Within subjects designs have several advantages which include_____.
A)a smaller sample size is needed
B)a larger sample size is needed
C)less disturbance variables
D)Both a & c
E)none of these

Question

Quizplus · Accepted Answer

Within subjects designs have the advantage of controlling for individual differences and reducing the variability of data, which leads to the need for smaller sample sizes. Additionally, because the same participants are used for all conditions, there are fewer extraneous variables that may impact the results, leading to less disturbance variables.

Within Subjects Designs Have Several Advantages Which Include_____