References
- Guilford , J. P. and Dallenbach , K. M. 1925 . The determination of memory span by the method of constant stimuli . Amer. J. Psychol , 36 : 621 – 628 .
- Jacobs , J. 1887 . Experiments on “prehension” . Mind , 12 : 75 – 79 .
- Oberly , H. S. 1928 . A comparison of the spans of “attention” and memory . Amer. J. Psychol , 40 : 295 – 302 .
- Postman , L. 1954 . Learned principles of organization in memory . Psychol. Monog , 68 ( 3 ) (Whole No. 374).
- Woodworth , R. S. and Schlosberg , H. 1954 . Experimental Psychology, , Rev. Ed. , New York : Holt .