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| Animal Behavior | 22 |
| Primates | 10 |
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| Behavior Patterns | 4 |
| Infants | 4 |
| Peer Relationship | 4 |
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| Behavioral Science Research | 3 |
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| Developmental Psychology | 22 |
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| Sackett, Gene P. | 3 |
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| Gunderson, Virginia M. | 2 |
| Bard, Kim A. | 1 |
| Costall, Alan | 1 |
| Davenport, Richard K. | 1 |
| Erwin J. | 1 |
| Fischer, Gloria J. | 1 |
| Gluck, John P. | 1 |
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| Harlow, H. F. | 1 |
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| Journal Articles | 7 |
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Peer reviewedStein, Christien Kimpel; LaBarba, Richard C. – Developmental Psychology, 1977
Descriptors: Animal Behavior, Maturation, Research, Stimulation
Peer reviewedFischer, 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
Peer reviewedSuomi, Stephen; And Others – Developmental Psychology, 1973
A study designed to investigate the effects of permanent maternal separation in infant rhesus monkeys, 60, 90, and 120 days of age, and housed individually or in Paris. Monkeys separated at 90 days and housed individually showed the highest levels of disturbance. (DP)
Descriptors: Animal Behavior, Behavioral Science Research, Infants, Primates
Peer reviewedKenney, Martha D.; And Others – Developmental Psychology, 1979
Descriptors: Age Differences, Animal Behavior, Primates, Stranger Reactions
Peer reviewedPatchett, Robin F. – Developmental Psychology, 1977
Descriptors: Age Differences, Animal Behavior, Auditory Discrimination, Sensory Deprivation
Peer reviewedGunderson, Virginia M.; Sackett, Gene P. – Developmental Psychology, 1984
Examined the development of pattern recognition in infant pigtailed macaques using the familiarization novelty technique. Results indicate that by at least 200 days postconception subjects show a consistently reliable visual response to novelty. (Author/RH)
Descriptors: Animal Behavior, Cognitive Ability, Cognitive Development, Infants
Peer reviewedSackett, Gene P.; And Others – Developmental Psychology, 1976
Social and nonsocial behaviors of infant rhesus (macaca mulatta) and pigtail (M. nemestrina) monkeys reared in total social isolation were compared with those of socialized controls. Results question the generality of rhesus total isolate behavior as a model for some human problems. (Author/SB)
Descriptors: Aggression, Animal Behavior, Play, Research
Peer reviewedThomas, Roger K.; Peay, Lynn – Developmental Psychology, 1976
Purpose of study was to investigate the applicability of Piaget's theory and methods to the study of conservation in nonhumans. Two out of four subject monkeys achieved stringent and statistically significant performance criteria in sameness-difference judgment tests and showed significant generalization in the fewest possible trials. (Author/SB)
Descriptors: Animal Behavior, Cognitive Development, Concept Formation, Conservation (Concept)
Peer reviewedVore, David A.; Ottinger, Donald R. – Developmental Psychology, 1970
Descriptors: Animal Behavior, Dietetics, Learning, Nutrition
Peer reviewedRajecki, D. W.; And Others – Developmental Psychology, 1977
Descriptors: Animal Behavior, Antisocial Behavior, Behavior Problems, Social Influences
Peer reviewedMears, Clara E. – Developmental Psychology, 1978
Studies the effects of playroom deprivation on self-motion play, or peragration, for rhesus monkeys of ages 24 to 36 weeks. (Author/SS)
Descriptors: Animal Behavior, Physical Activity Level, Physical Environment, Play
Peer reviewedDavenport, Richard K.; And Others – Developmental Psychology, 1973
According to transfer index testing, chimpanzees who had been reared in restricted laboratory environments for the first two years of life were inferior in cognitive skills to wild born control subjects. Findings are discussed in terms of the role of early experience in cognitive development. (DP)
Descriptors: Animal Behavior, Cognitive Development, Early Experience, Environmental Influences
Peer reviewedRajecki, D.W.; And Others – Developmental Psychology, 1978
Tests were conducted to determine if domestic chicks would respond to multiple social separations with the cumulative disruption of social development seen in other species. (Author/SS)
Descriptors: Animal Behavior, Group Behavior, Group Dynamics, Peer Relationship
Peer reviewedDeets, Allyn C. – Developmental Psychology, 1974
Descriptors: Animal Behavior, Behavior Patterns, Infant Behavior, Peer Relationship
Peer reviewedGluck, John P.; Sackett, Gene P. – Developmental Psychology, 1976
Rhesus monkeys were reared in total isolation, in partial isolation, or under normal conditions with access to mothers and peers. Each group was compared on the rate of acquisition of a simple operant response. (GO)
Descriptors: Animal Behavior, Conditioning, Disadvantaged Environment, Infants
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