机译:解释夏季阅读计划的有效性:旁观者的眼睛
Univ Iowa Iowa Reading Res Ctr 103 Lindquist Ctr Iowa City IA 52242 USA;
Univ Iowa Iowa Reading Res Ctr 103 Lindquist Ctr Iowa City IA 52242 USA;
Effect sizes; Growth modeling; Propensity score matching; Summer reading; Summative evaluation;