Sophie Works for Buzzfeed

Sophie works for Buzzfeed. Her job requires her to create at least 10 new online quizzes per week. Sophie is tired of people belittling her work and is using her knowledge of psychology to compose quizzes of high quality and standards that could even be compared to the psychological tests she reads about in her textbooks.
-Sophie tries her hardest to ensure her quizzes are standardized.This means ____________.

A) all users get the same instructions, questions, and time limit
B) the results are compared with data from Canada's national statistical agency
C) she incorporates psychological concepts in her quizzes
D) she gets ethics approval and debriefs the users after they have completed the quiz