Imprinting and level of anxiety

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To test the hypothesis that “the greater the similarity between cues present during shock and those present during exposure to a moving test object, the greater the strength at which the following of that object would be maintained.” Peking ducks were given 1 trial a day of exposure to a moving green cardboard cube in a 10 ft. alley for 25 min. The trials lasted 10 days. Prior to Day 7's test trial the cube was removed from the alley and the ducks confined in a glass compartment inside or outside the alley and shocked during confinement or not, in a 2 X 2 design. The ducks shocked in the alley were superior in strength of following to the other subgroups. There were no significant differences among the other groups. A relationship between level of anxiety and strength of following is suggested. From Psyc Abstracts 36:01:1EC40M. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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