BACKGROUND Little research has assessed the degree of severity and ordering of different types of sexual behaviors for HIV/STI infection in a measurement scale. The purpose of this study was to apply the Rasch model on psychometric assessment of an HIV/STI sexual risk scale among men who have sex with men (MSM). METHODS A cross-sectional study using respondent driven sampling was conducted am...

This study aims to evaluate the psychometric properties of students' perception scales about online learning during Covid-19 pandemic in Indonesian culture. involved 176 students (Male = 54% and Female 46%) at junior senior high school levels from public schools Yogyakarta, Indonesia. The age respondents ranged 11 17 years, with a mean 13.5 years standard deviation 1.4 years. scale adopts 16 it...

PURPOSE To analyze the validity of the Hospital Anxiety and Depression Scale (HADS) among Chinese cataract population. METHODS A total of 275 participants with unilateral or bilateral cataract were recruited to complete the Chinese version of HADS. The patients' demographic and ophthalmic characteristics were documented. Rasch analysis was conducted to examine the model fit statistics, the th...

conclusions following cabg, the most severity of pain was reported at surgical incision on time t2. pain began to decrease from the third day following the operation. age, sex and bmi along with operation-related factors such as duration of cbp or chest tube drainage may affect the pain pattern following cabg surgery. patients and methods the present study was conducted on 138 patients who unde...

Existing anxiety rating scales have limited construct validity in patients with Parkinson's disease (PD). This study was undertaken to develop and validate a new anxiety rating scale, the Parkinson Anxiety Scale (PAS), that would overcome the limitations of existing scales. The general structure of the PAS was based on the outcome of a Delphi procedure. Item selection was based on a canonical c...

OBJECTIVES To evaluate the properties of the Pain Catastrophizing Scale (PCS) from a Rasch paradigm. METHODS A secondary analysis of 235 patients with work-related pain conditions was performed using the Rasch methodology. Unidimensionality, item fit, location independence, differential item functioning, response option structure, and linearity were evaluated for the 13-item PCS score. RESU...

The ADL-focused Occupation-based Neurobehavioral Evaluation (A-ONE; Arnadóttir, 1990) can be used to evaluate both performance of activities of daily living (ADL) tasks and neurobehavioral problems that interfere with ADL task performance among clients with neurological disorders. This study examined the rating scale structure and aspects of validity and reliability of the A-ONE's ordinal ADL s...

BACKGROUND Knowledge in natural sciences generally predicts study performance in the first two years of the medical curriculum. In order to reduce delay and dropout in the preclinical years, Hamburg Medical School decided to develop a natural science test (HAM-Nat) for student selection. In the present study, two different approaches to scale construction are presented: a unidimensional scale a...