Developmental difference is a common characteristic of autism spectrum disorder (ASD) with unclear sex differences. The current study included 610 children with ASD, aged between 2 and 7 years, with completed language profiles. We used a nonparametric item response theory model called Mokken scale analysis to examine the order of acquisition of…

This study investigates the levels of social language and vocabulary characteristics of three- to six-year-old children with autism in Vietnam. The research is based on analysis of the developmental assessment reports of 151 children with autism, and 42 parents' reports on their children's vocabulary (recorded using the Child Word Inventory form).…

Background: Accurate and meaningful assessment of language and communication skills to monitor child progress is the cornerstone to appropriate intervention for children with complex communication needs (CCN; Brady et al., 2016; Rowland et al., 2012). Despite this need, there is a lack of high quality and validated measurement of young children…

Although it has been found that autistic children exhibit delays in executive function abilities and atypical patterns of attention, less is known about the relationship between executive function and attention abilities and social and language skills in early childhood. In this study, 180 autistic children, age 2-8 years, participated in a study…

This study investigates relationships between acquisition of exhaustivity in single and multiple "wh"-questions, mastery of semantic and pragmatic aspects of quantifier comprehension, and general skills in receptive grammar. The participants of the study were 25 Polish monolingual typically developing children aged 4;02-6;02, who were…