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The alpha and the omega of scale reliability and validity
alpha omega scale reliability validity
2016/1/28
Health Psychologists using questionnaires rely heavily on Cronbach’s alpha as indicator of scale reliability and internal consistency. Cronbach’s alpha is often viewed as some kind of quality label: h...
The Self-Assessment Perceived Global Distress Scale-Reliability and Construct Validity桺erceived Global Distress Scale
Schizophrenia Severe Mental Illness Distress Visual Analogue Scale Perceived Global Distress Scale
2013/2/21
Objective: the aim was to study psychometric properties of the Perceived Global Distress Scale (PGD) for peo- ple with severe mental illness, mainly with schizophrenia disorders. Methods: PGD is a Vis...