Scientific Explanation in Psychological Science In experiments, researchers most often achieve control over possible
Explanations by
A)random assignment of subjects to different treatment conditions or use of within-subjects designs.
B)presenting a treatment condition in an identical manner to all subjects.
C)keeping the environment, the procedures, and the measuring instruments constant for all subjects in the experiment.
D)using all of these methods.

Question

Quizplus · Accepted Answer

Using random assignment, presenting treatments identically to all subjects, and controlling the environment, procedures, and instruments for all subjects are all methods to achieve control over possible explanations in experiments. Therefore, using all three methods together (D) is the best choice for achieving maximum control.

Scientific Explanation in Psychological Science in Experiments, Researchers Most Often