Multiple Choice
During the first treatment condition of a within-subjects experiment, the participants learn a new skill that helps improve their performance in later treatment conditions. For this study, the internal validity is threatened by ____.
A) history effects
B) instrumentation
C) order effects
D) regression toward the mean
Correct Answer:
Verified
Correct Answer:
Verified
Q6: When one treatment condition has a lasting
Q7: Outline the major advantages and disadvantages of
Q8: For an experiment comparing two treatment conditions,
Q9: A matched-subjects design attempts to eliminate the
Q10: The most appropriate hypothesis test for a
Q12: Under what circumstances is a within-subjects design
Q13: Describe the process of counterbalancing and explain
Q14: Explain what partial counterbalancing is and when
Q15: For an experiment that compares two treatment
Q16: Order effects can become a confounding variable