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- Guath, Mona, et al.
(författare)
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Optimizing Electricity Consumption : A Case of Function Learning
- 2015
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Ingår i: Journal of experimental psychology. Applied. - : American Psychological Association (APA). - 1076-898X .- 1939-2192. ; 21:4, s. 326-341
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Tidskriftsartikel (refereegranskat)abstract
- A popular way to improve consumers' control over their electricity consumption is by providing outcome feedback on the cost with in-home displays. Research on function learning, however, suggests that outcome feedback may not always be ideal for learning, especially if the feedback signal is noisy. In this study, we relate research on function learning to in-home displays and use a laboratory task simulating a household to investigate the role of outcome feedback and function learning on electricity optimization. Three function training schemes (FTSs) are presented that convey specific properties of the functions that relate the electricity consumption to the utility and cost. In Experiment 1, we compared learning from outcome feedback with 3 FTSs, 1 of which allowed maximization of the utility while keeping the budget, despite no feedback about the total monthly cost. In Experiment 2, we explored the combination of this FTS and outcome feedback. The results suggested that electricity optimization may be facilitated if feedback learning is preceded by a brief period of function training.
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- Millroth, Philip, et al.
(författare)
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Prospect evaluation as a function of numeracy and probability denominator
- 2015
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Ingår i: Cognition. - : Elsevier BV. - 0010-0277 .- 1873-7838. ; 138, s. 1-9
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Tidskriftsartikel (refereegranskat)abstract
- This study examines how numeracy and probability denominator (a direct-ratio probability, a relative frequency with denominator 100, a relative frequency with denominator 10,000) affect the evaluation of prospects in an expected-value based pricing task. We expected that numeracy would affect the results due to differences in the linearity of number perception and the susceptibility to denominator neglect with different probability formats. An analysis with functional measurement verified that participants integrated value and probability into an expected value. However, a significant interaction between numeracy and probability format and subsequent analyses of the parameters of cumulative prospect theory showed that the manipulation of probability denominator changed participants’ psychophysical response to probability and value. Standard methods in decision research may thus confound people’s genuine risk attitude with their numerical capacities and the probability format used.
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