Random selection is _____ used, but random assignment is _____ used.
A) always; rarely
B) frequently; rarely
C) rarely; frequently
D) rarely; always

Question

Quizplus · Accepted Answer

Random selection is not commonly used in research studies, as researchers typically use specific criteria to recruit participants who fit certain characteristics or meet certain requirements. On the other hand, random assignment is frequently used in experiments to ensure that participants are evenly distributed across experimental and control groups, which helps minimize the effects of extraneous variables that could affect the results of the study.

Random Selection Is _____ Used, but Random Assignment Is _____

Random Selection Is _ Used, but Random Assignment Is _