When control groups feel rivalry with the experimental group, it is possible that
A) attrition will increase among the members of the experimental group.
B) an effective program will look less effective than it is.
C) an ineffective program will look more effective than it is.
D) the performance of the experimental group will improve.

Question

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The Answer of When control groups feel rivalry with the experimental group, it is possible that
A) attrition will increase among the members of the experimental group.
B) an effective program will look less effective than it is.
C) an ineffective program will look more effective than it is.
D) the performance of the experimental group will improve.

When Control Groups Feel Rivalry with the Experimental Group, It