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What is the testing effect that may threaten internal validity?

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Jay Wong
2020年5月19日
What is the testing effect that may threaten internal validity?

What is the testing effect, and how does it threaten internal validity?

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Tanka Wong
2020年5月20日

You are welcome. =)

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Jay Wong
2020年5月20日

Thanks.

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Tanka Wong
2020年5月20日

If the same test is given to participants several times, they may show improvement in scores because they can figure out “correct” responses through “exercise,” or scores may decrease due to boredom. In both situations, the outcome change is unrelated to the intervention.

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