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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Delays, demography and cycles: a forensic study

Gurney, William and Blythe, S.P. and Stokes, T.K. (1999) Delays, demography and cycles: a forensic study. Advances in Ecological Research, 28. pp. 127-144. ISSN 0065-2504

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Abstract

Strict logic implies that a hypothesis can only be proved wrong, but the main motivation of much science is to find out what is true. In this paper, we argue that the process of intuition building works by extending the classical Popperian paradigm of hypothesis and refutation to include a close relative of the legal concept of “reasonable doubt”. We believe that the way in which doubts are eroded involves building up a consistent picture over a wide ranging body of data-a process akin to the forensic investigations common in the legal process. We illustrate our argument by re-analysing A.J. Nicholson's classical data set on the Australian sheep blowfly Lucilia cuprina. We conclude by discussing the implications of the investigative paradigm we describe for the design of experimental and observational programmes.