The experimenter as an independent variable in studies of animal hypnosis in chickens ( Gallus gallus)

The experimenter as an independent variable in studies of animal hypnosis in chickens ( Gallus gallus)

Chickens restrained in the presence of an experimenter remained immobile significantly longer than those separated from the experimenter by a plywood barrier. Moreover, experimenter proximity as well as his visual orientation to the chicken were found appreciably to affect the duration of immobility...

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Veröffentlicht in:Animal behaviour 1972-01, Vol.20 (1), p.166-169
Hauptverfasser: Gallup, Gordon G., Cummings, William H., Nash, Richard F.
Format: Artikel
Sprache:eng
Schlagworte:
Analysis of Variance
animal science
Animals
Behavior, Animal
Chickens
Environment
Fear
Fixation, Ocular
Housing, Animal
Hypnosis
Immobilization
livestock
Orientation
Space life sciences
Spatial Behavior
Visual Perception
zoology
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Beschreibung
Zusammenfassung:Chickens restrained in the presence of an experimenter remained immobile significantly longer than those separated from the experimenter by a plywood barrier. Moreover, experimenter proximity as well as his visual orientation to the chicken were found appreciably to affect the duration of immobility in response to manual restraint. It was concluded that the experimenter's eyes were of primary importance in sustaining the immobility episode, and the results were interpreted in terms of the fear hypothesis of animal hypnosis and predator-prey relationships.
ISSN:0003-3472
1095-8282
DOI:10.1016/S0003-3472(72)80187-8