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Assaraf, Orit Ben-Zvi; Orion, Nir – Journal of Research in Science Teaching, 2005
The current study deals with the development of system thinking skills at the junior high school level. The sample population included about 50 eighth-grade students from two different classes of an urban Israeli junior high school who studied an earth systems-based curriculum that focused on the hydro cycle. The study addressed the following…
Descriptors: Thinking Skills, Skill Development, Junior High School Students, Grade 8

Lynch, P. P.; Ndyetabura, V. L. – Journal of Research in Science Teaching, 1983
Investigated importance, according to teachers (N=257), of a validated list of 10 aims for school practical work at three grade levels. Also investigated the orientation of students (N=724) toward these same aims (expressed as influences) and compared aims for teachers with influences as perceived by students. (Author/JN)
Descriptors: Educational Objectives, Foreign Countries, High Schools, Process Education

Adey, Philip S.; Harlen, Wynne – Journal of Research in Science Teaching, 1986
Describes an analysis of test items used to measure the science process skills of 11-year-olds in Great Britain. Concludes that the level of cognitive demand was a reliable predictor of the difficulty of an item. (TW)
Descriptors: Cognitive Development, Cognitive Processes, Concept Formation, Elementary Education