Main Effects Analysis in Clinical Research: Statistical Guidelines for Disaggregating Treatment Groups.

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Title: Main Effects Analysis in Clinical Research: Statistical Guidelines for Disaggregating Treatment Groups.
Language: English
Authors: Lyons, John S., Howard, Kenneth I.
Source: Journal of Consulting and Clinical Psychology. Oct 1991 59(5):745-748.
Peer Reviewed: Y
Page Count: 4
Publication Date: 1991
Intended Audience: Researchers
Document Type: Journal Articles
Reports - General
Descriptors: Clinical Psychology, Outcomes of Treatment, Research and Development
ISSN: 0022-006X
Abstract: Treatment outcome research generally relies on main effects analysis of variance to determine whether treatments are differentially effective. There is reason to consider disaggregating main effects even when conditions of heterogeneity of variance are not violated. Potential statistical significance of disaggregation can be shown to be function of reliability of dependent measure. (Author/NB)
Journal Code: CIJJUN1992
Entry Date: 1992
Accession Number: EJ438859
Database: ERIC
FullText Text:
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Consulting+and+Clinical+Psychology%22"><i>Journal of Consulting and Clinical Psychology</i></searchLink>. Oct 1991 59(5):745-748.
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  Data: Treatment outcome research generally relies on main effects analysis of variance to determine whether treatments are differentially effective. There is reason to consider disaggregating main effects even when conditions of heterogeneity of variance are not violated. Potential statistical significance of disaggregation can be shown to be function of reliability of dependent measure. (Author/NB)
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      – Text: English
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        PageCount: 4
        StartPage: 745
    Subjects:
      – SubjectFull: Clinical Psychology
        Type: general
      – SubjectFull: Outcomes of Treatment
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      – SubjectFull: Research and Development
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      – TitleFull: Main Effects Analysis in Clinical Research: Statistical Guidelines for Disaggregating Treatment Groups.
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            NameFull: Lyons, John S.
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            NameFull: Howard, Kenneth I.
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