Random assignment of individuals into experimental groups ______ the experiment's level of sophistication.
A) randomizes
B) improves
C) reduces
D) has no effect on

Question

Quizplus · Accepted Answer

Random assignment of individuals into experimental groups improves the experiment's level of sophistication by ensuring that each group is comparable at the start of the experiment, which helps in isolating the effect of the independent variable on the dependent variable.

Random Assignment of Individuals into Experimental Groups ______ the Experiment's