In controlled experiments,members of the experimental group are exposed to the suspected cause by
A)the members of the groups themselves.
B)the experimenters.
C)a random process.

Question

Quizplus · Accepted Answer

In controlled experiments, the experimenters control the condition being tested, and therefore, they expose the members of the experimental group to the suspected cause. Option A is incorrect because the members of the experimental group cannot expose themselves to the cause being tested, and option C is incorrect because a random process does not control the exposure to the suspected cause.

In Controlled Experiments,members of the Experimental Group Are Exposed to the Suspected