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Salbach, Nancy M.; Jaglal, Susan B.; Williams, Jack I. – Journal of Continuing Education in the Health Professions, 2013
Introduction: The reliability, minimal detectable change (MDC), and construct validity of the evidence-based practice confidence (EPIC) scale were evaluated among physical therapists (PTs) in clinical practice. Methods: A longitudinal mail survey was conducted. Internal consistency and test-retest reliability were estimated using Cronbach's alpha…
Descriptors: Evidence, Error of Measurement, Measures (Individuals), Physical Therapy
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Saperstein, Aliya – Social Forces, 2006
Social constructivist theories of race suggest no two measures of race will capture the same information, but the degree of "error" this creates for quantitative research on inequality is unclear. Using unique data from the General Social Survey, I find observed and self-reported measures of race yield substantively different results when used to…
Descriptors: Race, Correlation, Income, Educational Attainment
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Howell, Colleen J.; Howell, Ryan T.; Schwabe, Kurt A. – Social Indicators Research, 2006
Recent studies investigating need theory and the extent to which money can buy happiness have called for more research within culturally homogeneous samples from developing countries to explore this relationship. We examine wealth as a measure of possessions and savings and relate this to subjective well-being (SWB) among poor indigenous farmers…
Descriptors: Life Satisfaction, Economically Disadvantaged, Indigenous Populations, Agricultural Occupations