(Scenario I) Suppose the Researchers Still Measured the Effect of All

Multiple Choice

(Scenario I) Suppose the researchers still measured the effect of all five treatments on pain tolerance, but each participant was measured under all of the treatment conditions. In making this adjustment the research design would change from a _____ design to a _____ design.

A) between-subjects; within-subjects
B) within-subjects; longitudinal
C) longitudinal; between-subjects
D) within-subjects; between-subjects