measurement of manual dexterities.
Contributors: Gaw, Frances Isabel, 1897-; National Institute of Industrial Psychology
Publisher: The National institute of industrial psychology
Published: 1930
Place of publication: London
Language: eng
Number of pages: 88
Subjects: Ability -- Testing; Efficiency, Industrial
Notes: On cover: The National institute of industrial psychology. Report 4.

The subjects tested were elementary school children between the ages of twelve and seventeen.  cf. Pref.