This comprehensive Second Edition offers readers a complete guide to carrying out research projects involving structural equation modeling (SEM). Updated to include extensive analysis of AMOS' graphical interface, a new chapter on latent curve models and detailed explanations of the structural equation modeling process, this Second Edition is the ideal guide for those new to the field. The book includes: •Learning objectives, key concepts and questions for further discussion in each chapter •Helpful diagrams and screenshots to expand on concepts covered in the texts •Real life examples from a variety of disciplines to show hoe SEM is applied in real research contexts •Exercises for each chapter on an accompanying companion website •A new glossary at the end of book Assuming no previous experience of the subject, and a minimum of mathematical knowledge, this is the ideal guide for those new to SEM and an invaluable companion for students taking introductory SEM courses in any discipline.

Models with only Manifest Variables

In this chapter you will be introduced to acyclic and cyclic models with only manifest variables.

As mentioned in Chapter 1, these models are commonly known as path models and in economics as simultaneous equation models or econometric models.

You will first learn how to analyze acyclic models. You will meet two sufficient rules for identification and then be led through a simple example through which you will learn how to interpret the very extensive output from AMOS, including the various fit measures you find in AMOS output.

Then we turn to cyclic models. The identification problem - which is much more of a problem in this kind of model - is illustrated using the cigarette-advertising example from Chapter 1.

The very meaning ...

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