Professor Morgan questions whether the ratings he receives from his students on "teaching effectiveness" indicate how much the students learn in his class or whether they are just a reflection of how much his students like him. What aspect of the ratings is he questioning?
a. the use of an interval scale
b. the statistical significance of the ratings
c. the measurement validity of the ratings
d. the reliability of the ratings

Considering "civil disobedience," which best describes how thoreau and martin luther king, jr. both felt about acts of civil disobedience? a. they both believed that acts of peaceful political protest would not affect or alter the law. b. they both believed that people should go against certain laws because government is a flawed concept. c. they both believed that individuals have the right and the responsibility to protest unjust laws. d. they both believed that breaking the law is an unjust action that deserves punishment. answer is c.