One way to prevent experimenter bias is to be sure that the experimenter and the participants know nothing about who is receiving the experimental treatment and who is not.This is known as ____.

Question

Quizplus · Accepted Answer

A double-blind design involves both the experimenter and the participants being unaware of who is receiving the experimental treatment and who is not, thus preventing experimenter bias. Random assignment of variables can also help prevent bias, but it does not necessarily ensure that the experimenter and participants are unaware of the treatment conditions. Experimenter design and the placebo effect are not relevant options for preventing experimenter bias.

One Way to Prevent Experimenter Bias Is to Be Sure