Descriptor
| Age Differences | 1 |
| Behavior Disorders | 1 |
| Behavior Patterns | 1 |
| Infants | 1 |
| Preschool Children | 1 |
| Self Injurious Behavior | 1 |
| Young Children | 1 |
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| Berkson, Gershon | 1 |
| Tupa, Megan | 1 |
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| Information Analyses | 1 |
| Journal Articles | 1 |
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Download full textBerkson, Gershon; Tupa, Megan – Journal of Early Intervention, 2000
Review of the literature on early development of typical and abnormal stereotyped and self-injurious behaviors found that such behaviors usually reach a maximum at age 2 and then decline but may increase again when the child reaches school age. Findings suggest that the second year may be a sensitive period for emergence of abnormal stereotyped…
Descriptors: Age Differences, Behavior Disorders, Behavior Patterns, Infants
