Participants are randomly assigned to either the experimental group or the control group in an experiment
A) to ensure that there will be an equal number of males and females in the experimental group and the control group.
B) so that the participants will not be able to figure out what is being tested in the experiment.
C) to help ensure that the two groups are not systemically different from each other at the start of the experiment.
D) so that the researcher will not know which group is being given the independent variable.

Question

Quizplus · Accepted Answer

Participants are randomly assigned to either the experimental group or the control group to help ensure that the two groups are not systemically different from each other at the start of the experiment. This helps to ensure that any differences observed between the groups can be attributed to the independent variable, rather than pre-existing differences between the groups.

Participants Are Randomly Assigned to Either the Experimental Group or the Control