A ______ is a research design in which each participant appears in all levels or categories of the independent variable.
A) t-test for independent means
B) t-test for one mean
C) between subjects research design
D) within-subjects research design

Question

Quizplus · Accepted Answer

Within-subjects research design, also known as a repeated measures design, involves the same participants being measured multiple times under different conditions or levels of the independent variable. This allows for comparisons within each participant, increasing the statistical power and reducing the error variance.

A ______ Is a Research Design in Which Each Participant