Cross-sectional study of object permanence in domestic puppies (Canis familiaris)
Visual accommodation and object permanence tests were administered to 70 puppies (Canis familiaris), aged 4 weeks to 9 months. The results showed that understanding of visible displacement problems emerged at the 5th week and developed rapidly until the 8th week. Although the search behaviors of ol...
| Publicado en: | Journal of Comparative Psychology Vol. 108; pp. 220 - 233 |
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| Autores principales: | , |
| Formato: | Artículo |
| Publicado: |
American Psychological Association
September 1994
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |