This longitudinal study involving 101 Dutch four- and five-year-olds charts indirect request (IR) and mental state term (MST) understanding and investigates the role that Theory of Mind (ToM) and general linguistic ability (vocabulary, syntax, and spatial language) play in this development. The results showed basic understanding of IR and MST in…

Background: Little is known about the nature, range and prevalence of different subgroups in language trajectories extant in a population from 4 to 11 years. This hinders strategic targeting and design of interventions, particularly targeting those whose difficulties will likely persist. Methods: Children's language abilities from 4 to 11 years…

Purpose: The present study investigated the effects of selected measures of language experience (parent-reported estimates of frequency of output and language use) and language ability (parent-reported language proficiency and mean length of utterance in words) on the segmental accuracy of Spanish- and English-speaking bilingual children. Method:…

This study investigated the unique contributions of joint attention, imitation, and toy play to language ability and rate of development of communication skills in young children with autism spectrum disorder (ASD). Sixty preschool-aged children with ASD were assessed using measures of joint attention, imitation, toy play, language, and…

Fifty-four students were tested at specific time intervals over 10 years to determine best native language (NL) predictors of oral and written foreign language (FL) proficiency and FL aptitude. All participants completed two years of Spanish, French, or German. Each was administered measures of NL literacy, oral language, and cognitive ability in…

Studies in the area of developmental psychology--especially those carried out in the past thirty years--show that preschool quality, both at the structural and process levels, in combination with the quality of the family environment influences various areas of children's development and learning. The goal of this study is to determine the effect…

This comparison of 15 successful and 15 unsuccessful college foreign-language learners found significant intergroup differences in performance on the Modern Language Aptitude Test, tests of written and oral language in the syntactic and phonological domains, and math calculation. Results suggest that students with foreign language learning…

A British longitudinal study of language acquisition was followed up for further information on the relationship between language acquisition, language aptitude, and second language learning. One of the original cohorts (n=23), now in secondary school, was originally studied for native language learning achievement and was now being studied for…

Two studies at the Defense Language Institute (California) investigated the contribution of several variables to prediction of post-language-training proficiency: (1) scores on a general vocational aptitude battery and a language aptitude battery, both used to screen potential students; (2) scores on other cognitive measures not used in the…