Answer:
Which of the following is TRUE about survey research?
Both interviewer bias and the social desirability effect are strongest in face-to-face surveys.
Explanation:
This is bacause, when there is face-to-face survey being carried out, the tend to be bias that would be introduced thereby defeating the purpose of the survey.
For example, when the a survey is carried out about smoking in a school by a professor, the students would never give an acurate information during face-to-face survey if the lecturer involved was never liked by them and vis versa.