half of the students attend a review session for an exam. the remaining students study as they normally would for the exam. after the exam, the researcher compares the scores of the two groups.
a. what is the name of design, dependent and independent variable, experimental material, experimental unit, treatment, identify the control group.
b. how the scope and precision of the study can be improved.

Answer 1

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Explanation:

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