Multiple Choice
To test the effect of a new teaching procedure, a professor asks some of her students to volunteer to enter an experimental section of the course. The experimental section does better than the standard section. There is a strong possibility that this result may be due to ________ .
A) testing
B) regression
C) selection
D) mortality
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Matching on pretest scores makes the study
Q3: External validity is to internal validity as
Q4: Distinguish between testing and instrumentation.
Q5: Which is the most serious source of
Q6: In terms of internal validity, which of
Q8: Suppose that an investigator tested the treatment
Q9: The best way to rule out selection
Q10: Studying participants in a highly controlled lab
Q11: The fact that taking a pretest may
Q12: In a two-group study, in which participants