Descriptor
| Cognitive Development | 2 |
| Formal Operations | 2 |
| Problem Solving | 2 |
| Ratios (Mathematics) | 2 |
| Science Instruction | 2 |
| Abstract Reasoning | 1 |
| Algorithms | 1 |
| Cognitive Processes | 1 |
| Grade 9 | 1 |
| High School Students | 1 |
| High Schools | 1 |
| More ▼ | |
Source
| Science Education | 1 |
Publication Type
| Reports - Research | 2 |
| Journal Articles | 1 |
| Speeches/Meeting Papers | 1 |
Education Level
Audience
| Practitioners | 1 |
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedRaven, Ronald J. – Science Education, 1987
Discusses a study which compared differences in ratio construction made by high school freshman and junior students. Reports that more freshmen than juniors selected solutions involving one variable, whereas juniors chose solutions that coordinated two variables in a mathematical or verbal rule. Reviews implications in problem solving and concept…
Descriptors: Cognitive Development, Cognitive Processes, Formal Operations, Instructional Improvement
PDF pending restorationFleener, M. Jayne; And Others – 1993
Higher order cognitive development and success in the study of high school mathematics and science require an understanding of rational number concepts and facility with proportional reasoning and computation. Proportional reasoning is an essential schema for developing formal operational thought. This study involving 16 ninth-grade students was…
Descriptors: Abstract Reasoning, Algorithms, Cognitive Development, Formal Operations
