Multiple Choice
A major disadvantage of between subjects designs is that
A) the effects of one treatment may alter the effectiveness of the other
B) subject differences may obscure treatment effects
C) one must use fewer independent variables
D) one can use only one dependent variable
Correct Answer:

Verified
Correct Answer:
Verified
Q36: Twenty participants are studied in a simple
Q37: Counterbalanced designs permit you to assess both
Q38: Matching on pretest scores can<br>A) improve power<br>B)
Q39: Using a within-subjects design,<br>A) eliminates the effects
Q40: When subjects perform double duty in both
Q42: Participants serve as their own controls in
Q43: If you are interested in order effects,
Q44: A major disadvantage of within-subjects designs is
Q45: The matched pairs design establishes internal validity
Q46: Properly executed, the matched pairs design should