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Chick (Gallus domesticus) Approach Preferences for Natural and Artificial Sound Stimuli
Peer reviewed Peer reviewed
Fischer, Gloria J. – Developmental Psychology, 1976
Two-day-old chicks were found to prefer an ancestral maternal call over a brief repetitive pure tone burst when stationary models emitted the calls; however, other chicks prefered the repetitive tone over the maternal call when the models emitting the calls were moving. (JMB)
Descriptors: Animal Behavior, Auditory Stimuli, Behavior Patterns, Research
Age-Mate or Twin Sibling: Effects on Monkey Age-Mate Interactions during Infancy
Peer reviewed Peer reviewed
Deets, Allyn C. – Developmental Psychology, 1974
Descriptors: Animal Behavior, Behavior Patterns, Infant Behavior, Peer Relationship
Follow-Up Study of Isolation-Reared and Mother-Reared Rhesus Monkeys Paired with Preadolescent Conspecifics in Late Infancy
Peer reviewed Peer reviewed
Erwin J.; And Others – Developmental Psychology, 1974
Descriptors: Animal Behavior, Behavior Patterns, Followup Studies, Interaction
Age-Mate of Twin Sibling: Effects on Interactions between Monkey Mothers and Infants
Peer reviewed Peer reviewed
Deets, Allyn C. – Developmental Psychology, 1974
A study of the effect of the twin sibling relationship upon interactions between monkey mothers and infants. Findings provided strong support for the prediction that the twin sibling presence decreases the amount of behavior directed from infant to mother. Differences in maternal behavior were concluded to be reactions to differences in infant…
Descriptors: Animal Behavior, Behavior Patterns, Behavior Rating Scales, Behavioral Science Research