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When Conducting an Efficacy Study, Which of the Following Should

Question 20

Multiple Choice

When conducting an efficacy study, which of the following should you do?


A) Invite people to view campaign message online and then complete a questionnaire about the campaign
B) Survey people before and after they have been exposed to the campaign
C) Exposing people to campaign materials in a controlled environment and evaluate their immediate response
D) Measure the number of people expose to the campaign message

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