[Rasch] Rasch analysis of interval data

Mike Linacre (RMT) rmt at rasch.org
Thu Jul 17 08:11:10 EST 2008


Yes, there have been several comparisons of Rasch measures and physical 
measures. Here are two:
http://www.rasch.org/rmt/rmt71b.htm - physical distance
http://www.rasch.org/rmt/rmt112a.htm - physical weight

But would be delighted if you would conduct your height experiment and tell 
us about it.

Mike L.

You wrote:
I'd love to see what happens. Pairing persons heights in cm and their Rasch 
heights simultaneously on a vertical line and comparing the calibrations 
give a good test of Rasch's interval scaling, I guess.

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