This viewpoint reveals ethical costs of snowball methods in mental health research, suggesting reforms for inclusive data collection.
Nonprobability sampling, especially the consecutive and snowball methods, is common in Indian mental health research due to their practical utility. Yet, their unchecked use shapes whose experiences are heard and whose are excluded. This viewpoint critiques their ethical costs and proposes realistic reforms for inclusive, responsible data collection.
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Tripathy et al. (2025) studied this question.
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