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psychology
psychology science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception , thinking, learning , cognition, emotions and motivations , personality , abnormal behavior, interactions b...
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senility
senility , deterioration of body and mind associated with old age. Indications of old age vary in the time of their appearance. Stooped posture, wrinkled skin, decrease in muscle strength, changes in the lens and muscles of the eye, brittleness of bone and stiffness of the joints, and hardening of t...
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casuistry
casuistry [Lat., casus =case], art of applying general moral law to particular cases. Although most often associated with theology (it has been utilized since the inception of Christianity), it is also used in law and psychology. The function of casuistry is to analyze motives so individual judgme...
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Edward Bradford Titchener
Edward Bradford Titchener , 1867-1927, American psychologist, b. Chichester, England, grad. Oxford, 1890. He studied in Leipzig (Ph.D. 1892) under Wundt (whose Principles of Physiological Psychology he translated), and in 1892 he became head of the new psychological laboratory at Cornell, where he...
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William Halse Rivers Rivers
William Halse Rivers Rivers 1864-1922, British anthropologist. He taught at Cambridge from 1893 until shortly before his death. Trained in medicine and psychology, he pioneered in the experimental study of mental functions among preliterate peoples, making his first field investigations in 1898 amo...
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George Trumbull Ladd
George Trumbull Ladd 1842-1921, American philosopher, b. Painesville, Ohio, grad. Western Reserve Univ., 1864, and Andover Theological Seminary, 1869. He taught at Yale from 1881 until his retirement in 1906. Influenced by Hermann Lotze, he worked primarily in experimental psychology and founded th...
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Granville Stanley Hall
Granville Stanley Hall 1844-1924, American psychologist and educator, b. Ashfield, Mass., grad. Williams, 1867. G. Stanley Hall taught at Antioch and Harvard, studied experimental psychology in Germany, and in 1882 organized at Johns Hopkins a psychological laboratory that rapidly took a leading po...
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Kurt Lewin
Kurt Lewin , 1890-1947, American psychologist, b. Germany, Ph.D. Univ. of Berlin, 1914. He taught at the Univ. of Berlin before coming to the United States in 1932. He was professor (1935-44) of child psychology at the Univ. of Iowa and director (from 1944) of the research center for group dynamics ...
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determinism
determinism philosophical thesis that every event is the inevitable result of antecedent causes. Applied to ethics and psychology, determinism usually involves a denial of free will , although many philosophers have attempted to reconcile the two concepts. Thomas Hobbes, identifying the will with ...
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Paul F. Lazarsfeld
Paul F. Lazarsfeld , 1901-76, American sociologist, b. Vienna. After beginning as a mathematician, he established a research center for social psychology. Emigrating to the United States in 1933, he taught at Columbia Univ. (1949-69), where he founded the Bureau of Applied Social Research. Lazarsfel...
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