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Word Probability Re-Estimation Using Topic Modeling and Lexical Decision Data ...
Abstract: Two assumptions of psycholinguistic research are that text corpora can be used as a proxy of the language that people have been exposed to and that the reaction time with which people recognize words decreases with the probability (or frequency) of the words in a corpus. We propose a method that produces topic-specific word probabilities from a text corpus using latent Dirichlet allocation, then combines them to fit lexical decision reaction times and re-estimates word probabilities. We evaluated how well independent lexical decision reaction times could be predicted from re-estimated word probabilities compared to original probabilities, using independent lexical decision data. In an experiment designed to prove the concept, the re-estimated word frequency model explained up to 9.6% of additional variability in reaction times on group level and up to 2.9% on level of individual participants. ...
Keyword: Applied Linguistics; Cognitive Linguistics; Cognitive Science; Computational Intelligence; Computational Linguistics; Psycholinguistics
URL: https://dx.doi.org/10.48448/521q-x620
https://underline.io/lecture/26766-word-probability-re-estimation-using-topic-modeling-and-lexical-decision-data
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Word Probability Re-Estimation Using Topic Modeling and Lexical Decision Data ...
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