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An experimental analysis of the cost of food in a closed economy.
Rats lived in individual chambers in which the only food available was delivered for lever pressing. During Stage I, a fixed number of presses was required for each food pellet. As this fixed ratio of presses per food pellet was increased daily, a rat's daily intake of food was reduced. During...
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
1991
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1323081/ https://ncbi.nlm.nih.gov/pubmed/1940762 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.1991.56-33 |
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