Bilingual Vocabulary Development in Mexican Indigenous Infants: The Effects of Language Exposure from Home and Mothers' Language Dominance

被引:0
作者
Mulik, Stanislav [1 ,2 ]
Arias-Trejo, Natalia [2 ]
机构
[1] Penn State Univ, Dept Spanish Italian & Portuguese, University Pk, PA 16802 USA
[2] Univ Nacl Autonoma Mexico, Fac Psychol, Psycholinguist Lab, Mexico City, Mexico
关键词
early language development; bilingual vocabulary; Indigenous bilingualism; language contact; minority language; desarrollo temprano del lenguaje; vocabulario biling & uuml; e; biling & uuml; ismo ind & iacute; gena; contacto ling & uuml; & iacute; stico; lengua minoritaria; TODDLERS EXPRESSIVE VOCABULARY; CONCEPTUAL VOCABULARY; PRODUCTIVE VOCABULARY; SOCIOECONOMIC-STATUS; LEXICAL DEVELOPMENT; ENGLISH; SPANISH; INPUT; LITERACY; CHILDREN;
D O I
10.1017/S0305000924000667
中图分类号
B844 [发展心理学(人类心理学)];
学科分类号
040202 ;
摘要
This study evaluates how language exposure and mothers' language dominance relate to infants' early bilingual vocabulary development in a low-socioeconomic status (SES) sample from an understudied population: Mexican Indigenous bilinguals. Thirty-two mother-child dyads participated. All mothers were bilingual speakers of Spanish and one of Mexican Indigenous languages, including Zapotec, Mixtec, and Otomi. Infants' (between 16 and 37 months) vocabulary size was estimated in both languages using the Mexican Spanish version of the MacArthur-Bates CDI II. Infants' language exposure, mothers' bilingual profile, and their SES were estimated on numerical scales. The results of Spearman correlations showed infants' vocabulary size in Spanish grows with age, while their vocabulary in the Indigenous language depends on relative language exposure. Mothers' language dominance correlated with Indigenous language exposure and infants' vocabulary size in the Indigenous language. These findings are discussed in the context of early bilingual vocabulary acquisition in speakers of minority languages. Este estudio eval & uacute;a c & oacute;mo la exposici & oacute;n a la lengua y la dominancia ling & uuml;& iacute;stica de las madres se relacionan con el desarrollo temprano del vocabulario biling & uuml;e de los/las beb & eacute;s en una muestra de nivel socioecon & oacute;mico bajo de una poblaci & oacute;n poco estudiada: biling & uuml;es ind & iacute;genas mexicanos. Treinta y dos d & iacute;adas madre-hijo/hija participaron en el estudio. Todas las madres eran hablantes biling & uuml;es de espa & ntilde;ol y una de las lenguas ind & iacute;genas mexicanas, incluyendo zapoteco, mixteco y otom & iacute;. Los/las beb & eacute;s ten & iacute;an entre 16 y 37 meses de edad y se estim & oacute; el tama & ntilde;o de su vocabulario en ambas lenguas utilizando la versi & oacute;n en espa & ntilde;ol mexicano del CDI II de MacArthur-Bates. La exposici & oacute;n ling & uuml;& iacute;stica de los/las beb & eacute;s desde el hogar, el perfil biling & uuml;e de las madres y su estatus socioecon & oacute;mico se estimaron en escalas num & eacute;ricas. Los resultados de las correlaciones de Spearman mostraron que el vocabulario de los/las beb & eacute;s en espa & ntilde;ol crece con la edad, mientras que su vocabulario en la lengua ind & iacute;gena depende de su exposici & oacute;n relativa a esta lengua. La dominancia ling & uuml;& iacute;stica de las madres se correlacion & oacute; con la exposici & oacute;n a la lengua ind & iacute;gena y el tama & ntilde;o del vocabulario de los/las beb & eacute;s en la lengua ind & iacute;gena. Estos resultados se discuten en el contexto de la adquisici & oacute;n temprana de vocabulario biling & uuml;e en hablantes de lenguas minoritarias.
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页数:25
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