1. Consider estimating IRT item statistics when you have a roughly unidimensional test with a sample size...

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1. Consider estimating IRT item statistics when you have a roughly unidimensional test with a sample size of 250 or more.

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Measurement Theory In Action

ISBN: 9780415644792

2nd Edition

Authors: David Whitney, Kenneth S Shultz, Michael J Zickar

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Question Posted: Aug 30, 2024 12:01 PM

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2. Conduct an exploratory factor analysis to show that your test is roughly unidimensional before proceeding with the IRT estimation.
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1. Consider estimating IRT item statistics when you have a roughly unidimensional test with a sample size...

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Measurement Theory In Action

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