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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | McRoberts, N. Hall, C. Madden, L. V. Hughes, G. |
| Description | Country affiliation: United States Author Affiliation: McRoberts N ( Plant Pathology Department, University of California, Davis, CA 95616-8751, USA. nmcroberts@ucdavis.edu) |
| Abstract | Many factors influence how people form risk perceptions. Farmers' perceptions of risk and levels of risk aversion impact on decision-making about such things as technology adoption and disease management practices. Irrespective of the underlying factors that affect risk perceptions, those perceptions can be summarized by variables capturing impact and uncertainty components of risk. We discuss a new framework that has the subjective probability of disease and the cost of decision errors as its central features, which might allow a better integration of social science and epidemiology, to the benefit of plant disease management. By focusing on the probability and cost (or impact) dimensions of risk, the framework integrates research from the social sciences, economics, decision theory, and epidemiology. In particular, we review some useful properties of expected regret and skill value, two measures of expected cost that are particularly useful in the evaluation of decision tools. We highlight decision-theoretic constraints on the usefulness of decision tools that may partly explain cases of failure of adoption. We extend this analysis by considering information-theoretic criteria that link model complexity and relative performance and which might explain why users reject forecasters that impose even moderate increases in the complexity of decision making despite improvements in performance or accept very simple decision tools that have relatively poor performance. |
| File Format | HTM / HTML |
| ISSN | 0031949X |
| e-ISSN | 19437684 |
| Journal | Phytopathology |
| Issue Number | 6 |
| Volume Number | 101 |
| Language | English |
| Publisher | The American Phytopathological Society |
| Publisher Date | 2011-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Botany Decision Making Plant Diseases Prevention & Control Statistics & Numerical Data Agriculture Decision Theory Models, Theoretical Probability Uncertainty Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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