Gina L. Trakman|Adrienne Forsyth|Russell Hoye|Regina Belski
Developing and validating a nutrition knowledge questionnaire: key methods and considerations
La Trobe University|La Trobe University|Impact|La Trobe University|La Trobe University
outline key statistical considerations detailed methodologies development evaluation valid reliable nutrition knowledge questionnaireliterature questionnaire development range fields reviewed set evidencebased guidelines specific creation nutrition knowledge questionnaire developed recommendations describe key qualitative methods statistical considerations include relevant examples previous papers existing nutrition knowledge questionnaires details omitted sake brevity reader directed suitable referenceswe recommend eightstep methodology nutrition knowledge questionnaire development follows definition construct development test plan ii generation item pool iii choice scoring system response format iv assessment content validity v assessment face validity vi purification scale using item analysis including item characteristics difficulty discrimination vii evaluation scale including factor structure internal reliability rasch analysis including assessment dimensionality internal reliability viii gathering data reexamine questionnaires properties assess temporal stability confirm construct validity several methods previously overlookedthe measurement nutrition knowledge important consideration individuals working nutrition field improved methods development nutrition knowledge questionnaires use factor analysis rasch analysis enable confidence reported measures nutrition knowledge