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) | 3 |
Descriptor
Author
| Byrne, Brian | 1 |
| Clements, Douglas H. | 1 |
| Kakopsitou, Polina | 1 |
| Keenan, Janice M. | 1 |
| Olson, Richard K. | 1 |
| Samuelsson, Stefan | 1 |
| Sarama, Julie | 1 |
| Szilagyi, Janka | 1 |
| Triga, Anastassia | 1 |
Publication Type
| Journal Articles | 3 |
| Reports - Research | 2 |
| Reports - Evaluative | 1 |
Education Level
| Early Childhood Education | 3 |
| Grade 1 | 3 |
| Grade 2 | 3 |
| Preschool Education | 3 |
| Elementary Education | 2 |
| Kindergarten | 2 |
| Grade 4 | 1 |
Audience
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewed
Direct linkOlson, Richard K.; Keenan, Janice M.; Byrne, Brian; Samuelsson, Stefan – Scientific Studies of Reading, 2014
Modern behavior-genetic studies of twins in the United States, Australia, Scandinavia, and the United Kingdom show that genes account for most of the variance in children's reading ability by the end of the 1st year of formal reading instruction. Strong genetic influence continues across the grades, though the relevant genes vary for reading words…
Descriptors: Reading Skills, Skill Development, Child Development, Genetics
Szilagyi, Janka; Clements, Douglas H.; Sarama, Julie – Journal for Research in Mathematics Education, 2013
This study investigated the development of length measurement ideas in students from prekindergarten through 2nd grade. The main purpose was to evaluate and elaborate the developmental progression, or levels of thinking, of a hypothesized learning trajectory for length measurement to ensure that the sequence of levels of thinking is consistent…
Descriptors: Elementary School Mathematics, Thinking Skills, Cognitive Processes, Young Children
Triga, Anastassia; Kakopsitou, Polina – Reading Matrix: An International Online Journal, 2010
The purpose of this study was to develop a new Greek phonological awareness test for preschool and primary school age children (ages 5-7) in Greece and Cyprus. A new phonological awareness test with 168 items was individually administered to 132 students (60 students in Cyprus and 72 students in Greece) from five urban, five semi-rural, and three…
Descriptors: Phonology, Phonological Awareness, Foreign Countries, Test Construction
