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...

as social health is a condition-driven, dynamic and fluid concept, it seems necessary to construct and obtain a national and relevant concept of it for every society. providing an empirical back up for iran's concept of social health was the aim of the present study.this study is an ecologic study in which available data for 30 provinces of iran in 2007 were analyzed. in order to prove construc...

Introduction In research, validity refers to the degree to which findings are applicable in real-life situations. Essentially, if the findings are strongly valid, it implies that they have an excellent degree of applicability. In contrast, low validity implies that the survey is not applicable in real-life situations. The specific approach used during research has strong influence on validity. ...

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...

Validation of psychological tests has not yet been adequately conceptualized, as the APA Committee on Psychological Tests learned when it undertook (1950-54) to specify what qualities should be investigated before a test is published. In order to make coherent recommendations the Committee found it necessary to distinguish four types of validity, established by different types of research and r...

background: the aim of this study was to investigate the psychometric properties of social capital questionnaire (scq) developed by onyx and bullen (2000) among a sample of medical science students in tehran university of medical sciences, iran and to compare the factor analysis with findings from two previous studies in australia and the united states. methods: multistage cluster sampling was ...

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...

This paper presents a modeling of Pulse Width Modulation (PWM) for conducted noise reduction in Switching Power Converters (SPC) using Field Programmable Gate Array (FPGA) based controller. Buck boost Flyback converter is the preferred choice among variety of switching power converters due to its low component count, cost-effective structure as well as its large dynamic range. Converters should...