In a well-designed experiment, subjects must be ________ to experimental conditions to control for other factors.
A) stratified
B) correlated
C) randomized
D) dispersed
E) controlled

Question

Quizplus · Accepted Answer

Randomization is a technique used in experimental designs to assign subjects randomly to treatment groups. This helps control for other factors that may influence the results of the experiment, since each subject has an equal chance of being assigned to any group. Stratification refers to dividing subjects into different groups based on certain characteristics, which may also be done in some experiments for control purposes. Correlation, dispersion, and control are not relevant to subject assignment in experimental designs.

In a Well-Designed Experiment, Subjects Must Be ________ to Experimental