Multiple Choice
An instructor gives weekly tests to one class and just one midterm exam to another class. Both classes get the same final exam. The instructor compares performances on the final exam to see whether the weekly tests affected students' performance. What is the independent variable in this experiment?
A) the number of tests before the final
B) the students' performance on the final exam
C) the difficulty of each test
D) the number of students in each class
Correct Answer:
Verified
Correct Answer:
Verified
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