[Corpora-List] age-of-acquisition norms for over 50 thousand English words

[Marc Brysbaert]

We have collected age-of-acquisition (AoA) ratings for 31K English  
content words (nouns, verbs, adjectives). The collection of these new  
AoA norms was possible because we made use of the web-based  
crowdsourcing technology offered by the Amazon Mechanical Turk.  
Correlations with existing AoA measures suggest that these estimates  
are as good as the existing ones.

Because the Age-of-acquisition norms can also be used for inflected  
forms, we can expand the original list to a total of 51+K words,  
meaning that AoA can now be included in all word recognition studies  
(it still explains 5% of the variance in lexical decision times after  
word frequency, length, and OLD20 are controlled for).

You find various files with the ratings at http://crr.ugent.be/archives/806

Kuperman, V.,Stadthagen-Gonzalez, H., & Brysbaert, M. (in press).  
Age-of-acquisition ratings for 30 thousand English words. Behavior  
Research Methods.



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