A tension exists between rationalists and empiricists regarding the nature of knowledge: innate then activated/discovered (rationalists) or constructed then invented (empiricists). The assumption is that, to a certain extent, basic knowledge seems to be innate in our mind and develops through experience by thinking processes to construct meanings.…

The goal of this study was to investigate the development of mental lexicon organization among typical and dyslexic native Arabic readers. The participants included 271 students, divided into dyslexic readers, age-matched typical readers, and typical readers 2 years younger. The lexical status of root and pattern morphemes was examined using two…

Much crosslinguistic acquisition research explores finiteness marking in typical development and Specific Language Impairment (SLI). Research into Russian, however, has focused on typical acquisition, not SLI. This article presents a first attempt to investigate finiteness marking in monolingual Russian-speaking children with SLI. We test two…

Purpose: The finite verb morphology composite (FVMC) is a valid measure for charting children's tense development and for differentiating children with and without language impairment during preschool and early elementary years. However, it is unclear whether FVMC scores vary as a function of language sample elicitation contexts. The current study…

Purpose: We investigated the finite verb morphology composite (FVMC), a measure associated with developmental language disorder (DLD), in a large community sample to provide evidence on its distribution, its association with other variables, and its sensitivity and specificity. Method: We coded percent occurrence of FVMC morphemes in obligatory…

The Mayan language Mam uses complex predicates to express events. Complex predicates map multiple semantic elements onto a single word, and consequently have a blend of lexical and phrasal features. The chameleon-like nature of complex predicates provides a window on children's ability to express phrasal combinations at the one-word stage of…

Given the rich bound morphology of Spoken Arabic, an attempt was made here to construct a developmental measure corresponding to the mean length utterance (MLU) in English and to morpheme-per-utterance (MPU) in Hebrew. The adaptation to Arabic resulted in a new measurement termed Arabic-MPU, that was experimentally tested on a sample of 98…

This paper is an attempt to present the morphological processes that have been observed in Sanzari Boro, an eastern variety of the Boro language. Boro belongs to the Tibeto-Burman language family. The Standard variety of Boro is mainly spoken in the present Bodoland Territorial Region (BTR) of Assam, India but Sanzari Boro speakers primarily…

The acquisition of verb morphology is often studied using categorical criteria for determining the productivity of a morpheme. Applying this approach to Japanese, an agglutinative language, this study finds no consistent order for morpheme acquisition and that productivity could be explained by sampling effects. To examine morpheme acquisition…

Heritage speakers (HS) have been shown to experience difficulties with inflectional morphology (particularly with irregular morphology) and to frequently overapply regular morphology. The present study seeks to get further insight into the inflectional processes of HS by investigating how these are generalized to nonce words in language…

This study examines the effect of the lexical aspect on the use of the English simple past temporal morphology by Saudi learners of English as a foreign language (EFL), with a particular reference to the Aspect Hypothesis (AH). Data were gathered from 54 Saudi undergraduate EFL learners from five levels (L3-L7), using a production task and a…

This study examines the learning patterns of intermediate and advanced Korean learners in the acquisition of causative expressions according to their proficiency and the causative sentence type. We measured their grammatical knowledge using three types of grammaticality judgment tasks (GJTs) and self-paced reading tasks (SPRTs) differing in time…

This mixed methods study draws upon theoretical perspectives from usage-based linguistics (UBL) and variationist sociolinguistics to explore four learners' use of second language (L2) Spanish present tense indicative verbal inflectional morphology (i.e., simple present conjugations). The study compares the frequency and distribution of students'…

Purpose: This study investigated the production of tense and subject-verb agreement in Palestinian Arabic-speaking children with developmental language disorder (DLD) in comparison to their typically developing (TD) peers in terms of (a) performance accuracy and (b) error patterns. Method: Participants were 14 children with DLD aged 4;0-7;10 and…

The aim of the current study is to determine the distribution of verb valency-driven errors of secondary school students. To this end, this study is framed as a survey research. The sample of the study consists of 200 secondary school students in three schools with different socioeconomic levels. The content and teaching of morphological verb…