Patrick J Lawrence, Benjamin Burns, Xia Ning
Enhancing drug and cell line representations via contrastive learning for improved anti-cancer drug prioritization
NPJ precision oncology
paper examines school classroom effects daily physical activity dpa policy implementation classrooms ontario canada 2005 ontario ministry education mandated policy requiring school boards ensure elementary students including students special needs minimum twenty minutes sustained mvpa school day instructional time based adaptation chaudoirs conceptual framework paper contributes understanding extent school factors reported administrators classroom factors reported teachers associated policy implementation fidelity classroom level crosssectional online surveys conducted 2014 elementary school administrators teachers based representative random samples schools classrooms measure assessing implementation fidelity developed six required components policy paper fidelity classroom level treated outcome variable several school classroomlevel measures also included surveys number selected inclusion data two surveys merged selected variables included multilevel analysis twolevel logistic regression models conducted account nesting classrooms within schools series models conducted identify factors associated implementation fidelity analytic sample study included 170 school administrators 307 classroom teachers corresponding schools findings multilevel logistic regression analyses indicated classroomteacherlevel factors significantly associated implementation fidelity classroom level none schooladministrator predictors significantly related fidelity parsimonious model included five significant classroomteacher predictors teachers perception dpa realistic achievable confidence selfefficacy scheduling dpa timetables lack space lack time findings study indicate theoretical practical importance addressing classroom teacher factors since proximal implementation fidelity policy several factors also reflect complex structural organizational contexts indicating systems approach understanding supporting dpa implementation fidelity warranted