[Rasch] item pools

Adams, Ray adams at acer.edu.au
Fri Jan 27 09:18:15 EST 2012

PISA item response data is publicly available at: mypisa.acer.edu.au

You'll find there 4 databases each with many many thousands of student responses per item


From: rasch-bounces at acer.edu.au [mailto:rasch-bounces at acer.edu.au] On Behalf Of Robert Hess
Sent: Friday, 27 January 2012 6:47 AM
To: rasch
Subject: Re: [Rasch] item pools

Question, how big a data set are you looking for? I have some extremely large data sets for math achievement scores (old data from school district of over 40,000 students). I probably would have to get their permission before releasing the data (but I don't think that would be a difficulty). Let me know.
Bob Hess
Prof. Emeritus of Measurement & Evaluation in Education
Arizona State University

From: rasch-bounces at acer.edu.au [mailto:rasch-bounces at acer.edu.au] On Behalf Of Dan Kindlon
Sent: Wednesday, January 25, 2012 1:55 PM
To: rasch at acer.edu.au
Subject: [Rasch] item pools

I am interested in locating large item pools containing individual responses to achievement or aptitude questions (e.g. math achievement test  data for students in grades 1-3).  Optimally the data set(s) would already include the item difficulties calibrated using the original sample, but that is not a requirement.

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