If a survey may need on-the-spot modifications,a(n)____ is preferable.
A)group questionnaire
B)phone interview
C)mail questionnaire
D)e-mail questionnaire

Name: If a survey may need on-the-spot modifications,a(n)____ is preferable. A)group questionnaire B)phone interview C)mail questionnaire D)e-mail questionnaire
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Phone interviews allow for immediate adjustments based on the respondent's answers or the flow of conversation, unlike the other options which are fixed once sent.

If a Survey May Need On-The-Spot Modifications,a(n)____ Is Preferable