Why is it important that an experiment include a control group?
A) The control group is the group that the reseacher is in control of; it is the group in which the researcher predetermines the nature of the results.
B) The control group provides a reserve of experimental subjects.
C) A control group is required for the development of an "if; then" statement.
D) A control group assures that an experiment will be repeatable.
E) Without a control group, there is no basis for knowing if a particular result is due to the variable being tested or to some other factor.
endocrine feedback control
The Experiment by Albrecht, 1978
Homeostasis and negative feedback as related to control of body temperature.
Control of urination.
(A) Female head louse. (Courtesy of the Centers for Disease Control and Prevention/ Dr. Dennis ...
Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester