[Rasch] Models of unidimensional constructs have their limitations

Trevor Bond trevor.bond at jcu.edu.au
Tue Nov 6 14:59:06 EST 2007

Dear Rod
HRQoL is one of the areas where Rasch is having a major impact, if I 
can judge by the articles I am asked to review.
Are multidimensional states a composite of unidimensional states?
Why would we ever expect that any human condition could be denied by 
one dimension?
thanks for your prompt!
Trevor G BOND Ph D
Professor and Head of Dept
Educational Psychology, Counselling & Learning Needs
D2-2F-01A EPCL Dept.
Hong Kong Institute of Education
10 Lo Ping Rd, Tai Po
New Territories HONG KONG

Voice: (852) 2948 8473
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