Multiple Choice
People do better on a task because of practice on that task. However, the researcher mistakes this practice effect for a treatment effect. The research's internal validity is poor due to
A) history
B) instrumentation
C) mortality
D) testing
Correct Answer:

Verified
Correct Answer:
Verified
Q4: The time-series design uses fewer participants than
Q5: Studying participants under highly controlled conditions is
Q6: In a highly controlled A-B design, which
Q7: According to the text, the reversal design
Q8: Which is NOT a prerequisite for inferring
Q10: The primary difference between time-series designs and
Q11: The major advantage of the time-series design
Q12: In a pretest-posttest design, regression is an
Q13: The quasi-experimental design is more versatile than
Q14: If the score in the treatment condition