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Eastwood, Jennifer Lynne; Sadler, Troy D.; Zeidler, Dana L.; Lewis, Anna; Amiri, Leila; Applebaum, Scott – International Journal of Science Education, 2012
The purpose of this study was to investigate the effects of two learning contexts for explicit-reflective nature of science (NOS) instruction, socioscientific issues (SSI) driven and content driven, on student NOS conceptions. Four classes of 11th and 12th grade anatomy and physiology students participated. Two classes experienced a curricular…
Descriptors: Science Instruction, Scientific Principles, Science and Society, Scientific Literacy
Ingels, Steven J.; Herget, Deborah; Pratt, Daniel J.; Dever, Jill; Copello, Elizabeth; Leinwand, Steve – National Center for Education Statistics, 2010
This report examines the results of the field test for the base year of the High School Longitudinal Study of 2009 (HSLS:09). The general purposes of the field test were, in anticipation of the base-year full-scale effort, to test instruments, forms, and procedures; to experiment with different approaches to questionnaire content and survey…
Descriptors: Longitudinal Studies, Field Tests, Sampling, Data Collection
Shaw, Frederic E., Ed. – Centers for Disease Control and Prevention, 2008
The "Morbidity and Mortality Weekly Report" ("MMWR") Series is prepared by the Centers for Disease Control and Prevention (CDC). Data in the weekly "MMWR" are provisional, based on weekly reports to CDC by state health departments. This issue of "MMWR" contains the following studies: (1) Youth Risk Behavior…
Descriptors: Death, Heart Disorders, Acquired Immunodeficiency Syndrome (AIDS), Sexually Transmitted Diseases