The experiment which is reported was conducted during the fall and winter quarters at Iowa State College. An attempt to increase speed of tapping was made with nine different groups of college students, all of them as nearly identical as possible.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Klise, Nira M.
"Some Factors Involved in Motivation,"
Proceedings of the Iowa Academy of Science, 36(1), 335-341.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/102