A researcher who was interested in the influence of music on job motivation assigned one group to hear music while working and another group to not hear music while working. To determine which test subject would go into which group, the researcher flipped a coin. Which process of assignment was the researcher using?
A) establishing a control group
B) randomization
C) random sampling
D) establishing controls

Question

Quizplus · Accepted Answer

The researcher was using randomization to assign test subjects to different groups, ensuring that each subject had an equal chance of being in either group, which helps to minimize bias and confounding variables in the experiment.

A Researcher Who Was Interested in the Influence of Music