and while hopefully the revisions are smaller and smaller after each step, there is no way of knowing that this is the case in advance.”
— Hartshorne et al. (2018: 274)

http://archive.gameswithwords.org/WhichEnglish/

@article{HARTSHORNE2018263,
title = “A critical period for second language acquisition: Evidence from 2/3 million English speakers”,
journal = “Cognition”,
volume = “177”,
pages = “263 – 277”,
year = “2018”,
issn = “0010-0277”,
doi = “https://doi.org/10.1016/j.cognition.2018.04.007”,
url = “http://www.sciencedirect.com/science/article/pii/S0010027718300994”,
author = “Joshua K. Hartshorne and Joshua B. Tenenbaum and Steven Pinker”
}

臨界期は、17.4歳