Multiple Choice
Between the administration of a pretest and a posttest, an event may occur that can affect the results of the study independent of the treatment program being evaluated. This threat to internal validity is called
A) history
B) regression
C) testing
D) maturation
Correct Answer:

Verified
Correct Answer:
Verified
Q2: After averaging 20 points per game for
Q3: In any experiment, the dependent variable is<br>A)some
Q4: The major threat to internal validity that
Q5: Self-esteem would be considered a manipulated independent
Q6: In a study about self-esteem, self-esteem is<br>A)a
Q7: In a study assessing the effects of
Q8: External validity concerns the extent that research
Q9: In a study comparing productivity in two
Q10: Compared with research in which people learn
Q11: When B. F. Skinner was ranked as