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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ570946
Record Type: CIJE
Publication Date: 1998
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
The Precision of Data Obtained in Large-Scale Science Assessments: An Investigation of Bootstrapping and Half-Sample Replication Methods.
Welch, Wayne W.; Huffman, Douglas; Lawrenz, Frances
Journal of Research in Science Teaching, v35 n6 p697-704 Aug 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, Program Evaluation, Science Curriculum, Science Education, Science Tests, Statistics, Student Evaluation
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A