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Using Simulated Annealing to Investigate Sensitivity of SEM to External Model Misspecification

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Sensitivity analyses encompass a broad set of post-analytic techniques that are characterized as measuring the potential impact of any factor that has an effect on some output variables of a… Click to show full abstract

Sensitivity analyses encompass a broad set of post-analytic techniques that are characterized as measuring the potential impact of any factor that has an effect on some output variables of a model. This research focuses on the utility of the simulated annealing algorithm to automatically identify path configurations and parameter values of omitted confounders in structural equation modeling (SEM). An empirical example based on a past published study is used to illustrate how strongly related an omitted variable must be to model variables for the conclusions of an analysis to change. The algorithm is outlined in detail and the results stemming from the sensitivity analysis are discussed.

Keywords: sensitivity; annealing investigate; using simulated; simulated annealing; investigate sensitivity; sensitivity sem

Journal Title: Educational and Psychological Measurement
Year Published: 2022

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