The relationship of role identification and ego strength to sex differences in the rod-and-frame testhttps://www.upress.umn.edu/test-division/bibliography/1960-1969/1965/vaught_relationship_1965https://www.upress.umn.edu/logo.png
G.M. Vaught
(1965)
The relationship of role identification and ego strength to sex differences in the rod-and-frame test