Publication Date
In 2024 | 0 |
Since 2023 | 0 |
Since 2020 (last 5 years) | 0 |
Since 2015 (last 10 years) | 2 |
Since 2005 (last 20 years) | 2 |
Descriptor
Arithmetic | 2 |
Computation | 2 |
Knowledge Level | 2 |
Middle School Students | 2 |
Statistical Analysis | 2 |
Accuracy | 1 |
College Students | 1 |
Comparative Analysis | 1 |
Concept Formation | 1 |
Educational Experiments | 1 |
Foreign Countries | 1 |
More ▼ |
Source
Journal of Educational… | 2 |
Author
Lortie-Forgues, Hugues | 2 |
Siegler, Robert S. | 2 |
Publication Type
Journal Articles | 2 |
Reports - Research | 2 |
Education Level
Junior High Schools | 2 |
Middle Schools | 2 |
Secondary Education | 2 |
Higher Education | 1 |
Postsecondary Education | 1 |
Audience
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Lortie-Forgues, Hugues; Siegler, Robert S. – Journal of Educational Psychology, 2017
In 2 studies (Ns = 55 and 54), the authors examined a basic form of conceptual understanding of rational number arithmetic, the direction of effect of decimal arithmetic operations, at a level of detail useful for informing instruction. Middle school students were presented tasks examining knowledge of the direction of effects (e.g., "True or…
Descriptors: Arithmetic, Middle School Students, Knowledge Level, Computation
Siegler, Robert S.; Lortie-Forgues, Hugues – Journal of Educational Psychology, 2015
Understanding an arithmetic operation implies, at minimum, knowing the direction of effects that the operation produces. However, many children and adults, even those who execute arithmetic procedures correctly, may lack this knowledge on some operations and types of numbers. To test this hypothesis, we presented preservice teachers (Study 1),…
Descriptors: Arithmetic, Mathematics Education, Knowledge Level, Hypothesis Testing