The use of ________ effectively equalizes the groups in an experimental design.
A) a correlation coefficient
B) random assignment
C) a control group
D) the scientific method

Question

Quizplus · Accepted Answer

Random assignment ensures that participants are assigned to the experimental and control groups in a completely random manner, which helps to eliminate sources of bias and creates groups that are similar in terms of demographic, personality, and other relevant characteristics. This helps to rule out alternative explanations for any observed differences between the groups.

The Use of ________ Effectively Equalizes the Groups in an Experimental