Marek Karas, Sophie Bartlett, Angela Whitaker, Nik Sheen, Rachel North, Barbara Ryan
An analysis of glaucoma repeat measures assessment results: Are core competencies enough?
Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)
create tool measure college students functional interactive critical nutrition literacy 1 focus group item generation 2 expert review 3 exploratory factor structure analysis 4 item refinement modification 5 factor structure validation 6 criterion validation two landgrant college campuses college students aged 18 24 years survey data used assess nutrition literacy exploratory factor analysis confirmatory factor analysis cfa item response theory irt analyses correlations onehundred twentythree items generated tested online survey format items eliminated basis face validity expert feedback exploratory factor analysis cfairt 3 measures functional interactive critical analyzed separately 3 measures showed reasonable model fit cfairt models criterion validity showed small medium effect sizes measures fruitvegetable intake reliability estimates met reasonable standards measure young adult nutrition literacy tool novel instrument measures 3 domains nutrition literacy strengths include rigorous 6step development process reasonable psychometric properties large breadth items