This study investigated the extent to which teacher professional development led to changes in science instruction in K-2 classrooms in rural school districts. The research specifically examined changes in (a) teachers' content knowledge in science; (b) teachers' self-efficacy related to teaching science; (c) classroom instructional time allotted…

Although several school districts in a southern US state use a three-tiered Response to Intervention (RtI) model to supplemental core reading instruction and positively impact student achievement, the model appears to have had nominal impact. The theoretical foundation for this study is anchored in a constructivist approach to education. Three…