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Path Analysis

The Four Models You Meet in Structural Equation Modeling

by guest contributer  5 Comments

A multiple regression model could be conceptualized using Structural Equation Model path diagrams. That’s the simplest SEM you can create, but its real power lies in expanding on that regression model.  Here I will discuss four types of structural equation models.

Path Analysis

More interesting research questions could be asked and answered using Path Analysis. Path Analysis is a type of structural equation modeling without latent variables. [Read more…] about The Four Models You Meet in Structural Equation Modeling

Tagged With: CFA, Confirmatory Factor Analysis, EFA, Latent Growth Curve Model, mediation, Path Analysis, SEM, Structural Equation Modeling

Related Posts

  • One of the Many Advantages to Running Confirmatory Factor Analysis with a Structural Equation Model
  • First Steps in Structural Equation Modeling: Confirmatory Factor Analysis
  • Member Training: Reporting Structural Equation Modeling Results
  • Three Myths and Truths About Model Fit in Confirmatory Factor Analysis

Member Training: Power Analysis and Sample Size Determination Using Simulation

by guest contributer  Leave a Comment

This webinar will show you strategies and steps for using simulations to estimate sample size and power. You will learn:
  • A review of basic concepts of statistical power and effect size
  • A simulation-based approach to power analysis
  • An overview of how to implement simulations in various popular software programs.
[Read more…] about Member Training: Power Analysis and Sample Size Determination Using Simulation

Tagged With: ANOVA, effect size, mediation, mixed model, Path Analysis, Power Analysis, quantitative research, sample size, simulation

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To Moderate or to Mediate?

by guest contributer  Leave a Comment

by Christos Giannoulis, PhD

We get many questions from clients who use the terms mediator and moderator interchangeably.

They are easy to confuse, yet mediation and moderation are two distinct terms that require distinct statistical approaches.

The key difference between the concepts can be compared to a case where a moderator lets you know when an association will occur while a mediator will inform you how or why it occurs.

[Read more…] about To Moderate or to Mediate?

Tagged With: independent variable, Interaction Terms, mediation, Moderation, Path Analysis, Structural Equation Modeling

Related Posts

  • The Four Models You Meet in Structural Equation Modeling
  • Exogenous and Endogenous Variables in Structural Equation Modeling
  • One of the Many Advantages to Running Confirmatory Factor Analysis with a Structural Equation Model
  • First Steps in Structural Equation Modeling: Confirmatory Factor Analysis

Member Training: Mediated Moderation and Moderated Mediation

by guest contributer  Leave a Comment

Often a model is not a simple process from a treatment or intervention to the outcome. In essence, the value of X does not always directly predict the value of Y.

Mediators can affect the relationship between X and Y. Moderators can affect the scale and magnitude of that relationship. And sometimes the mediators and moderators affect each other.

[Read more…] about Member Training: Mediated Moderation and Moderated Mediation

Tagged With: analysis, linear regression, mediation, model, moderated, Moderation, Path Analysis

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What’s in a Name? Moderation and Interaction, Independent and Predictor Variables

by Karen Grace-Martin  10 Comments

One of the most confusing things about statistical analysis is the different vocabulary used for the same, or nearly-but-not-quite-the-same, concepts.

Sometimes this happens just because the same analysis was developed separately within different fields and named twice.

So people in different fields use different terms for the same statistical concept.  Try to collaborate with a colleague in a different field and you may find yourself awed by the crazy statistics they’re insisting on.

Other times, there is a level of detail that is implied by one term that isn’t true of the wider, more generic term.  This level of detail is often about how the role of variables or effects affects the interpretation of output. [Read more…] about What’s in a Name? Moderation and Interaction, Independent and Predictor Variables

Tagged With: independent, interaction, Moderation, Path Analysis, predictor variable

Related Posts

  • Confusing Statistical Terms #1: The Many Names of Independent Variables
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  • Actually, you can interpret some main effects in the presence of an interaction
  • Spotlight Analysis for Interpreting Interactions

Member Training: Introduction to Structural Equation Modeling

by guest contributer  Leave a Comment

Structural Equation Modeling (SEM) is a popular method to test hypothetical relationships between constructs in the social sciences. These constructs may be unobserved (a.k.a., “latent”) or observed (a.k.a., “manifest”).

In this webinar, guest instructor Manolo Romero Escobar will describe the different types of SEM: confirmatory factor analysis, path analysis for manifest and latent variables, and latent growth modeling (i.e., the application of SEM on longitudinal data).

We’ll discuss the different terminology, the commonly used symbology, and the different ways a model can be specified, as well as how to present results and evaluate the fit of the models.

This webinar will be at a very basic conceptual level; however, it is assumed that participants have an understanding of multiple regression, interpretation of statistical tests, and methods of data screening.


Note: This training is an exclusive benefit to members of the Statistically Speaking Membership Program and part of the Stat’s Amore Trainings Series. Each Stat’s Amore Training is approximately 90 minutes long.

[Read more…] about Member Training: Introduction to Structural Equation Modeling

Tagged With: Confirmatory Factor Analysis, Latent Growth Curve Model, Path Analysis, Structural Equation Modeling

Related Posts

  • The Four Models You Meet in Structural Equation Modeling
  • Member Training: A Guide to Latent Variable Models
  • One of the Many Advantages to Running Confirmatory Factor Analysis with a Structural Equation Model
  • First Steps in Structural Equation Modeling: Confirmatory Factor Analysis

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