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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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The cross-sectional studies above largely demonstrate that workers' feelings of job insecurity correlate negatively with multiple indicators of well-being for both workers and their families, whether the perceived insecurity was the result of current restructuring, or if it were a more generalized feeling of job insecurity. The differences in methods among the African cross-sectional studies of resistance, including our own and the others referenced, make comparisons among countries difficult, although some differences are likely due to prescribing practices, drug availability, support for adherence, and follow-up. Likewise, correlations observed in cross-sectional studies are more likely to demonstrate larger associations with child adjustment variables than similar associations in longitudinal studies. |
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