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Variable system: An alternative approach for the analysis of mediated moderation
Joyce Lok Yin Kwan1, Wai Chan2
1Department of Psychology and Assessment Research Centre, The Education University of Hong Kong.
Mediated moderation (meMO) is clarified with a new model specification, distinguishing it from moderated mediation (moME). This research introduces an integrated analysis approach and software for conditional path models.
Area of Science:
- Social Sciences
- Psychology
- Statistics
Background:
- Mediated moderation (meMO) describes moderation effects transmitted through a mediator.
- Existing meMO model specifications (Type I, Type II) face conceptual and statistical challenges.
- meMO models are often statistically equivalent to moderated mediation (moME) models, hindering differentiation.
Purpose of the Study:
- To differentiate meMO from moME by proposing a novel, statistically unique meMO specification.
- To develop an integrated structural equation modeling approach for analyzing meMO and other conditional path models.
- To provide practical tools for researchers analyzing complex mediation and moderation processes.
Main Methods:
- Proposed an alternative, conceptually meaningful, and statistically distinct specification for meMO.
- Developed an integrated structural equation modeling framework for conditional path analysis.
- Created VS, a software program to implement the proposed analytical approach.
Main Results:
- The new meMO specification offers a unique statistical representation, differentiating it from moME.
- The integrated approach and VS software facilitate the analysis of meMO and general conditional path models.
- Illustrative examples demonstrate the practical application and comparative performance against traditional methods.
Conclusions:
- The study successfully differentiates meMO from moME through a novel specification.
- An integrated analytical framework and software (VS) are provided for applied researchers.
- This work enhances the understanding and empirical analysis of complex mediation and moderation processes.
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