Desire Alice Naigaga|Kjell Sverre Pettersen|Sigrun Henjum|Øystein Guttersrud
Assessing adolescents’ perceived proficiency in critically evaluating nutrition information
OsloMet – Oslo Metropolitan University|OsloMet – Oslo Metropolitan University|OsloMet – Oslo Metropolitan University|University of Oslo
recent past increase nutrition information available adolescents various sources resulted confusion misinterpretation dietary advice results international assessment frameworks pisa timms reflect need adolescents critically appraise health information number scales measuring critical health literacy individuals exist devoted critical nutrition literacy scales target individuals advanced level nutrition education often gaging proficiency information appraisal relation principles evidencebased medical research purpose present study examine psychometric properties newly developed critical nutrition literacy scale cnle measuring adolescents perceived proficiency critically evaluating nutrition information various sourcesduring spring 2015 1600 tenth graders aged 1516 years approximately 60 schools norway responded fiveitem questionnaire using electronic survey system applying rasch analysis approach examined psychometric properties cnle scale employing rumm2030 statistical package investigate dimensionality scale test underlying structure applied multidimensional rasch modelling using conquest 4 software confirmatory factor analysis cfa using lisrel 930 softwarein sample cnle stood valid reliable welltargeted scale good overall fit partial credit parameterization polytomous unidimensional rasch model pcm items sufficiently statistically independent ordered response categories showed acceptable individual fit pcm item displayed withinitem bias differential item functioning diffrom observed cnle sum score possible draw plausible conclusions individuals critically evaluate nutrition information efforts improve communication nutrition information could benefit applying validated measures cnle scale cnle scale provides insight individuals without advanced level nutrition education adolescents determine validity reliability nutrition information various sources