Chapter 2 introduces the basic concepts of structural and measurement model specification when PLS-SEM is used. The concepts are associated with completing the first three stages in the application of PLS-SEM, as described in Chapter 1. Stage 1 is specifying the structural model. Stage 2 is selecting and specifying the measurement models. Stage 3 summarizes the major guidelines for data collection when the application of PLS-SEM is anticipated, as well as the need to examine your data after they have been collected to ensure the results from applying PLS-SEM are valid and reliable. An understanding of these three topics will prepare you for Stage 4, estimating the model, which is the focus of Chapter 3.
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