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Orphanos, Stelios; Orr, Margaret Terry – Educational Management Administration & Leadership, 2014
School leadership has been shown to exert a positive but mostly indirect influence on school and student outcomes. Currently, there is great interest in how quality leadership preparation is related to leadership practice and improved teacher outcomes. The purpose of the study was to understand the moderating influence of leadership preparation on…
Descriptors: Instructional Leadership, Leadership Training, Teacher Collaboration, Principals
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Agodini, Roberto; Harris, Barbara – Journal of Research on Educational Effectiveness, 2010
This article examines the effectiveness of four elementary school math curricula: (a) "Investigations in Number, Data, and Space"; (b) "Math Expressions"; (c) "Saxon Math"; and (d) "Scott Foresman-Addison Wesley Mathematics" ("SFAW"). These curricula are distinct from one another and represent many…
Descriptors: Grade 1, Mathematics Achievement, Effect Size, Elementary School Mathematics