Outputs (49)

The effects of absolute risks, relative risks, frequencies, and probabilities on decision quality (2011)
Journal Article
Covey, J. (2011). The effects of absolute risks, relative risks, frequencies, and probabilities on decision quality. Journal of Health Communication, 16(7), 788-801. https://doi.org/10.1080/10810730.2011.561916

It is important to understand how the quality of people's decision making may be affected by the format used to present treatment benefits. Two experiments compared the accuracy of presenting the benefits of cancer screening tests or vaccines using e... Read More about The effects of absolute risks, relative risks, frequencies, and probabilities on decision quality.

Are some deaths worse than others? The effect of ‘labelling’ on people’s perceptions (2010)
Journal Article
Robinson, A., Covey, J., Spencer, A., & Loomes, G. (2010). Are some deaths worse than others? The effect of ‘labelling’ on people’s perceptions. Journal of Economic Psychology, 31(3), 444-455. https://doi.org/10.1016/j.joep.2010.01.011

This paper sets out to explore the extent to which perceptions regarding the ’badness’ of different types of deaths differ according to how those deaths are ’labelled’ in the elicitation procedure. In particular, we were interested in whether respons... Read More about Are some deaths worse than others? The effect of ‘labelling’ on people’s perceptions.

Responsibility, scale and the valuation of rail safety (2010)
Journal Article
Covey, J., Robinson, A., Jones-Lee, M., & Loomes, G. (2010). Responsibility, scale and the valuation of rail safety. Journal of Risk and Uncertainty, 40(1), 85-108. https://doi.org/10.1007/s11166-009-9082-0

We report the results of two stated-preference surveys (one conducted using face-to-face interviews, the other via the internet) which examined how the values people place on preventing fatalities from rail accidents are affected by the extent to whi... Read More about Responsibility, scale and the valuation of rail safety.

A meta-analysis of the effects of presenting treatment benefits in different formats (2007)
Journal Article
Covey, J. (2007). A meta-analysis of the effects of presenting treatment benefits in different formats. Medical Decision Making, 27(5), 638-654. https://doi.org/10.1177/0272989x07306783

Purpose. The purpose of this article is to examine the effects of presenting treatment benefits in different formats on the decisions of both patients and health professionals. Three formats were investigated: relative risk reductions, absolute risk... Read More about A meta-analysis of the effects of presenting treatment benefits in different formats.

On the numerical forms of contingent valuation responses. (2007)
Journal Article
Whynes, D., Frew, E., Philips, Z., Covey, J., & Smith, R. (2007). On the numerical forms of contingent valuation responses. Journal of Economic Psychology, 28, 462-476. https://doi.org/10.1016/j.joep.2006.07.002

How common is the prominence effect? Additional evidence to Whynes et al (2006)
Journal Article
Covey, J., & Smith, R. (2006). How common is the prominence effect? Additional evidence to Whynes et al. Health Economics, 15(2), 205-210. https://doi.org/10.1002/hec.1062

In a recent issue of Health Economics Letters, Whynes et al. report an observation not previously reported in the willingness-to-pay (WTP) literature; that when people are asked to provide an estimate using payment scales they tend to disproportionat... Read More about How common is the prominence effect? Additional evidence to Whynes et al.

Testing the internal consistency of the lottery equivalents method using health outcomes: A comment to Oliver. (2005)
Journal Article
Spencer, A., Covey, J., Chilton, S., & Taylor, M. (2005). Testing the internal consistency of the lottery equivalents method using health outcomes: A comment to Oliver. Health Economics, 14(2), 161-167

Valuing risk reductions: Testing for range biases in payment card and random card sorting methods. (2005)
Journal Article
Covey, J., Loomes, G., & Bateman, I. (2007). Valuing risk reductions: Testing for range biases in payment card and random card sorting methods. Journal of Environmental Planning and Management, 50(4), 467-482. https://doi.org/10.1080/09640560701401986

Are people unrealistically optimistic? It depends how you ask them. (2004)
Journal Article
Covey, J., & Davies, A. (2004). Are people unrealistically optimistic? It depends how you ask them. British Journal of Health Psychology, 9, 1-11. https://doi.org/10.1348/135910704322778713

Public perceptions of risk and preference-based values of safety (2002)
Journal Article
Chilton, S., Covey, J., Hopkins, L., Jones-Lee, M., Loomes, G., Pidgeon, N., & Spencer, A. (2002). Public perceptions of risk and preference-based values of safety. Journal of Risk and Uncertainty, 25(3), 211-232. https://doi.org/10.1023/a%3A1020962104810

This article reports the results of two studies aimed at estimating preference-based values of safety in three contexts—namely rail, domestic fires and fires in public places—relative to the corresponding value for roads using matching (or equivalenc... Read More about Public perceptions of risk and preference-based values of safety.