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Using Phantom and Imaginary Latent Variables to Parameterize Constraints in Linear Structural Models

Rindskopf, David·1984·Psychometrika

Abstract

The most widely-used computer programs for structural equation models analysis are the LISREL series of Jöreskog and Sörbom. The only types of constraints which may be made directly are fixing parameters at a constant value and constraining parameters to be equal. Rindskopf (1983) showed how these simple properties could be used to represent models with more complicated constraints, namely inequality constraints on unique variances. In this paper, two new concepts are introduced which enable a much wider variety of constraints to be made. The concepts, “phantom” and “imaginary” latent variables, allow fairly general equality and inequality constraints on factor loadings and structural model coefficients.

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Metadata

Authors
Rindskopf, D.
Venue
Psychometrika
Published
1984-03
Volume
49
Issue
1
Pages
37-47
ISSN
  • 0033-3123 (ISSN-L)
  • 1860-0980
OpenAlex
W2042301765
Cited by
233
References
0
FWCI
6.17
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Using Phantom and Imaginary Latent Variables to Parameterize Constraints in Linear Structural Models. https://app.cochat.ai/papers/10.1007/bf02294204
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Rindskopf, D. (1984). Using Phantom and Imaginary Latent Variables to Parameterize Constraints in Linear Structural Models. Psychometrika. https://doi.org/10.1007/bf02294204

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