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Yore, Larry D. – Journal of Research in Science Teaching, 1984
Explored Morine and Morine's ("Discovery: A Challenge to Teachers") assumptions regarding age and cognitive development of students (N=174) successfully utilizing structured inductive and semi-deductive inquiry strategies. One finding noted is that age has made a significant difference on achievement for both strategies. Implications for…
Descriptors: Academic Achievement, Age, Cognitive Development, Elementary Education

Eckstein, Shulamith G.; Shemesh, Michal – Journal of Research in Science Teaching, 1992
Proposes a theoretical model of cognitive development and applies this model to the secondary analysis of two large-scale studies which focus on the acquisition of formal operational schemata by adolescents in the United States and Israel. Results support the "unity" hypothesis of cognitive development that the various schemata of formal…
Descriptors: Age Differences, Cognitive Development, Developmental Stages, Elementary Secondary Education

Niaz, Mansoor; Lawson, Anton E. – Journal of Research in Science Teaching, 1985
Tested two hypotheses: (1) formal reasoning is required to balance simple one-step equations; and (2) formal reasoning plus sufficient mental capacity are required to balance many-step equations. Independent variables included intellectual development, mental capacity, and degree of field dependence/independence. With 25 subjects, significance was…
Descriptors: Chemistry, Cognitive Ability, Cognitive Development, College Science

Atwater, Mary M.; Alick, Bonita – Journal of Research in Science Teaching, 1990
Investigated was the level of cognitive development of Afro-American students enrolled in general chemistry courses to determine the strategies used by both successful and unsuccessful problem solvers in solving stoichiometry problems. Results indicated that a higher level of cognitive development may be crucial in solving more sophisticated…
Descriptors: Blacks, Chemistry, Cognitive Development, College Science

Cohen, Herbert G. – Journal of Research in Science Teaching, 1985
Investigated spatial thinking abilities of sixth- and tenth-grade students from two locales--a school on the Navajo reservation and schools in Mesa, Arizona. Overall findings support the contention that there were no substantial time delays or advances in development of selected spatial abilities of Navajo students compared to parallel non-Indian…
Descriptors: Cognitive Development, Cognitive Processes, Cultural Differences, Higher Education

Lawson, Anton E. – Journal of Research in Science Teaching, 1985
Examines research in developmental psychology and science education that has attempted to assess the validity of Piaget's theory of formal thought and its relation to educational practice. Position papers (with little or no empirical support) are not included. (Author/JN)
Descriptors: Academic Achievement, Cognitive Development, Cognitive Processes, Developmental Stages

Niaz, Mansoor – Journal of Research in Science Teaching, 1989
Investigated was the relation between student ability to translate sentences into equations, equations into sentences, and student performance in formal operational reasoning, proportional reasoning, and introductory-level chemistry. Results indicate that students who lack formal operational skills may experience problems in the translation of…
Descriptors: Academic Achievement, Algebra, Chemistry, Cognitive Development

Zeidler, Dana L. – Journal of Research in Science Teaching, 1985
Specific modes of formal reasoning and measurements of principled moral reasoning ability were obtained from 99 10th-grade students. Hierarchical relationships were found amoung variables with combinatorial and correlational reasoning accounting for 22 percent of the variance in principled moral reasoning. Theoretical and educational implications…
Descriptors: Cognitive Development, Cognitive Processes, Cognitive Structures, Developmental Stages

Roadrangka, Vantipa; Yeany, Russell H. – Journal of Research in Science Teaching, 1985
Data from 60 observations of 10 teachers and 10 each of their students showed that type/quality of teaching strategy predicted 37 percent of variance in engagement and that the more indirect the teaching strategy, the greater the students' involvement in learning tasks. Implications of these and other findings are discussed. (Author/JN)
Descriptors: Abstract Reasoning, Cognitive Development, Developmental Stages, Intermediate Grades

Cohen, Herbert G. – Journal of Research in Science Teaching, 1984
Investigated what effects two instructional strategies (related to student use of manipulative materials) would have on second-grade students' (N=96) development of logical structures. Also examined the effects of sex on logical development. Results indicate that supplying manipulative materials alone is not adequate in promoting development of…
Descriptors: Cognitive Development, Elementary School Science, Grade 2, Manipulative Materials

Stavy, Ruth – Journal of Research in Science Teaching, 1990
Examined were children's conception of changes in the state of matter and their understanding of the reversibility of the process. The relationship between children's intuitive ideas about matter, as observed in this study, and their logical ability to conserve weight is discussed. (CW)
Descriptors: Change, Cognitive Development, Conservation (Concept), Elementary School Science

Gipson, Michael H.; And Others – Journal of Research in Science Teaching, 1989
Presented is a study in which students' intellectual reasoning development was evaluated following instruction that emphasized formal operations in a traditional lecture format. Results indicated that formal-operational students had significantly more success in the three reasoning areas than transitional students and transitional students had…
Descriptors: Biological Sciences, Cognitive Development, College Science, Formal Operations

Mintzes, Joel J. – Journal of Research in Science Teaching, 1989
Presented is a criticism of Lawson's (1988) article on the development of misconceptions of biological concepts. Lawson's response to this criticism follows. (CW)
Descriptors: Biological Sciences, Cognitive Development, Criticism, Elementary School Science

Niaz, Mansoor; Robinson, William R. – Journal of Research in Science Teaching, 1992
Investigates the effect that manipulation of the extent of formal reasoning required for solving chemistry problems has upon student performance, and presents a cognitive model for the qualitative analysis of that effect. Concludes that the developmental level of students is the most important predictor of problem-solving success given significant…
Descriptors: Chemistry, Cognitive Ability, Cognitive Development, Cognitive Measurement

Yap, Kueh Chin; Yeany, Russell H. – Journal of Research in Science Teaching, 1988
Reports on a study designed to identify the hierarchical relationships among Piagetian cognitive modes and integrated science process skills for different Piagetian cognitive reasoning levels, and to determine whether positive vertical transfers could be validated. (TW)
Descriptors: Cognitive Development, Developmental Stages, Piagetian Theory, Process Education