Both research participant bias and researcher bias can be controlled by
A) randomly selecting one's participants.
B) using a single-blind experiment.
C) using a double-blind experiment.
D) randomly assigning participants to the experimental and control groups.

Question

Quizplus · Accepted Answer

A double-blind experiment controls for both research participant bias and researcher bias by ensuring that neither the participants nor the researchers know who is receiving the treatment and who is in the control group. This prevents both groups from being influenced by their expectations.

Both Research Participant Bias and Researcher Bias Can Be Controlled