Climate Program Office News

New Study Models Users’ Trust in Drought Forecasts

  • 15 June 2021

A key factor that determines how users respond to forecasts is the extent to which they trust the information. To help integrate this understanding into forecast valuation,  a recent study proposes a framework to model trust in drought forecast information that captures how users’ trust forms and evolves over time and shows how trust influences users’ decisions. The study was funded by the Sectoral Applications Research Program's (SARP) Initiative called Coping with Drought in Support of the National Integrated Drought Information System (NIDIS) and led by researchers from the University of Illinois-Urbana Champaign and the University of Virginia. Findings confirm that users’ trust in drought forecasts significantly influences the way the information is integrated with their prior knowledge.

The authors applied their proposed framework to a crop-allocation decision problem, where users receive a drought forecast for the crop season and decide the best allocation between two crops. The model assumes that the relationship between objective forecast accuracy and forecast value—and by extension, forecast use—is mediated through trust.

Applying the framework, the research team found that even if users are exposed to relatively accurate forecasts, they may not use it immediately because a minimum level of trust must be developed before forecasts are perceived to be valuable and integrated into decision making. Results also show that encouraging users to rely on poor forecasts can make them worse off, potentially deterring them from using forecasts in the future.

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The Climate Program Office (CPO) manages competitive research programs in which NOAA funds high-priority climate science, assessments, decision support research, outreach, education, and capacity-building activities designed to advance our understanding of Earth’s climate system, and to foster the application of this knowledge in risk management and adaptation efforts.  CPO-supported research is conducted in regions across the United States, at national and international scales, and globally.  Learn more...

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