Background The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) is a widely used patient reported outcome in osteoarthritis. An important, but frequently overlooked, aspect of ...
Marital happiness is an important variable in family life in Oman as a coherent Muslim society. Recent societal attention to marital happiness and divorce rates in Oman underpins the need for a valid ...
Loglinear latent class models are used to detect differential item functioning (DIF). These models are formulated in such a manner that the attribute to be assessed may be continuous, as in a Rasch ...
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