An experimental study of attention from the standpoint of mental efficiency: a contribution to educational and social problems, by Shoan Masuzo Fukuya, PH. D. (Psychological review publications. Psychological monographs ... vol. XXV, no. 4; whole no. 110. 1918) (Studies from the Psychological laboratory of the University of Chicago.)
An experimental study of attention from the standpoint of mental efficiency: a contribution to educational and social problems, by Shoan Masuzo Fukuya, PH. D.
(Psychological review publications. Psychological monographs ... vol. XXV, no. 4; whole no. 110. 1918) (Studies from the Psychological laboratory of the University of Chicago.)