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) statistically summarizing participants' responses on a scatterplot.
C) holding other factors constant across experimental and control groups.
D) fully debriefing participants after completing the experiment.

Question

Quizplus · Accepted Answer

In order to isolate the effects of one or more factors, it is necessary to hold other factors constant across experimental and control groups. This allows the researcher to determine whether any observed differences between the groups can be attributed to the factors being manipulated or if they are influenced by other variables. Obtaining informed consent, summarizing responses, and debriefing participants may be important ethical considerations, but they do not directly relate to isolating the effects of factors in an experiment.

An Experiment Enables Researchers to Isolate the Effects of One