A powerful way to ensure that the independent variable actually affected the dependent variable when using a before-and-after design is by

Name: A powerful way to ensure that the independent variable actually affected the dependent variable when using a before-and-after design is by
Brand: Quizplus
Rating: 4.8 (42 reviews)

Question

Quizplus · Accepted Answer

Using a multiple group before-and-after design allows for comparisons between groups that did and did not receive the intervention, helping to isolate the effect of the independent variable on the dependent variable.

A Powerful Way to Ensure That the Independent Variable Actually