Author Question: Which of the following is NOT a method by which experimenters control for extraneous variables? ... (Read 143 times)

codyclark · **on:** Jun 19, 2018

Which of the following is NOT a method by which experimenters control for extraneous variables?

a. Limited population designs
b. Random assignment to conditions
c. Matched group designs
d. Before after designs

Question 2

When participants are measured on the variable of interest before the experiment begins and are then assigned to conditions on the basis of their score, the design is called a

a. one way design.
b. two way design.
c. matched group design.
d. before after design.