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Peer reviewedWestbrook, Susan L.; Rogers, Laura N. – Journal of Research in Science Teaching, 1994
Students (n=46) were assigned to one of three instructional groups (descriptive, question design, and hypothesis testing) to test the hypothesis that descriptive learning cycles are not sufficient to stimulate students to reason at a formal operational level. Analyses indicated that the hypothesis-testing group exhibited a significant increase on…
Descriptors: Developmental Stages, Educational Research, Formal Operations, Junior High Schools
Peer reviewedLawson, Anton E. – Journal of Research in Science Teaching, 1986
Reviews the neural modeling principles of learning, perception, cognition, and motor control, discusses their applications to sensory-motor problem solving, and explores possible relationships between that pattern of problem solving and aspects of higher order formal operational problem solving. Cites implications for science education. (ML)
Descriptors: Cognitive Development, Cognitive Processes, Developmental Stages, Elementary Education
Download full textNiaz, Mansoor – 1989
A large proportion of college students majoring in science are unable to translate even simple sentences into algebraic equations. Given the following sentence, "There are six times as many students (S) as professors (P) at this university," 37% of 150 freshmen engineering students in a study conducted in 1981 by Clement, Lockhead, and Monk wrote…
Descriptors: Chemistry, College Science, Computational Linguistics, Developmental Stages
Adey, Phillip; Shayer, Michael – 1988
In an attempt to accelerate the development of formal operations in average young adolescents, up to 30 intervention lessons relating to all formal schemata were given by science teachers, over a period of 2 years, to classes in eight British schools. Boys starting the program aged 12 years-plus showed a pre-test, post-test effect size on…
Descriptors: Adolescents, Age Differences, Cognitive Processes, Developmental Stages
Bitner, Betty L. – 1989
The purpose of this descriptive study was to investigate the developmental patterns in logical reasoning of students in grades 6-10 over a span of 20 months. The Group Assessment of Logical Thinking (GALT) was administered to the sample (N=84) during the fall of 1986, the fall of 1987, and the spring of 1988. The GALT measures six reasoning modes:…
Descriptors: Cognitive Development, Cognitive Processes, Concept Formation, Conservation (Concept)
Peer reviewedShayer, Michael; Adey, Philip S. – Journal of Research in Science Teaching, 1993
Three years after end of 2-year intervention program intended to promote formal operational thinking, achievement of students initially age 11 was tested by their results on British National examinations, taken at age 16 (experimental group n=88, control group n=103). In comparison with control classes, the effect size for science was 0.67,…
Descriptors: Academic Achievement, Developmental Stages, Educational Research, Effect Size
