Learning collocations poses difficulties for foreign language learners despite their importance for fluency in the target language. Collocation learning and teaching should therefore be an integral part of foreign language instruction. With a focus on the receptive knowledge of collocations, this 5-week-long pretest/posttest quasi-experimental…

The purpose of this study was to examine how classroom language contexts characterized by peer language skills and proportions of dual language learners (DLL) influenced English language development for DLL and non-DLL children. Participants were 2,131 children from 135 classrooms across preschool through Grade 3. Children were classified into…

The present study examined the longitudinal associations among birth weight status, maternal warmth, and children's cognitive competence within an at-risk sample (N = 1809) drawn from the Fragile Families and Child Wellbeing study. Of particular interest was whether birth weight moderated the associations between maternal warmth and indicators of…

The aim of this study was to identify the effectiveness of a mobile application in vocabulary knowledge improvement of English as a Foreign Language (EFL) learners. This study adopted a quasi-experimental research design consisting of an experimental and a control group with 73 participants studying at two state universities in Turkey. During the…

Understanding differences in oral language abilities is vital, particularly for children from low-income homes and minority children who are at an increased risk for academic failure because of differences or deficits in language use or exposure before they enter school. The purpose of this study was to investigate oral language performance,…

Background: Children with language impairment (LI) show heterogeneity in development. We tracked children from pre-school to middle childhood to characterize three developmental trajectories: resolving, persisting and emerging LI. Methods: We analyzed data from children identified as having preschool LI, or being at family risk of dyslexia,…

This study explored the effects of an evidence-based literacy program, ABRACADABRA, on the spelling abilities of children with autism spectrum disorder (ASD). Twenty children with ASD aged 5-11 years were assigned to matched instruction and waitlist control groups. Children in the instruction group received 26 hrs of individualized, home-based…

A review of the literature on a variety of issues related to testing vocabulary knowledge in a second language addresses these topics: problems in estimating vocabulary size, including the related questions of what constitutes a word, how a sample should be selected, and what are the criteria for knowing a word; sampling the basic and specialized…