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Peer reviewedLock, Roger – Research in Science and Technological Education, 1990
Investigated are the context dependency and construct validity of practical skill assessment in science which may include the skills of observing, manipulating, planning, interpreting, reporting, and self-reliance. Pupil performance on a variety of practical tasks were compared with external examination grades in biology and chemistry. (CW)
Descriptors: Academic Achievement, Biology, Chemistry, Content Validity
Peer reviewedPugh, Malcolm; Lock, Roger – Research in Science and Technological Education, 1989
The development of a framework for analyzing pupil talk is described and the reliability of scoring transcribed conversions using the framework discussed. Definitions and examples of the terms used in the framework are appended. (Author/YP)
Descriptors: Biology, Foreign Countries, Group Discussion, Interrater Reliability
Peer reviewedLock, Roger – Research in Science and Technological Education, 1989
Reported is a study of the relationships between the component skills involved in practical work assessment. Skills assessed included observing, manipulating, planning, interpreting, reporting, and self-reliance. The literature relating to inter-skill relationships is reviewed. (CW)
Descriptors: Classroom Techniques, Evaluation Criteria, Evaluation Methods, Intermode Differences
Peer reviewedPickersgill, Stephen; Lock, Roger – Research in Science and Technological Education, 1991
Student understanding of 30 nontechnical words used in science was investigated. No significant differences were found between the understanding of nontechnical words in science or between the verbal reasoning ability of males (n=108) and females (n=89). Of the four different question formats, students had the most difficulty with the synonym…
Descriptors: Cognitive Development, Context Effect, Knowledge Level, Science Education
