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Titolo:
EXPANDING TEST-RETEST DESIGNS TO INCLUDE DEVELOPMENTAL TIME-LAG COMPONENTS
Autore:
MCARDLE JJ; WOODCOCK RW;
Indirizzi:
UNIV VIRGINIA,DEPT PSYCHOL CHARLOTTESVILLE VA 22903
Titolo Testata:
Psychological methods
fascicolo: 4, volume: 2, anno: 1997,
pagine: 403 - 435
SICI:
1082-989X(1997)2:4<403:ETDTID>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
STRUCTURAL EQUATION MODELS; ITEM RESPONSE THEORY; MEASUREMENT INVARIANCE; COVARIANCE-STRUCTURES; LONGITUDINAL DATA; INCOMPLETE DATA; GROWTH; TRAIT; STATE;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
87
Recensione:
Indirizzi per estratti:
Citazione:
J.J. Mcardle e R.W. Woodcock, "EXPANDING TEST-RETEST DESIGNS TO INCLUDE DEVELOPMENTAL TIME-LAG COMPONENTS", Psychological methods, 2(4), 1997, pp. 403-435

Abstract

Test-retest data can reflect systematic changes over varying intervals of time in a ''time-lag'' design. This article shows how latent growth models with planned incomplete data can be used to separate psychometric components of developmental interest, including internal consistency reliability, test-practice effects, factor stability, factor growth, and state fluctuation. Practical analyses are proposed using a structural equation model for longitudinal data on multiple groups with different test-retest intervals. This approach is illustrated using 2 sets of data collected from students measured on the Woodcock-Johnson-Revised Memory and Reading scales. The results show how alternative time-lag models can be fitted and interpreted with univariate, bivariate,and multivariate data. Benefits, limitations, and extensions of this structural time-lag approach are discussed.

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Documento generato il 30/11/20 alle ore 19:54:28