A correlational analysis of proficiency in typing
By: by Luton Ackerson ...
Contributors: Kelley, Truman Lee, 1884-
Published: 1926
Place of publication: New York
Language: eng
Number of pages: 73
Subjects: Type-writing
Notes: "References": p. 71-73.
Thesis (Ph. D.)--Columbia university, 1926.
Vita.
"Reprinted from Archives of psychology. no. 82."
"The correlation between speed and accuracy, by Truman L. Kelley": p. 66-70.