An experiment enables researchers to isolate the effects of one or more factors by manipulating the factors of interest and also by
A) obtaining participants' informed consent prior to beginning the experiment.
B) summarizing participants' responses with a correlation coefficient.
C) holding other factors constant across experimental and control groups.
D) fully debriefing participants after completing the experiment.

Question

Quizplus · Accepted Answer

By holding other factors constant across experimental and control groups, the researchers are able to isolate the effects of the factors being manipulated. This allows them to determine causality and make more confident conclusions about the relationship between the factors and the outcome. Obtaining informed consent, using correlation coefficients, and debriefing participants are all important aspects of ethical research, but they do not directly address the issue of isolating factors in an experiment.

An Experiment Enables Researchers to Isolate the Effects of One