Abstract Background Currently, there are no outcome measures assessing the ability of people with non-specific low back pain to self-manage their illness. Inspired by ‘Patient Enablement Instrument’, we developed Patient Instrument for Back Pain (PEI-BP). The aim this study was describe development (PEI-BP) and investigate content validity, construct internal consistency, test–retest reliabilit...

Background: One of the most important indicators for assessing the validity of a scale is the determination of the construct validity of that scale. Since no standard gold test exists to measure the upper limb function in patients with stroke, the study of the construct validity of the Wolf Motor Function Test (WMFT) is of particular importance. Objectives: To evaluate the construct validity o...

background: given that validity is the baseline of psychological assessments, there is a need to provide evidence-based data for construct validity of such scales to advance the clinicians for evaluating psychiatric morbidity in psychiatric and psychosomatic setting. methods: this comparative cross-sectional study aimed to investigate the construct validity of the malaysian version of the ghq-2...

conclusions persian version of the self-management scale for patients with epilepsy is valid and reliable to measure the dimensions of self-management in iranian patients and it can be used to measure epileptics’ self-management. further research on the safety of this tool is recommended. results the validity of all items was above 0.63 and their content validity indexes (0.81-1) were appropria...

the aim of this study was to investigate the role of linguistic and intelligence factors in the iranian ielts candidates’ speaking performance. linguistic factors include depth and breadth of vocabulary knowledge as well as grammar knowledge. narrative and verbal intelligences represent the non-linguistic factors. the participants included 329 learners who took 5 validated tests and also partic...