A Mann–Whitney test reveals that this rank difference is highly significant. l This model is a particular instantiation of a group-based trajectory model—one that has three levels of analysis, is entirely nonparametric, and is anchored to a particular set of questions within a broader research framework. m Note that while we have stated these questions with a specific application to our focal problem, the general framework we present can be applied more broadly to understanding how people’s choices lead them down different paths to the same or varying outcomes.
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From transcripts to trajectories: A framework for studying academic pathways through college.
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