Multiple Choice
In regard to internal and external validity
A) you can't have one without the other.
B) procedures used to establish internal validity will also establish external validity.
C) they are matters of degree rather than all-or-nothing propositions.
D) neither is important in laboratory experiments.
E) internal validity is a much more important issue in marketing than external validity.
Correct Answer:
Verified
Correct Answer:
Verified
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