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Witenoff, Shalamit; Lazarowitz, Reuven – Research in Science and Technological Education, 1993
Presents samples of educational material adapted for laboratory use on the subject of the pH scale, dilution skills, and their relevance to biology. The experiments were developed for use in both ninth-grade heterogeneous and tracked classes in biology. Students were assessed for academic achievement in relation to their operational reasoning…
Descriptors: Academic Achievement, Biology, Developmental Stages, Educational Research
Peer reviewed Peer reviewed
Huppert, Jehuda; Lazarowitz, Reuven – Research in Science and Technological Education, 1990
In this study, students' achievement using three individualized audiotutorial (IAT) biology learning units was investigated. The method of instruction, gender, academic achievement in mathematics and biology, and students' IQ levels were compared. (KR)
Descriptors: Academic Achievement, Audiovisual Instruction, Biology, Individual Instruction
Peer reviewed Peer reviewed
Shemesh, Michal; Lazarowitz, Reuven – Research in Science and Technological Education, 1988
Examined the effects of Piagetian-like tasks' characteristics on the performance of those tasks by different age group students. Indicates the method of task presentation had an effect only on young students' performance, while numerical content had an effect on the majority of students in all grades. (Author/CW)
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Processes, Cognitive Tests