A concern with Internet sampling frames is that there is no comprehensive directory of or standard format for email addresses.

Name: A concern with Internet sampling frames is that there is no comprehensive directory of or standard format for email addresses.
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Question

Quizplus · Accepted Answer

This statement is true. There is no single comprehensive directory of email addresses, nor is there a standard format for email addresses. This can make it difficult to create an accurate sample frame for internet surveys.

A Concern with Internet Sampling Frames Is That There Is