Leixian Shen, Yizhi Zhang, Haidong Zhang, Yun Wang
Data Player: Automatic Generation of Data Videos with Narration-Animation Interplay
IEEE transactions on visualization and computer graphics
assess reproducibility schoolbased nutrition monitoring sbnm questionnaire fourthgrade students testretest fourthgrade elementary school classrooms multiethnic fourthgrade students 2 area school districts n 322 reproducibility coefficients time intervals questionnaire administrations 2 hours yesterday food choice physical activity questions 2 weeks nutrition knowledge attitude questions spearman rank order correlation percent agreement kappa statistic calculated individual questionnaire item 43 questions included reproducibility analyses testretest kappa values moderate high greater 040 90 questions 39 questions spearman coefficients greater 070 24 questions whereas percent agreement exceeded 75 28 questions sbnm questionnaire showed good excellent reproducibility nutrition behavior questions physical activity weight behavior food selection skills overall however questions assessed nutrition knowledge attitudes reproducible probably resulting learning effects time results study indicate questionnaire easily administered elementary school classroom used measure nutrition behaviors among 9 10yearold school children