Attachment and separation distress in th
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Dr. Terry F. Pettijohn
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Article
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1979
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John Wiley and Sons
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English
β 521 KB
## Abstract This study systematically examined separationβinduced distress vocalization in the infant guinea pig. Experiment I found that under maximum separation from both social and physical surroundings, the distress vocalization rate remained high for the 1st 4 weeks and then continuously decli