A point scale for measuring mental ability / by Robert M. Yerkes, James W. Bridges and Rose S. Hardwick.

  • Robert Yerkes
Date:
1915
Catalogue details

Licence: Public Domain Mark

Credit: A point scale for measuring mental ability / by Robert M. Yerkes, James W. Bridges and Rose S. Hardwick. Source: Wellcome Collection.

    19/232 page 5
    THE CONSTITUTION AND RELATIONS OF THK POINT SCALE By Ross S. Harpwick
    digitised image 1
    digitised image 2
    digitised image 3