Publication Date
| In 2025 | 0 |
| Since 2024 | 0 |
| Since 2021 (last 5 years) | 0 |
| Since 2016 (last 10 years) | 0 |
| Since 2006 (last 20 years) | 1 |
Descriptor
| Early Reading | 1 |
| Emergent Literacy | 1 |
| Environmental Influences | 1 |
| Feedback (Response) | 1 |
| Foreign Countries | 1 |
| Genetics | 1 |
| Grade 1 | 1 |
| Instructional Effectiveness | 1 |
| Kindergarten | 1 |
| Longitudinal Studies | 1 |
| Spelling | 1 |
| More ▼ | |
Source
| Learning and Individual… | 1 |
Author
| Byrne, Brian | 1 |
| Corley, Robin | 1 |
| DeFries, John C. | 1 |
| Hulslander, Jacqueline | 1 |
| Olson, Richard K. | 1 |
| Samuelsson, Stefan | 1 |
| Wadsworth, Sally | 1 |
| Willcutt, Erik G. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
Education Level
| Grade 1 | 1 |
| Kindergarten | 1 |
Audience
Location
| Australia | 1 |
| United States | 1 |
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewed
Direct linkSamuelsson, Stefan; Byrne, Brian; Olson, Richard K.; Hulslander, Jacqueline; Wadsworth, Sally; Corley, Robin; Willcutt, Erik G.; DeFries, John C. – Learning and Individual Differences, 2008
Genetic and environmental influences on early reading and spelling at the end of kindergarten and Grade 1 were compared across three twin samples tested in the United States, Australia, and Scandinavia. Proportions of variance due to genetic influences on kindergarten reading were estimated at 0.84 in Australia, 0.68 in the U.S., and 0.33 in…
Descriptors: Twins, Spelling, Early Reading, Genetics
