In an experiment examining the effects of size of plate on amount of food eaten,one group of participants is measured after eating food on 12 inch plates.A week later,the same group of participants is measured after eating food on 10 inch plates.This is an example of a ____ design.
A)single-subjects
B)between-subjects
C)within-subjects
D)matched groups

Question

In an experiment examining the effects of size of plate on amount of food eaten,one group of participants is measured after eating food on 12 inch plates.A week later,the same group of participants is measured after eating food on 10 inch plates.This is an example of a ____ design.​
A)​single-subjects
B)​between-subjects
C)within-subjects
D)​matched groups

Quizplus · Accepted Answer

This experiment involves the same group of participants being measured twice, with the only difference being the size of the plate used. Therefore, it is a within-subjects design.

In an Experiment Examining the Effects of Size of Plate