Yangyang Wu, Ting Zhang, Yiyi Wang, Jing Wei, Lei Huang, Jie Yang, Hong Sun
Spatial heterogeneity in health risks of illness-related absenteeism associated with PM2.5 exposure for elementary students
Environmental research
preschool improves childrens kindergarten readiness cognitive outcomes preschool enrollees nonenrollees tend converge partially fully elementary school older programs convergence occurs kindergarten li et al 2016 evidence todays programs sparse using data 4971 children applied boston public school prekindergarten program quasiexperimental approach examine convergence kindergarten third grade k3 literacy outcomes prekindergarten enrollees nonenrollees consistent previous literature convergence k3 literacy outcomes occurred kindergarten findings suggest detailed investigations kindergarten teaching learning context may particularly important solving widely noted preschool convergence pattern