University of Notre Dame
Browse

File(s) under permanent embargo

A Comparison of the Diagonal and Cross-Sectional Designs When Assessing Longitudinal Mediation

thesis
posted on 2009-10-29, 00:00 authored by Melissa Ann Mitchell
Mediational studies are of interest in psychology since they explain the underlying relationship between two constructs. The gold standard for studying mediation in psychology is a longitudinal latent variable model. However, many mediational studies use a cross-sectional approach even though deficiencies have been identified. In recent publications, a new approach, the diagonal (sequential) design has been used to examine mediation. This design is a compromise between the cross-sectional and longitudinal designs since it incorporates time in the model but only has one measurement of X, M, and Y. These two designs were compared to see whether the diagonal design assesses longitudinal mediation more accurately than the cross-sectional design when mediation is full or partial. It was found that the diagonal design does not assess longitudinal mediation more accurately than the cross-sectional design. Neither designs cannot be depended on to accurately assess longitudinal mediation.

History

Date Modified

2017-06-02

Research Director(s)

Scott E. Maxwell

Degree

  • Master of Arts

Degree Level

  • Master's Thesis

Language

  • English

Alternate Identifier

etd-10292009-094253

Publisher

University of Notre Dame

Program Name

  • Psychology

Usage metrics

    Masters Theses

    Categories

    No categories selected

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC