Posts Tagged ‘Rasch’

IACAT Day #1

Today, I had the distinct privilege of attending and presenting at the first ever meeting of the International Association of Computerized Adaptive Testing.  Wow!  The diversity of theoreticians, practitioners, and supporters of CAT around the globe is fantastic.  We had folks from 30 different countries in attendance.  This is the logical extension of the conferences put together by GMAC […]

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Spring Conferences

OK, so it’s not April or May anymore.  Yes, it’s a little late to be providing a review of the Spring conferences put on by the International Objective Measurement Workshop and the National Council on Measurement in Education. Better late than never. IOMW is the biennial Rasch modeling conference.  I attend a few times in the 90s but […]

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What do you get from a single test item?

If an examinee answers a single test item (aka question) about a specific topic correctly, what can we infer about the examinee’s knowledge of that topic?  Even with the highest quality performance assessment items, the answer is very little. That’s because there are several factors that interact when a test item is presented to an […]

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Item Exposure Control Mechanisms

A few weeks ago, I had the privilege of making the annual trek to the AERA/NCME annual meeting. Typically, I’m quite cynical about this event, but this year I was pleasantly surprised. The program was well done, the presentations were pretty darn good, and the people I chatted with stimulated me. All in all, I […]

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