In a directive interview, the interviewer controls the purpose, structure, and pacing of the interview

All the following were responsible for the practice of "vertical integration" except

a. Thomas Ince. b. William Fox. c. Adolph Zukor. d. Marcus Loew.

In order to conduct a pilot study of your questionnaire, you sampled participants with particular characteristics that were of interest to you. What type of nonprobability sampling did you use?

a. convenience b. purposive or judgmental c. snowball d. cluster