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Falk, John H.; Storksdieck, Martin – Journal of Research in Science Teaching, 2010
Most people visit a science center in order to satisfy specific leisure-related needs; needs which may or may not actually include science learning. Falk proposed that an individual's identity-related motivations provide a useful lens through which to understand adult free-choice science learning in leisure settings. Over a 3-year period the…
Descriptors: Science Education, Prior Learning, Data Collection, Data Analysis
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Welch, Wayne W.; Huffman, Douglas; Lawrenz, Frances – Journal of Research in Science Teaching, 1998
Argues that science educators often face the problem of abnormal distributions when conducting large-scale assessments or evaluating national curriculum projects that require complex sampling plans. Examines the precision of science test scores. (DDR)
Descriptors: Data Analysis, Data Collection, Elementary Secondary Education, Evaluation Methods