A ________ is a factor in an experiment that can be manipulated.
A) bias
B) control
C) placebo
D) variable

Question

Quizplus · Accepted Answer

A variable is a factor in an experiment that can be manipulated or changed by the researcher in order to observe its effect on the outcome. A bias is a prejudice or predisposition that may influence the outcome of the experiment, a control is a standard for comparison that is not manipulated, and a placebo is a fake treatment given to a control group for comparison purposes.

A ________ Is a Factor in an Experiment That Can