Which One of the Four Premises Below Applies to Using

Multiple Choice

Which one of the four premises below applies to using control groups in social program evaluation?

A) Individuals should not be restricted to the status-quo
B) Individuals should not be informed of the purpose in order to avoid bias
C) Individuals should be informed when they will be subjected to ineffective or harmful programs
D) Individuals have a right to new services, and random selection gives all a chance to participate