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alexdok [17]
2 years ago
15

What is the name of the threat posed by nonrandom assignment of participants to experimental and control groups

Social Studies
1 answer:
Lyrx [107]2 years ago
7 0

Answer:

Selection

Explanation:

Their post- test performance might be affected by this learning experience that occurred while they took the pretest. Statistical regression is another threat that oc- curs only if participants are selected on the basis of their extreme scores.

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