An experiment in which neither the experimental unit nor the researcher in contact with the experimental unitknows which treatment the experimental unit is receiving is called a ________________ .
A) double-blind experiment
B) single-blind experiment
C) randomized block design
D) matched-pairs design

Question

Quizplus · Accepted Answer

A double-blind experiment is designed to eliminate bias by ensuring that neither the participants (experimental units) nor the researchers interacting with them know who is receiving which treatment. This helps in maintaining the objectivity of the research findings.

An Experiment in Which Neither the Experimental Unit nor the Researcher