The NAACP and the Chamber of Commerce were formed as a result of the

In the congressional setting, casework refers to

A. members being honest with their constituents. B. challengers demanding honesty of incumbents. C. members helping constituents with problems. D. members' right to send mail free of charge. E. legislative research.

Sometimes psychologists choose non-experimental methods in their research because

a. experimental approaches have been criticized as involving too much control over variables. b. psychologists are seldom concerned with issues of cause and effect in behavior. c. non-experimental research shows higher levels of internal validity. d. the experimental approach may involve a problem with ethics.