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Lee, Hee-Sun; Liu, Ou Lydia; Linn, Marcia C. – Applied Measurement in Education, 2011
This study explores measurement of a construct called knowledge integration in science using multiple-choice and explanation items. We use construct and instructional validity evidence to examine the role multiple-choice and explanation items plays in measuring students' knowledge integration ability. For construct validity, we analyze item…
Descriptors: Knowledge Level, Construct Validity, Validity, Scaffolding (Teaching Technique)
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National Center for Education Statistics, 2011
Guided by a new framework, the NAEP science assessment was updated in 2009 to keep the content current with key developments in science, curriculum standards, assessments, and research. The 2009 framework organizes science content into three broad content areas. Physical science includes concepts related to properties and changes of matter, forms…
Descriptors: Academic Achievement, Comparative Analysis, Curriculum Development, Ethnic Groups
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National Center for Education Statistics, 2012
A representative sample of 122,000 eighth-graders participated in the 2011 National Assessment of Educational Progress (NAEP) science assessment, which is designed to measure students' knowledge and abilities in the areas of physical science, life science, and Earth and space sciences. This report covers the overall results, achievement level…
Descriptors: Achievement Gap, Comparative Analysis, Economic Status, Educational Assessment
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Schrein, Caitlin M.; Lynch, John M.; Brem, Sarah K.; Marchant, Gary E.; Schedler, Karen K.; Spencer, Mark A.; Kazilek, Charles J. – Journal of Effective Teaching, 2009
This paper summarizes the content and results of a workshop about the teaching of evolution presented to public middle school and high school science teachers by individuals involved both in university education and the professional development of teachers. The goals of the workshop were to: (1) provide teachers with knowledge and resources to…
Descriptors: Workshops, College Science, High Schools, Middle Schools
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Holiday, Susan – Science Scope, 2003
The southwestern United States is experiencing the third year of a perhaps long-term drought. Many places in the West are considered desert, with less than 10 inches of rainfall per year. Because of local drought conditions, conservation of water is essential. Leupp, Arizona, where the author teaches, is situated on the Colorado Plateau, a region…
Descriptors: Navajo (Nation), Soil Science, Ecology, Horticulture