| 单词 |
cross sectional study |
| 释义 |
EncyclopediaSeecross-sectional studycross sectional study
cross sectional study A study that examines the relationship between diseases (or other health-related characteristics) and other variables of interest as they exist in a defined population at a single point in time.
Cons
Cross-sectional studies may lead to erroneous conclusions as to a temporal sequence of cause and effect. |
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