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Arithmetic in newborn chicks
Newly hatched domestic chicks were reared with five identical objects. On days 3 or 4, chicks underwent free-choice tests in which sets of three and two of the five original objects disappeared (either simultaneously or one by one), each behind one of two opaque identical screens. Chicks spontaneous...
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| 主要な著者: | , , , , |
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| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
The Royal Society
2009
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2690459/ https://ncbi.nlm.nih.gov/pubmed/19364746 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rspb.2009.0044 |
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