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Marcy is concerned that her findings may be due to an extraneous uncontrolled variable and not her treatment. Marcy is most concerned with:_______

a. triangulation.

b. respondent validation.

c. external validity.

d. internal validity.

User Asthasr
by
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1 vote

Answer:

c

Explanation:

because it's her extraneous uncontrolled variable

User Suhas
by
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