| 单词 | birth cohort |
| 释义 | birth cohort Thus, each successive birth cohort entering old age has had less cumulative life exposure to lead. Times,Sunday Times If the 1980s were the nadir of birth cohort studies, the late 1990s, with the vogue for 'evidence-based policy', were their zenith. The Times Literary Supplement Indeed, the book culminates in a failure that introduces a darker tone to the story of the birth cohort studies. The Times Literary Supplement Beginning in 1974, this study has continuously followed a birth cohort of approximately 500 offspring. Retrieved from Wikipedia CC BY-SA 3.0 Each of the first three birth cohorts - following a twelve-year rhythm - was very much identified with a single investigator for many years. The Times Literary Supplement |
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