2018
DOI: 10.1017/s0305000918000363
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Subjective ratings of age-of-acquisition: exploring issues of validity and rater reliability

Abstract: 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 part… Show more

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Cited by 13 publications
(8 citation statements)
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“…It is well evidenced that adults provide good estimates of when early childhood words are acquired, despite remembering little or nothing about these times (i.e., childhood amnesia; e.g., Bauer et al, 2007; Pathman et al, 2013). Nevertheless, one suggestion to improve the validity of the subjective ratings of AoA of these estimates is to assess rater characteristics including how much experience one has with preschool children (Barrow et al, 2019). For example, Barrow et al investigated the validity and reliability of subjective ratings of AoA by assessing rater characteristics.…”
Section: Theoretical Account Of Aoa Effectsmentioning
confidence: 99%
“…It is well evidenced that adults provide good estimates of when early childhood words are acquired, despite remembering little or nothing about these times (i.e., childhood amnesia; e.g., Bauer et al, 2007; Pathman et al, 2013). Nevertheless, one suggestion to improve the validity of the subjective ratings of AoA of these estimates is to assess rater characteristics including how much experience one has with preschool children (Barrow et al, 2019). For example, Barrow et al investigated the validity and reliability of subjective ratings of AoA by assessing rater characteristics.…”
Section: Theoretical Account Of Aoa Effectsmentioning
confidence: 99%
“…On the other hand, research shows that although subjective and objective AoA ratings do not result in the exactly the same values for each word, they are still highly correlated [84,102,103,116,117]. However, the reliability of the subjective AoA ratings may depend on raters’ experience with preschool children [118], as practitioners who work with children are more accurate in estimating exact values of words’ AoA, and this was not controlled in our study.…”
Section: Discussionmentioning
confidence: 99%
“…Inter-rater reliability was relatively low, as is common in subjective ratings of age-of-acquisition (Barrow et al, 2019; mean pairwise inter-rater correlation = 0.48, SD = 0.12, Krippendorff's α = 0.29). Taken together, however, ratings showed high internal consistency (Cronbach's α = 0.93, 95% CI [0.93, 0.95]).…”
Section: Vocabulary Sophisticationmentioning
confidence: 91%