Experimental research requires that the responses of ___ group(s)be examined.
A) at least 1
B) 2
C) at least 2
D) 3 or more

Name: Experimental research requires that the responses of ___ group(s)be examined. A) at least 1 B) 2 C) at least 2 D) 3 or more
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Experimental research requires at least two groups - an experimental group and a control group. The responses of these two groups are compared in order to determine the effectiveness of the experimental treatment or intervention.

Experimental Research Requires That the Responses of ___ Group(s)be Examined