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Wilson, Courtney R.; Trautmann, Nancy M.; MaKinster, James G.; Barker, Barbara J. – Science Teacher, 2010
A new online tool called "Science Pipes" allows students to conduct biodiversity investigations. With this free tool, students create and run analyses that would otherwise require access to unwieldy data sets and the ability to write computer code. Using these data, students can conduct guided inquiries or hypothesis-driven research to…
Descriptors: Investigations, Ecology, Biodiversity, Animals
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Wang, Jianjun – School Science and Mathematics, 2011
As the largest international study ever taken in history, the Trend in Mathematics and Science Study (TIMSS) has been held as a benchmark to measure U.S. student performance in the global context. In-depth analyses of the TIMSS project are conducted in this study to examine key issues of the comparative investigation: (1) item flaws in mathematics…
Descriptors: Test Items, Figurative Language, Item Response Theory, Benchmarking
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Puonti, Anne – Mind, Culture, and Activity, 2004
Economic-crime investigation in Finland is in transition from hierarchically organized, sequential collaboration between authorities toward parallel, interorganizational collaboration. This article describes the tools used and developed for managing the new collaborative economic-crime-investigation process. The challenge is to find…
Descriptors: Investigations, Crime, Institutional Cooperation, Law Enforcement