Autism Spectrum Disorder (ASD) must be present early in development, but may not fully manifest until social demands exceed capacities. In the absence of adequate biological or brain imaging markers to detect and diagnose autism, diagnosis relies on clinical judgment based on observation of symptoms. Many tools have been developed in…

Studies into the role of audiovisual input and captions (i.e., subtitles in the same language as the audio) for L2 learning have shown that such input can positively influence L2 learners' acquisition of lexical items. Few studies have explored the effects of captioning on learners' capacity to segment the speech stream. This study investigates…

This study was part of a larger three-year investigation of the effectiveness of a small-group, content-focused (science, social studies) preschool shared book reading vocabulary intervention implemented with Spanish-speaking emergent bilinguals enrolled in a one-way dual-language bilingual program. A subset of bilingual preschool teachers (N =…

This case study explored Spanish-speaking educators' perceptions and experiences of dual-language immersion (DLI) professional learning (PL). The study aimed to understand how PL offerings could best support and meet the needs of DLI Spanish teachers' best practices in the target language. The perceptions and experiences of seven Spanish DLI…

The current study examined self-reported first language (Spanish) language reading and writing ability and behavior and relationships with digit span and stroop task performance. A battery of assessments and questionnaires was administered to 81 sequential Spanish-English bilingual university students in the U.S., for whom the sole language of…

Drawing from a qualitative approach and through individual "pláticas" (processes of co-constructing knowledge through dialogue) as a linguistic and cultural framework, this work explored informal contextual factors valued by Spanish-speaking Latina mothers of children, three to five years of age and enrolled in a nonprofit California…

This qualitative study explores the language ideologies of three elementary Spanish/English Dual Language teacher candidates (DLTCs) within the contexts of an elementary Teacher Education (ELTEP) program and their field placements in Dual Language Bilingual Education (DLBE) classrooms. Using language ideologies and Bourdieu's conceptualization of…

Purpose: This study used structural equation modeling to investigate the dimensionality of language in Spanish-English bilingual kindergartners. Five theoretical models were compared, including (a) a unidimensional model; (b) a two-dimensional model by language (Spanish, English); (c) a three-dimensional model by domain of language (phonology,…

The aim was to test the use of eye-tracking methodology for the early detection of ASD in a task of association between unfamiliar objects and pseudowords. Significant differences were found between ASD (n = 57) and TD (n = 57) Spanish speaking toddlers in the number and time of fixation. The TD children showed more and longer fixations on eyes…

This study investigates the effect of conventional and nonconventional expressions on listener comprehensibility. A forty-item comprehensibility test, including conventional expressions, interlanguage attempts, sociopragmatic deviances and alternative grammar constructions produced by French L2 (second language) speakers (N=27) was created.…

The purpose of this study was to investigate which of the available Spanish sentence tests U.S. audiologists currently utilize to evaluate Spanish-speaking cochlear implant candidates. An online questionnaire was created and distributed nationwide. A total of 25 audiologists reported using the Spanish HINT and Spanish AzBio. Limitations regarding…

This study examined the interrelationships among and combined effects of word reading skills and syntactic knowledge on reading prosody in fifth-grade monolingual Spanish-speaking students. We used Spanish standardized tests to assess the participants (n = 169, 79 girls) on word and pseudoword reading skills, syntactic knowledge, and reading…

Language ideologies can powerfully shape language learner perceptions and progress. This qualitative study investigated and reports findings based on analysis of interviews with 14 participants who self-identify as advanced users of Spanish. While dominant language ideologies in the U.S. often undermine learners reaching high levels of language…

The current research examined whether children's expectations about labeling conventions can be influenced by limited exposure to a foreign language. Three- to four-year-old Korean children were presented with two speakers who each assigned a novel label either in Korean or Spanish to a novel object. Children were asked whether both labels were…

This dissertation project aims to investigate (1) how three different L2 Spanish instructors treat vocabulary in their beginner Spanish course (SPA 1) depending on their teaching experience, and (2) how an instructor treats vocabulary in a beginner Spanish course during the three academic quarters of his first year of teaching at the university…