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Child Lang."],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The goals of this study were to analyze the growth and stability of vocabulary, mean length of the three longest utterances (MLLUw), and sentence complexity in European Portuguese-speaking children aged 1;4\u20132;6, to explore differences in growth as a function of personal and family-related variables, and to investigate the inter-relationships among the three language dimensions. Fifty-one European Portuguese-speaking toddlers were longitudinally assessed at 1;4, 1;9, 2;1, and 2;6, through parent reports. Exponential growth models best described acquisition patterns during this period, but the vocabulary growth accelerated across the full age-range, whereas the growth of grammar dimensions accelerated mainly after 1;9. High variability was observed in the scores, but the toddlers\u2019 relative positions were mostly stable over time. Gender approached significance as a predictor of vocabulary growth. Maternal educational level did not predict the growth of any of the three language dimensions. Both vocabulary and MLLUw predicted sentence complexity.<\/jats:p>","DOI":"10.1017\/s0305000919000060","type":"journal-article","created":{"date-parts":[[2019,3,14]],"date-time":"2019-03-14T11:28:42Z","timestamp":1552562922000},"page":"653-681","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":8,"title":["The development of vocabulary and grammar: a longitudinal study of European Portuguese-speaking toddlers"],"prefix":"10.1017","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8285-4824","authenticated-orcid":false,"given":"Irene","family":"CADIME","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5602-7171","authenticated-orcid":false,"given":"C\u00e9lia S.","family":"MOREIRA","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4758-7462","authenticated-orcid":false,"given":"Ana 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