A good control group __________.
A) contains at least one confound
B) has a limited number of dependent variables
C) has a limited number of research participants
D) holds constant all variables in the experiment

Question

Quizplus · Accepted Answer

A good control group holds constant all variables in the experiment, ensuring that any changes observed in the experimental group are due to the manipulation of the independent variable and not due to any outside factors. Choices A and B would compromise the validity of the experiment, while choice C does not necessarily affect the quality of the control group as long as it is appropriately selected and representative of the population being studied.

A Good Control Group __________