Manual Event (Session ID,DateTime,Event) = 4ji798ohjrq5qupaqj0e19gs13 20240418114522 /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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Discussion thread: Services for People with Disabilities

Ruth Chow

19 August 2021

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

19 August 2021

It’s our pleasure.

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Ruth Chow

19 August 2021

Thank you for pointing out the issue.

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Lauren

19 August 2021

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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