blackstorm8196 blackstorm8196

10-07-2020
Social Studies

contestada

If we choose participants in such a way that our groups are not equal before the experiment, we have which of the following threats to internal validity?
A. Selection
B. History
C. Testing
D. Maturation

Respuesta :

CaduCozac CaduCozac

10-07-2020

Answer:

A

Explanation:

Since your selection was poor, that is what is threatening the final results.

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