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An uncertainty report describes the extent of an agent’s uncertainty about some matter. We identify two basic requirements for uncertainty reports, which we call faithfulness and completeness. We then discuss two pitfalls of uncertainty assessment that often result in reports that fail to meet these requirements. The first involves adopting a one-size-fits-all approach to the representation of uncertainty, while the second involves failing to take account of the risk of surprises. In connection with the latter, we respond to the objection that it is impossible to account for the risk of genuine surprises. After outlining some steps that both scientists and the bodies who commission uncertainty assessments can take to help avoid these pitfalls, we explain why striving for faithfulness and completeness is important.

Item Type:	Refereed Article
Keywords:	uncertainty, surprise, climate change, models, probability, unknown unknowns
Research Division:	Studies in Human Society
Research Group:	Sociology
Research Field:	Sociology and Social Studies of Science and Technology
Objective Division:	Environment
Objective Group:	Climate and Climate Change
Objective Field:	Social Impacts of Climate Change and Variability
Author:	Risbey, JS (Dr James Risbey)
ID Code:	118538
Year Published:	2015
Web of Science® Times Cited:	3
Deposited By:	IMAS - Directorate
Deposited On:	2017-07-13
Last Modified:	2017-07-13
Downloads:	0