An experiment in which the experimental unit (or subject) does not know which treatment he or she isreceiving is called a ________________ .
A) single-blind experiment
B) double-blind experiment
C) randomized block design
D) matched-pairs design

Question

Quizplus · Accepted Answer

In a single-blind experiment, the participants do not know whether they are receiving the treatment or are in the control group, but the researchers do know. This helps to prevent bias in the responses of the participants.

An Experiment in Which the Experimental Unit (Or Subject) Does