[Rasch] Invariance

Anthony James luckyantonio2003 at yahoo.com
Fri Jan 11 07:48:39 EST 2008

Mike and Steve,
  Thanks for your input.
  I can apprecaite invariance and have read Ben's memo#1.
  I have also experineced it with my own data.
  My question was about the algebraic "proof" of invaraince.
  Is Hambelton's regression something that Rasch folks also adhere to?
  I haven't come across any regression discussion in the Rasch literature.

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