Psychometrically qualified usability evaluation instruments offer many advantages to the usability practitioner. Advantages include objectivity, replicability, quantification, economy, communication, and scientific generalization. It is important that instruments used in usability evaluation have shown acceptable estimates of reliability, validity, adaptability and practicality. This paper comp...

BACKGROUND Adolescent and young adult (AYA) cancer survivors require psychometrically rigorous measures to assess their psychosocial well-being. Without methodologically adequate scales the accuracy of information obtained on the prevalence of needs, predictors of risk, and the potential success of any interventions, can be questioned. This review assessed the psychometric properties of measure...

OBJECTIVE To identify patient-specific self-assessment instruments, which measure physical function in patients with musculoskeletal disorders and to evaluate the descriptive properties and the psychometric qualities of these instruments. STUDY DESIGN AND SETTING After a systematic search, included instruments were evaluated psychometrically by the checklist "quality criteria for measurement ...

conclusions we concluded that the fcchl scales are valid and reliable, and can be used to measure health literacy among iranian diabetic patients. however, further research is needed to establish stronger psychometric properties for the use of this questionnaire in iran. results exploratory factor analysis (efa) identified three main factors with 27.07%, 22.46%, and 16.23% of extracted variance...

OBJECTIVE To validate the psychometric properties of the Brazilian version of the 2007 Youth Risk Behavior Survey (YRBS) questionnaire. METHODS The original version of the 2007 YRBS was translated into Portuguese and back-translated into English. The questionnaire versions were analyzed by a committee of experts. The committee used semantic, idiomatic, cultural and conceptual equivalences as ...