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The Journal of Psychology

Interdisciplinary and Applied

Volume 40, 1955 - Issue 1

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Original Articles

An Investigation of the Role of Exteroceptive Motivation in the Behavior of the Earth-Worm

Willard E. Caldwell Department of Psychology, the George Washington Univerzity, USA

Hugh Kailan Department of Psychology, the George Washington Univerzity, USA

Pages 133-144 | Received 03 Mar 1955, Published online: 02 Jul 2010

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https://doi.org/10.1080/00223980.1955.9712971

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Copeland , M. 1930 . An apparent conditioned response in Nereis Virens . J. Comp. Psychol , 10 : 339 – 354 .
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Swartz , R. D. 1929 . Modification of behavior in earthworms . J. Comp. Psychol , 9 : 17 – 33 .
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Warden , C. J. , Jenkins , I. N. and Warner , L. H. 1935 . Introduction to Comparative Psychology , New York : Ronald Press .
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Yerkes , R. M. 1921 . The intelligence of earthworms . J. Anim. Behav , 2 : 332 – 352 .
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