For an experiment comparing two treatment conditions, there will be ____ score(s) for each participant if a within-subjects design is used and there will be ____ score(s) for each participant if a between-subjects design is used.
A) one; one
B) one; two
C) two; one
D) two; two

Question

Quizplus · Accepted Answer

In a within-subjects design, each participant experiences all treatment conditions, resulting in two scores per participant (one for each condition). In a between-subjects design, participants are divided into groups, with each group experiencing only one treatment condition, leading to one score per participant.

For an Experiment Comparing Two Treatment Conditions, There Will Be