Journal ArticleDOI
Comparative fit indexes in structural models
TLDR
A new coefficient is proposed to summarize the relative reduction in the noncentrality parameters of two nested models and two estimators of the coefficient yield new normed (CFI) and nonnormed (FI) fit indexes.Abstract:
Normed and nonnormed fit indexes are frequently used as adjuncts to chi-square statistics for evaluating the fit of a structural model A drawback of existing indexes is that they estimate no known population parameters A new coefficient is proposed to summarize the relative reduction in the noncentrality parameters of two nested models Two estimators of the coefficient yield new normed (CFI) and nonnormed (FI) fit indexes CFI avoids the underestimation of fit often noted in small samples for Bentler and Bonett's (1980) normed fit index (NFI) FI is a linear function of Bentler and Bonett's non-normed fit index (NNFI) that avoids the extreme underestimation and overestimation often found in NNFI Asymptotically, CFI, FI, NFI, and a new index developed by Bollen are equivalent measures of comparative fit, whereas NNFI measures relative fit by comparing noncentrality per degree of freedom All of the indexes are generalized to permit use of Wald and Lagrange multiplier statistics An example illustrates the behavior of these indexes under conditions of correct specification and misspecification The new fit indexes perform very well at all sample sizesread more
Citations
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The Role of Culture and Gender in the Relationship between Positive and Negative Affect
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The Curiosity and Exploration Inventory-II: Development, factor structure, and psychometrics.
Todd B. Kashdan,Matthew W. Gallagher,Paul J. Silvia,Beate P. Winterstein,William E. Breen,Daniel Terhar,Michael F. Steger +6 more
TL;DR: The findings thus far provide good evidence for the psychometric properties of the 10-item CEI-II, including positive correlations with personal growth, openness to experience, autonomy, purpose in life, self- acceptance, psychological flexibility, positive affect, and positive social relations.
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Alliance networks and firm performance: The impact of repeated partnerships
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Internal and external validity of attention-deficit hyperactivity disorder in a population-based sample of adults.
J. J. Sandra Kooij,Jan K. Buitelaar,Edwin J. C. G. van den Oord,Johan W. Furer,Cees A. Th. Rijnders,P.P.G. Hodiamont +5 more
TL;DR: The results support the internal and external validity of ADHD in adults between 18 and 75 years, and show that ADHD is not merely a child psychiatric disorder that persists into young adulthood, but an important and unique manifestation of psychopathology across the lifespan.
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The Measurement of Everyday Cognition (ECog): Scale Development and Psychometric Properties
Sarah E Tomaszewski Farias,Dan M Mungas,Bruce R Reed,Deborah A. Cahn-Weiner,William J. Jagust,Kathleen Baynes,Charles DeCarli +6 more
TL;DR: The ECog correlated with established measures of functional status and global cognition, but only weakly with age and education, and shows promise as a useful tool for the measurement of general and domain-specific everyday functions in the elderly.
References
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Journal ArticleDOI
Significance tests and goodness of fit in the analysis of covariance structures
TL;DR: In this article, a general null model based on modified independence among variables is proposed to provide an additional reference point for the statistical and scientific evaluation of covariance structure models, and the importance of supplementing statistical evaluation with incremental fit indices associated with the comparison of hierarchical models.
Journal ArticleDOI
A reliability coefficient for maximum likelihood factor analysis
Ledyard R Tucker,Charles Lewis +1 more
TL;DR: In this paper, a reliability coefficient is proposed to indicate quality of representation of interrelations among attributes in a battery by a maximum likelihood factor analysis, which can indicate that an otherwise acceptable factor model does not exactly represent the interrelations between the attributes for a population.
Journal ArticleDOI
Model Selection and Akaike's Information Criterion (AIC): The General Theory and Its Analytical Extensions.
TL;DR: In this article, the entropy-based information criterion (AIC) has been extended in two ways without violating Akaike's main principles: CAIC and CAICF, which make AIC asymptotically consistent and penalize overparameterization more stringently.
Journal ArticleDOI
Goodness-of-fit indexes in confirmatory factor analysis : The effect of sample size
TL;DR: In this paper, the influence of sample size on different goodness-of-fit indices used in confirmatory factor analysis (CFA) was examined and the results are consistent with the observation that the amount of random, unexplained variance varies inversely with sample size.