difference between cross-sectional & Longitudinal data collection method

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  • #4519

    Dear friends,

    Could you please help me more with the difference between cross-sectional and longitudinal data collection methods. I have done some readings, but I would love to hear from you.

    thanks

    #4520
    Sunny Bose
    Member

    For a start, when you collect cross- sectional data you are not concerned about the time period, Therefore, what you do is collect data from respondents across sections. For example, you want to check for difference in consumption pattern of any product across different regions in country considering one particular time frame. In conteast, you have time series data which you collect from a set of respondents across time period. For example, the consumption pattern of one particular resgion for the last ten years.
    Longitudanal data actually incorporates this cross sectional data and time series data. In longitudanal data you can check for consumption pattern of a product across different regions for the last ten years.

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