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    Help with sample size

    Hello, I am a practicing Psychiatrist and I am conducting a study on Rural versus Urban Substance (drug) users in my hospital. It is a cross-sectional comparative study. I browsed through some articles on sample size calculation for comparative studies and I calculated as follows: 1. One-year...
  2. B

    Hello

    Hi, I am a Psychiatrist from north India. I have basic knowledge about bio-statistics and I am here to improve it and seek help for my research work. Thank you.