A researcher wants to examine the effect of room temperature on task performance.She places one group of participants in a room that is 54 degrees,a second group in a room that is 72 degrees,and a third in a room that is 90 degrees.She then measures the amount of time it takes each group to complete an identical task.This design would best represent a(n)_______ design.
A) independent groups
B) repeated measures
C) three-group pretest-posttest
D) pretest-posttest

Question

Quizplus · Accepted Answer

The participants are randomly assigned to one of three groups (54 degrees, 72 degrees, or 90 degrees). Each group completes the same task, but in a different temperature condition. This design is an example of an independent groups design.

A Researcher Wants to Examine the Effect of Room Temperature