[Rasch] Odds ratio as a scale
trevor.bond at jcu.edu.au
Tue Mar 8 22:27:36 EST 2011
May I possibly have some explanations on why odds ratio is a ratio scale measure?
I think you misconstrue...a ratio measurement scale and the mathematical ratio between the probabilities you mention are two entirely different concepts.
I doubt that anyone could seriously assert that RM produces ratio scale measurement – some claim it produces interval level measurement scales.
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