Houston A I
University of Oxford.
J Exp Anal Behav. 1991 Nov;56(3):585-9. doi: 10.1901/jeab.1991.56-585.
Hastjarjo, Silberberg, and Hursh (1990) have presented data on the foraging behavior of rats and discussed it in terms of risk-sensitive foraging theory. Because risk-sensitive foraging theory is comprised of several different models, it does not lead to general predictions about when an organism should prefer a foraging option with high variance to a foraging option with low variance. Any comparison of data with the predictions of the theory must be based on an appropriate model. I draw attention to various experiments that are potentially relevant to the results reported by Hastjarjo et al. and show how the time period over which the organism must survive can influence a model's predictions about risk sensitivity.
哈斯特贾约、西尔伯格和赫什（1990年）展示了关于大鼠觅食行为的数据，并依据风险敏感型觅食理论进行了讨论。由于风险敏感型觅食理论由几种不同的模型组成，所以它不会得出关于有机体何时应偏好高方差觅食选项而非低方差觅食选项的一般性预测。将数据与该理论的预测进行的任何比较都必须基于一个合适的模型。我提请大家注意各种可能与哈斯特贾约等人报告的结果相关的实验，并展示有机体必须生存的时间段如何能够影响一个模型关于风险敏感性的预测。
