The trend of Scottish intelligence : a comparison of the 1947 and 1932 surveys of the intelligence of eleven-year-old pupils / [The Scottish Council for Research in Education].

Date:
1949

Licence: In copyright

Credit: The trend of Scottish intelligence : a comparison of the 1947 and 1932 surveys of the intelligence of eleven-year-old pupils / [The Scottish Council for Research in Education]. Source: Wellcome Collection.

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