[IPAC-List] Norms

Fred Rafilson fred at iosolutions.org
Wed Jan 8 13:26:30 EST 2014

I think it would depend mostly on the type of test (content). For example, an Integrity test ☺ should remain relatively stable, but a cognitive test may have significant differences (improvements) on retakes. Despite test reliability – there is often additional test prep, etc., after a failed first attempt that can significantly impact scores. Again – I don’t know anything about the test in question. I suggest running them separately and looking at the differences. Probably safest to report norms based on test attempt.

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From: ipac-list-bounces at ipacweb.org [mailto:ipac-list-bounces at ipacweb.org] On Behalf Of Patrick McCoy
Sent: Wednesday, January 08, 2014 9:50 AM
To: IPAC-List at ipacweb.org
Subject: [IPAC-List] Norms

I am currently running off some normative data on a test (means and frequency distributions) to see how people are doing on it and to see what proportion pass at various cutoff scores.

My question concerns how to handle the issue of candidates taking the same test more than once. One option would be to use only the first test score. Another would be to use all scores. A third option would be to use only the most recent score.

My tendency would be to use the most recent score or all scores, and I suspect that the results from these two approaches will be quite similar in most instances. Does that make sense or am I missing something?

Your thinking on this would be appreciated!

Pat McCoy
Ottawa Canada


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