Background: Spelling is a prevalent strategy to teach children to read. However, research on the mechanism underlying the contribution of spelling to reading comprehension in Chinese children is limited. Methods: The primary aim of this study was to investigate the concurrent and longitudinal associations between spelling and reading comprehension…

Although a "semantic receptive-expressive gap" appears to be a universal feature of early bilingualism, little is known about its development. We sought to determine if the magnitude of the discrepancy between receptive and expressive standard scores changed over time in bilingual children's two languages. In this longitudinal study,…

Research has revealed that the academic performances of learners in South Africa are below the required level. The Western Cape Education Department (WCED) launched the literacy and numeracy strategy 2006-2016 in response to the low literacy and numeracy levels. In addition, the WCED introduced the Grade 1 baseline assessment in 2006, as part of…

Genetic and environmental relations between vocabulary and reading skills were explored longitudinally from preschool through Grades 2 and 4. At preschool there were strong shared-environment and weak genetic influences on both vocabulary and print knowledge but substantial differences in their source. Separation of etiology for vocabulary and…

This study is the first randomized study of the impacts of the vocabulary instruction program Kindergarten PAVEd for Success (K-PAVE) (Hamilton and Schwanenflugel 2011) on low-income students in kindergarten and grade 1. The study has two components. The first component is a test of the impacts of one year of the K-PAVE vocabulary instruction in…