Declines in vocabulary among American adults within levels of educational attainment, 1974–2016

@article{Twenge2019DeclinesIV,
  title={Declines in vocabulary among American adults within levels of educational attainment, 1974–2016},
  author={Jean M. Twenge and W. K. Campbell and Ryne A Sherman},
  journal={Intelligence},
  year={2019}
}
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