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| Karplus, Robert | 4 |
| Kurtz, Barry | 1 |
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| Journal Articles | 2 |
| Reports - Research | 1 |
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Peer reviewedKarplus, Robert – Studies in Science Education, 1978
Cites reasons for the formation and continuance of the Intellectual Development Project ( IDP). The impact of IDP research is described. (CP)
Descriptors: Abstract Reasoning, Cognitive Development, College Science, Educational Research
Peer reviewedKurtz, Barry; Karplus, Robert – School Science and Mathematics, 1979
This research study shows that it is possible to advance the use of proportional reasoning of many secondary school students by means of a well-designed teaching program. (MP)
Descriptors: Abstract Reasoning, Algebra, Cognitive Development, Educational Research
Peer reviewedKarplus, Robert; And Others – Journal of Research in Science Teaching, 1977
Thirteen to fifteen year-old students from Denmark, Sweden, Italy, United States, Austria, Germany, and Great Britain were the subjects on this study of formal thought processes. Socioeconomic status, sex, and school organization provided additional categorization upon which the subjects were divided. Chi square analysis revealed some differences.…
Descriptors: Abstract Reasoning, Cognitive Development, Educational Research, Learning Theories
Peer reviewedKarplus, Robert; And Others – School Science and Mathematics, 1980
Reported is a study involving six group administered tasks concerning proportional, probablistic, and correlational reasoning with 505 students aged 11.5 to 20.0 years. Investigated were the effectiveness of the tasks for assessing formal reasoning; categories of classification for students' responses and implications for teaching are suggested by…
Descriptors: Abstract Reasoning, Cognitive Development, Elementary Secondary Education, Higher Education
