asked 194k views
23 votes
A survey is not valid if it select one:

a. is more than one year old.
b. lacks secondary evidence to supplement it.
c. does not include at least 50 responses.
d. fails to measure what it is intended to measure.

1 Answer

6 votes
D. Fails to measure what it is intended to measure
answered
User Mido
by
8.2k points

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