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Distributed Scaffolding: Wiki Collaboration Among Latino High School Chemistry Students, Edwin Duncan O'Sullivan Oct 2013

Distributed Scaffolding: Wiki Collaboration Among Latino High School Chemistry Students, Edwin Duncan O'Sullivan

Dissertations (1934 -)

The primary purpose of this study was to evaluate if wiki collaboration among Latino high school chemistry students can help reduce the science achievement gap between Latino and White students. The study was a quasi-experimental pre/post control group mixed-methods design. It used three intact sections of a high school chemistry course. The first research question asked if there is a difference in academic achievement between a treatment and control group on selected concepts from the topics of bonding, physical changes, and chemical changes, when Latino high school chemistry students collaborate on a quasi-natural wiki project. Overall results for all three …


Textbooks, Teachers, And Middle School Mathematics Student Achievement, Susan R. Monaghan Oct 2013

Textbooks, Teachers, And Middle School Mathematics Student Achievement, Susan R. Monaghan

Dissertations (1934 -)

The purpose of this study was to extend the research on textbook effectiveness to a situated investigation of a single large urban school district in which middle schools were given a choice in selecting from three textbooks for mathematics instruction: a reform textbook, a commercially produced textbook developed in response to mathematics standards, and a traditional textbook. Its genesis is rooted in the efforts in the mathematics education community to investigate the interaction of teachers and mathematics curriculum materials, but in light of the shift to an accountability policy climate in public education. In particular, this study sought to determine …


Number Sense Mediated By Mathematics Self-Concept In Impacting Middle School Mathematics Achievement, Lara K. Geronime Oct 2012

Number Sense Mediated By Mathematics Self-Concept In Impacting Middle School Mathematics Achievement, Lara K. Geronime

Dissertations (1934 -)

The purpose of the current study was to extend the research on number sense to the middle school level and to simultaneously consider socioemotional elements related to the construct at this developmental stage. Its genesis was initially rooted in an ongoing and dramatic emphasis by U.S. policymakers, researchers, and educators on improving mathematics achievement in order to compete globally in technology and innovation. Despite debates about optimal curriculum and instruction, tremendous support exists for the construct of number sense. However, middle school research examining the phenomena has been limited to intervention protocols targeting specific skillsets and better measurement of its …