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| с последовательным формированием когорт (Cohort sequential study refers to a research design that combines cross-sectional and longitudinal methods. Cohorts consist of participants in a certain age group. Different cohorts are studied at different times. New cohorts of younger groups are added in successive data collections to replace those who have grown older. This design allows the analysis of age differences, changes over time, and the effects of social and historical factors. amatsyuk) | |||
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cohort-sequential : 4 do fraz, 2 tematyki |
| Badanie kliniczne | 1 |
| Medycyna | 3 |