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  • 1
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Journal of quantitative analysis in sports 2 (2006), S. 2 
    ISSN: 1559-0410
    Source: Berkeley Electronic Press Academic Journals
    Topics: Sports Science
    Notes: A current approach to the empirical study of the relationship between affect and the performance of athletes before and during a competition is idiographic in nature. Affect-performance zones are estimated for each athlete based on a sufficient number of paired affect and performance observations. Though extremely important for practitioners, the idiographic approaches introduced in the literature until now do not readily support generalizations across different populations (e.g., for different genders, levels of experience, and levels of expertise). This article illustrates how hierarchical linear modeling (HLM) can be effectively used to retain this idiographic focus, while also adding a nomothetic perspective describing the variation of individual affect-performance relationships across athletes. The article illustrates the computational and graphical options that, when appropriately used, can expand our understanding of the affect-performance linkage for both individual cases and populations of interest.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of personality 61 (1993), S. 0 
    ISSN: 1467-6494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Notes: A recently developed class of multilevel or hierarchical linear models (HLM) provides an intuitive and efficient way to estimate individual growth or change curves. The approach also models the between-subjects variation of the individual change curves with treatment factors and individual attributes. Unlike other repeated measures analysis methods common in the behavioral sciences, HLM allows the fit of data with unequal numbers of repeated observations for each subject, variable timing of observations, and missing data, features which are often characteristic of data from field studies. The application of HLM for the analysis of repeated psychological measures is discussed and illustrated here with depression data for college students. Strengths and limitations of the approach are discussed.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-2819
    Keywords: time series ; somatic symptoms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract The purpose of this article is to illustrate, for those unfamiliar with the methods, concomitant time series analyses and their utility in psychopathology research. In a case involving somatoform disorder, we offer a detailed illustration of these analytic procedures where hypotheses regarding psychosocial antecedents of somatic symptoms are tested. Also portrayed are methods for describing across-time trends and cycles in longitudinal data. Included is a discussion of other clinical questions amenable to a time series approach, as well as a consideration of practical issues in the design of such studies.
    Type of Medium: Electronic Resource
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