The most powerful control technique, given the number of influences potentially controlled, is
A) matching.
B) random assignment.
C) counterbalancing.
D) homogeneous selection.

Question

Quizplus · Accepted Answer

Random assignment is the most powerful control technique among the options given because it helps to ensure that any differences between and within the groups are not systematic at the outset of the experiment. This method helps in controlling for both known and unknown factors that could influence the outcomes, making it possible to more confidently attribute differences in outcomes to the experimental manipulation rather than to other variables.

The Most Powerful Control Technique, Given the Number of Influences