What are the possible conclusions or outcomes one could reach from this experiment

Wats iqpow pls write 20 words for an answer

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is:

31. all the following are effective ways of preparing for an interview except practicing in front on a mirror writing down answers to possible questions holding a mock interview with a friend memorizing interview questions and answers