نتایج جستجو برای: multifaceted rasch measurement mfrm
تعداد نتایج: 454516 فیلتر نتایج به سال:
PURPOSE To investigate whether the Patient Health Questionnaire-9 (PHQ-9) possesses the essential psychometric characteristics to measure depressive symptoms in people with visual impairment. METHODS The PHQ-9 scale was completed by 103 participants with low vision. These data were then assessed for fit to the Rasch model. RESULTS The participants' mean +/- standard deviation (SD) age was 7...
BACKGROUND Economic environmental factors represent important barriers to participation and have deleterious effects on quality of life (QOL) in persons with spinal diseases (SpD). While economic factors are anchored in the International Classification of Functioning, Disability and Health, their influence on QOL and participation from patients' perspectives is an infrequent focus of research. ...
BACKGROUND AND PURPOSE Attempts have been made to provide guidelines for interpreting Barthel scores. We used a Rasch analysis to improve the measurement properties and clinical interpretability of the Barthel index score. METHODS A specific extension of Rasch model was used to identify items that preclude the summation of items and to improve the item rating scale by examining the scores on ...
BACKGROUND Aging has determined a demographic shift in the world, which is considered a major societal achievement, and a challenge. Aging is primarily a subjective experience, shaped by factors such as gender and culture. There is a lack of instruments to assess attitudes to aging adequately. In addition, there is no instrument developed or validated in developing region contexts, so that the ...
Rasch fit analysis has focused on tests of global fit and tests of the fit of individual parameter estimates. Critics have noted that slight, but pervasive, patterns of misfit to a Rasch model within the data may escape detection using these approaches. These patterns contradict the Rasch axiom of local independence, and so degrade measurement and may bias measures. Misfit to a Rasch model is c...
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