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This overview analyzes the classification of TCDD exposure based on job descriptions of selected veterans. Initially, exposure was categorized according to the veterans' occupations, raising concerns if the classification process was not conducted accurately. Improper classification can introduce confounding bias, impacting the validity of study outcomes and the reliability of conclusions drawn about health effects. Understanding this bias is crucial for accurate epidemiological assessments and ensuring the integrity of research findings related to veterans' exposure to TCDD.
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Validity- An Overview
Initially, exposure to TCDD was classified according to job descriptions of the veterans selected for study.
If not properly done, then Confounding Bias