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Lehrl, Simone; Kluczniok, Katharina; Rossbach, Hans-Guenther; Anders, Yvonne – Global Education Review, 2017
The present study examines how attending the German model project "Kindergarten of the Future in Bavaria" (KiDZ), which provided 138 children (aged 3 to 6) with traditional preschool stimulation combined with cognitive and domain-specific stimulation, is associated with children's competencies in mathematics over time to age 12 compared…
Descriptors: Foreign Countries, Preschool Education, Mathematics Skills, Mathematics Instruction
Schenke, Katerina; Nguyen, Tutrang; Watts, Tyler W.; Sarama, Julie; Clements, Douglas H. – Journal of Educational Psychology, 2017
We examined whether African American students differentially responded to dimensions of the observed classroom-learning environment compared with non-African American students. Further, we examined whether these dimensions of the classroom mediated treatment effects of a preschool mathematics intervention targeted at students from low-income…
Descriptors: Mathematics Achievement, Racial Differences, African American Students, Classroom Environment
Breffni, Lorraine – Journal of Early Childhood Teacher Education, 2011
The number of state-funded prekindergarten programs continues to grow in the United States. The quality of these early childhood programs, however, often depends on the type of professional development provided. In this investigative study, an experimental pre-post causal-comparative research design was employed to evaluate the impact of an 8-week…
Descriptors: Educational Strategies, Control Groups, Preschool Education, Program Effectiveness