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cross-sectional study |
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cross-sectional study, n the scientific method for the analysis of data gathered from two or more samples at one point in time. cross-sectional study a study in which a statistically significant sample of a population is used to estimate the relationship between an outcome of interest and population variables as they exist at one particular time. Since both the outcome and the variables are measured at the one time these studies are not strong at showing cause-effect relationships. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A two-phase project was undertaken: (1) two focus groups, and (2) a cross sectional survey using a self-completed questionnaire. Marston C, Meltzer H and Majeed A, Impact on contraceptive practice of making emergency hormonal contraception available over the counter in Great Britain: repeated cross sectional surveys, British Medical Journal, 2005, 331(7511):271 <http://bmj. Breast cancer on the World Wide Web: Cross sectional survey of quality of information and popularity of web sites. |
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