Icelandic Norms for the Snodgrass and Vanderwart (1980) Pictures: Name and Image Agreement, Familiarity, and Aage of Acquisition

This paper presents Icelandic norms for the widely used pictorial stimuli of Snodgrass and Vanderwart (1980). Norms are presented for name agreement, familiarity, imageability, rated and objective age‐of‐acquisition (AoA) of vocabulary, and word frequency. The ratings were collected from 103 adult p...

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Bibliographic Details
Published in:Scandinavian Journal of Psychology
Main Authors: Pind, Jörgen, Jónsdóttir, Halla, Gissurardóttir, HjördÃ¥s, Jónsson, Frosti
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2000
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Online Access:http://dx.doi.org/10.1111/1467-9450.00169
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2F1467-9450.00169
https://onlinelibrary.wiley.com/doi/pdf/10.1111/1467-9450.00169
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Summary:This paper presents Icelandic norms for the widely used pictorial stimuli of Snodgrass and Vanderwart (1980). Norms are presented for name agreement, familiarity, imageability, rated and objective age‐of‐acquisition (AoA) of vocabulary, and word frequency. The ratings were collected from 103 adult participants while the objective AoA values were collected from 279 children, 2,5–11 years of age. The present norms are in many respects similar to those already collected for other language groups indicating that the stimuli will be useful for further psychological studies in Iceland. The rated AoA values show a high correlation with objective AoA ( r = 0.718) thus confirming previous studies conducted with English speaking participants that rated AoA is a relatively valid measure of objective AoA. However, word frequency and familiarity are more closely correlated with rated AoA than with objective AoA indicating that these factors play some role in the ratings. Objective AoA norms are therefore to be preferred in studies of cognitive processes.