One drawback of personal administration methods is that
A) it is difficult to get personal data.
B) there is a strong possibility of response sets.
C) administrators must be trained.
D) possible interviewer bias.

Question

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The Answer of One drawback of personal administration methods is that
A) it is difficult to get personal data.
B) there is a strong possibility of response sets.
C) administrators must be trained.
D) possible interviewer bias.

One Drawback of Personal Administration Methods Is That