21. Answer: b. Contrary
Explanation: Contrary means opposite. Valuing honesty is the opposite (or contrary) view compared to lying on a daily basis.
22. Answer: b. Justification
Explanation: The people would need provide an explanation as to why they value honesty if they cannot be honest themselves. The synonym for explanation is justification.
23. Answer: d. Empirical
Explanation: Empirical means studied through direct or indirect observation or experience. If information was collected during a study, it is considered an empirical study.
24. Answer: a. Revealed
Explanation: Studies were done on people telling "white lies", therefore they "revealed" or showed the results of the study.
25. Answer: c. Erode
Explanation: Erode means to gradually destroy, and the text explains that "white lies" slowly destroy one's self-image as an honest person.