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Subjective ratings of age-of-acquisition: exploring issues of validity and rater reliability
Stockholm University, Faculty of Humanities, Department of Linguistics, Phonetics. Karolinska Institutet, Sweden.ORCID iD: 0000-0003-4256-2119
Stockholm University, Faculty of Humanities, Department of Linguistics, Computational Linguistics.ORCID iD: 0000-0002-9447-8544
2019 (English)In: Journal of Child Language, ISSN 0305-0009, E-ISSN 1469-7602, Vol. 46, no 2, p. 199-213Article in journal (Refereed) Published
Abstract [en]

This study aimed to investigate concerns of validity and reliability in subjective ratings of age-of-acquisition (AoA), through exploring characteristics of the individual rater. An additional aim was to validate the obtained AoA ratings against two corpora – one of child speech and one of adult speech – specifically exploring whether words over-represented in the child-speech corpus are rated with lower AoA than words characteristic of the adult-speech corpus. The results show that less than one-third of participating informants’ ratings are valid and reliable. However, individuals with high familiarity with preschool-aged children provide more valid and reliable ratings, compared to individuals who do not work with or have children of their own. The results further show a significant, age-adjacent difference in rated AoA for words from the two different corpora, thus strengthening their validity. The study provides AoA data, of high specificity, for 100 child-specific and 100 adult-specific Swedish words.

Place, publisher, year, edition, pages
2019. Vol. 46, no 2, p. 199-213
Keywords [en]
age-of-acquisition, lexical development, corpus linguistics
National Category
General Language Studies and Linguistics Language Technology (Computational Linguistics)
Research subject
Linguistics
Identifiers
URN: urn:nbn:se:su:diva-166047DOI: 10.1017/S0305000918000363ISI: 000458497800001OAI: oai:DiVA.org:su-166047DiVA, id: diva2:1288078
Projects
Funktionella konsekvenser av avvikelser i barns sammanhängande tal
Funder
Swedish Research Council, 2015-01255Available from: 2019-02-12 Created: 2019-02-12 Last updated: 2019-03-04Bibliographically approved

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Wikse Barrow, CarlaNilsson Björkenstam, KristinaStrömbergsson, Sofia
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