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Peer reviewedBrown, C. R.; Njabili, A. F. – Research in Science and Technological Education, 1989
Explores the concept of construct validity in the context of a public examination. Multitrait-multimethod analysis and factor analysis were used. Discusses the analyses in terms of theory versus practical components and experimental versus observational investigation in practical components. Sample items for the practical examinations are…
Descriptors: Biology, Construct Validity, Factor Analysis, Foreign Countries
Download full textMarshall, James E. – 1991
Science process skills are described as a set of broadly transferable abilities, appropriate to all of the science disciplines and reflective of the true behavior of scientists. While science process skills have gained wide acceptance as an integral part of the science curricula, the development of valid and reliable instruments to assess those…
Descriptors: Construct Validity, Educational Assessment, Formative Evaluation, Grade 7
