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Updated: Mar 6, 2026

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
Published on: September 17, 2019
Lifewide Learning for Early Reading Development
Amy Jo Dowd1, Elliott Friedlander2, Christine Jonason3
1Save-University Partnership for Education Research.
Children's reading skills improve with supportive home literacy environments and active participation in community reading activities. Interventions should address both micro-level learning environments for better literacy outcomes.
Area of Science:
- Education
- Development Studies
- Child Psychology
Background:
- Children's literacy is crucial for academic success and future opportunities.
- The home and community environments significantly influence early literacy development.
- Understanding these influences is key for designing effective educational interventions in low-resource settings.
Purpose of the Study:
- To investigate the relationship between children's reading abilities and their micro-level learning environments.
- To assess the impact of home literacy environments and community reading activities on reading scores.
- To inform the design of literacy interventions within the Literacy Boost program.
Main Methods:
- Longitudinal analysis of reading scores from 6,874 students across 424 schools in Africa and Asia.
- Examination of the home literacy environment (materials and habits) and community learning environment (reading activities).
- Statistical evaluation of the correlation between environmental factors and reading performance gains.
Main Results:
- A modest but consistent positive relationship was found between home literacy environments and students' reading scores.
- A strong positive relationship was observed between gains in reading scores and participation in community reading activities.
- Differential influences of home and community environments on reading outcomes were noted across diverse low-resource settings.
Conclusions:
- Both home and community learning environments play vital roles in children's reading development.
- Community reading activities show a particularly strong association with reading gains, suggesting high intervention potential.
- Literacy interventions should be tailored to leverage the specific strengths of both home and community contexts for optimal impact.
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