Abstract
Preferences of hungry pigeons among 10 grains and pellets were analyzed using a Thurstone scaling procedure. The recovered scales were positively correlated with size of the feed. The correlations improved when the Thurstonian assumption of equal-sized discriminal dispersions (Case V) was replaced with the assumption of proportional-sized dispersions (Case VI), as entailed by Weber's law. The correlations weakened when the experiments were conducted with the pigeons close to their free-feeding weights, where the probability of sampling alternative grains increased. In the final experiment, exposure to a large pellet shifted the preferences between two smaller pellets.
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Selected References
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- Blough P. M. Selective attention and search images in pigeons. J Exp Psychol Anim Behav Process. 1991 Jul;17(3):292–298. doi: 10.1037//0097-7403.17.3.292. [DOI] [PubMed] [Google Scholar]
- COOMBS C. H. On the use of inconsistency of preferences in psychological measurement. J Exp Psychol. 1958 Jan;55(1):1–7. doi: 10.1037/h0044694. [DOI] [PubMed] [Google Scholar]
- COOMBS C. H. Psychological scaling without a unit of measurement. Psychol Rev. 1950 May;57(3):145–158. doi: 10.1037/h0060984. [DOI] [PubMed] [Google Scholar]
- Killeen P. R. Incentive theory: IV. Magnitude of reward. J Exp Anal Behav. 1985 May;43(3):407–417. doi: 10.1901/jeab.1985.43-407. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Lea S. E., Roper T. J. Demand for food on fixed-ratio schedules as a function of the quality of concurrently available reinforcement. J Exp Anal Behav. 1977 Mar;27(2):371–380. doi: 10.1901/jeab.1977.27-371. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Miller H. L. Matching-based hedonic scaling in the pigeon. J Exp Anal Behav. 1976 Nov;26(3):335–347. doi: 10.1901/jeab.1976.26-335. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Shettleworth S. J. Handling time and choice in pigeons. J Exp Anal Behav. 1985 Sep;44(2):139–155. doi: 10.1901/jeab.1985.44-139. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Svartdal F. Working harder for less: effect of incentive value on force of instrumental response in humans. Q J Exp Psychol A. 1993 Feb;46(1):11–34. doi: 10.1080/14640749308401065. [DOI] [PubMed] [Google Scholar]