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Direct linkPfirman, Stephanie; Hamilton, Lawrence; Turrin, Margie; Narveson, Craig; Lloyd, Carrie A. – Journal of Geoscience Education, 2021
This first analysis of aggregated data from the Kahoot! game-based player response system demonstrates that it can provide assessments of overall US student polar knowledge and identifies differences in polar knowledge across several states. A kahoot online quiz on polar topics recorded over 25,000 United States teacher-hosted classroom players…
Descriptors: Knowledge Level, Earth Science, Geographic Regions, Foreign Countries
Johnson, Matthew T.; Lipscomb, Stephen; Gill, Brian – Journal of Research on Educational Effectiveness, 2015
Teacher value-added models (VAMs) must isolate teachers' contributions to student achievement to be valid. Well-known VAMs use different specifications, however, leaving policymakers with little clear guidance for constructing a valid model. We examine the sensitivity of teacher value-added estimates under different models based on whether they…
Descriptors: Teacher Effectiveness, Teacher Influence, Academic Achievement, Models
