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Titolo:
Kelley's formula as a basis for the assessment of reliable change
Autore:
Maassen, GH;
Indirizzi:
Univ Utrecht, Fac Social Sci, Dept Methodol & Stat, NL-3508 TC Utrecht, Netherlands Univ Utrecht Utrecht Netherlands NL-3508 TC 3508 TC Utrecht, Netherlands
Titolo Testata:
PSYCHOMETRIKA
fascicolo: 2, volume: 65, anno: 2000,
pagine: 187 - 197
SICI:
0033-3123(200006)65:2<187:KFAABF>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAIN SCORES OBSOLETE; CLINICAL-SIGNIFICANCE; PSYCHOTHERAPY; RELIABILITY; THERAPY; GROWTH;
Keywords:
difference scores; reliable change index; Kelley's formula;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Maassen, GH Univ Utrecht, Fac Social Sci, Dept Methodol & Stat, POB 80140,NL-3508 TC Utrecht, Netherlands Univ Utrecht POB 80140 Utrecht Netherlands NL-3508 TC erlands
Citazione:
G.H. Maassen, "Kelley's formula as a basis for the assessment of reliable change", PSYCHOMETRI, 65(2), 2000, pp. 187-197

Abstract

In the literature on the measurement of change, reliable change is usuallydetermined by means of a confidence interval around an observed value of astatistic that estimates the true change. In recent literature on the efficacy of psychotherapies, attention has been particularly directed at the improvement of the estimation of the true change. Reliable Change Indices, incorporating the reliability-weighted measure of individual change, also known as Kelley's formula, have been proposed. According to current practice, these indices are defined as the ratio of such an estimator and an intuitively appealing criterion and then regarded as standard normally distributed statistics. However, because the authors fail to adopt an adequate standarderror of the estimator, the statistical properties of their indices are unclear. In this article, it is shown that this can lead to paradoxical conclusions. The adjusted standard error is derived.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 10:01:04