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Welcome to Research Method Tutorial Page! This web page is developed to provide a brief tutorial session on elementary longitudinal research methods. In short, longitudinal research refers to the analysis of data collected at different points of time. In this web page, three different types of longitudinal research methods -- trend, cohort, and panel studies -- are defined and relative advantages and disadvantages are discussed. Problems of achieving validity in each study is also incorporated in the discussion as well. Finally, a list of related sites is provided in order to present an example of longitudinal research and in-depth discussions on this particular research method. |
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