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6. Word Forms Are Structured for Efficient Use

Author

Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences, Mahowald, Kyle Adam, Dautriche, Isabelle, Gibson, Edward A, Piantadosi, Steven T., Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences, Mahowald, Kyle Adam, Dautriche, Isabelle, Gibson, Edward A, and Piantadosi, Steven T.

Abstract

Zipf famously stated that, if natural language lexicons are structured for efficient communication, the words that are used the most frequently should require the least effort. This observation explains the famous finding that the most frequent words in a language tend to be short. A related prediction is that, even within words of the same length, the most frequent word forms should be the ones that are easiest to produce and understand. Using orthographics as a proxy for phonetics, we test this hypothesis using corpora of 96 languages from Wikipedia. We find that, across a variety of languages and language families and controlling for length, the most frequent forms in a language tend to be more orthographically well‐formed and have more orthographic neighbors than less frequent forms. We interpret this result as evidence that lexicons are structured by language usage pressures to facilitate efficient communication. Keywords: Lexicon; Word frequency; Phonology; Communication; Efficiency, National Science Foundation (Grant ES/N0174041/1)

Published
2019

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