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Manual Event (Session ID,DateTime,Event) = evotda963bt9qcfshun8salgv3 20240426171441 /tc/communities/i-wonder-if-i-revise-the-instrument-in-the-post-test-will-it-cause-a-matter-statistically/

I wonder, if I revise the instrument in the post-test, will it cause a matter statistically?

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Ruth Chow
2021年8月19日
I wonder, if I revise the instrument in the post-test, will it cause a matter statistically?

I wonder, if I revise the instrument in the post-test, will it cause a matter statistically?

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Lauren
2021年8月19日

It’s our pleasure.

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Ruth Chow
2021年8月19日

Thank you for pointing out the issue.

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Lauren
2021年8月19日

If non-equivalent tests are given at pre and post-tests, it may give rise to instrumentation concerns that threaten internal validity.

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