Random assignment allows researchers to ________.
A) ignore problems of measurement
B) assume that groups of participants are more or less equivalent on preexisting conditions
C) ignore ethical constraints on research
D) control for selective attrition

Question

Quizplus · Accepted Answer

Random assignment helps to create equivalent groups on preexisting conditions, thereby reducing the potential for confounding variables. It does not address problems of measurement, ethical constraints, or selective attrition.

Random Assignment Allows Researchers to ________