IJE Advance Access originally published online on August 24, 2006
International Journal of Epidemiology 2006 35(5):1357; doi:10.1093/ije/dyl178
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2006; all rights reserved.
Letter to the Editor |
Mortality effects of the economic crisis in South Korea
Institute of Labor and Industrial Relations and School of Social Work, University of Michigan, Ann Arbor, MI, USA
E-mail: jatapia@umich.edu
| The first 10% of the full text of this article appears below. |
Observational epidemiology is a tricky endeavour. Establishing causeeffect relationships, though most important in science1,2 is always very difficult. The difficulty is greatest, indeed almost insurmountable, when researchers try to establish causal connections between a unique event and other events that follow it. Social scientists are aware of post hoc