Bayley, Nancy, and Oden, Melita H. "The maintenance of intellectual ability in gifted adults," Journal of Gerontology, X (1955 ), 91-107.
2.
Birren, J.E. "Sensation, perception, and modifications of behavior in relation to the process of aging," in Birren, J. E., Imus, H. A., and Windle, W. F. (eds.) The process of aging in the nervous system , pp. 143-65. Springfield, Ill.: Charles C. Thomas, 1959.
3.
Corsini, R.J., and Fassett, K.K. "Intelligence and Aging,"Journal of Genetic Psychology , LXXXIII (1953), 249-64.
4.
Doppelt, Jerome E., and Wallace, Wimburn L. "Standardization of the Wechsler Adult Intelligence Scale for older persons," Journal of Abnormal and Social Psychology , LI (1955), 312-30.
5.
Foulds, G.A., and Raven, J.C. "Normal changes in the mental abilities of adults as age advances," Journal of Mental Science, XCIV ( 1948), 133-42.
6.
Havighurst, Robert J., and Albrecht, Ruth.Older people. New York: Longmans, Green & Co., 1953.
7.
Hebb, D.O.Organization of behavior. New York: John Wiley & Sons, 1949.
8.
Jones, H.E., and Conrad, H.S. "The growth and decline of intelligence: a study of a homogeneous group between the ages of ten and sixty." Genetic Psychology Monographs , XIII (1933), 223-98.
9.
Kay, H. " Learning of a serial task by different age groups," Quarterly Journal of Experimental Psychology, VI (1951), 166-83.
10.
Lorge, I. "The influence of the test upon the nature of mental decline as a function of age," Journal of Educational Psychology, XXVII (1936), 100-110.
11.
Lorge, I. "Learning, motivation, and education," in Anderson, J. E. (ed.) Psychological aspects of aging, pp. 207-10. Washington, D. C.: American Psychological Association , 1956.
12.
Miles, Catherine C., and Miles, W.R. "The correlation of intelligence scores and chronological age from early to late maturity," American Journal of Psychology, XLIV (1932), 44-78.
13.
Owens, W.A., Jr. "Age and mental abilities: a longitudinal study," Genetic Psychology Monographs, XLVIII ( 1953), 3-54.
14.
Ruch, F.L. "The differentiative effect of age upon human learning," Journal of Genetic Psychology, XI ( 1934), 261-86.
15.
Sorenson, H. "Adult ages as a factor in learning,"Journal of Educational Psychology, XXI (1930), 451-59.
16.
Sorenson, H. "Mental ability over a wide range of adult ages," Journal of Applied Psychology, XVII ( 1933), 729-41.
17.
Thorndike, E.L., Bregman, E.O., Tilton, J.W., and Woodward, E.Adult learning. New York: Macmillan Co., 1928.
18.
Wechsler, D.The measurement of adult intelligence. 3d ed. Baltimore: Williams & Wilkins Co. , 1944.
19.
Manual for the Wechsler Adult Intelligence Scale. New York : Psychological Corporation, 1955 .
20.
Welford, A.T.Ageing and human skill. London: Oxford University Press, 1958.