1986
DOI: 10.1037/0022-006x.54.1.106
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The attrition dilemma: Toward a new strategy for psychotherapy research.

Abstract: No matter how careful the design, the unavailability of certain data is a fact of life in every psychotherapy research project. This loss of data takes place at many points during a study, before and after patients meet inclusion criteria. There have been a variety of methods put forth to compensate for the effects of this data attrition, but these all rest on the untenable assumption that "attritors" and "completers" are equivalent samples of the same patient population. An analysis of the attrition dilemma a… Show more

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Cited by 83 publications
(41 citation statements)
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“…Recognizing that the RCT (randomized control/clinical trial) design has problems related to both external and internal validity (Tsang et al 2003;Howard et al 1986Howard et al , 1990, we used a naturalistic design to examine what practitioners actually did in their day-to-day practice. Among the larger data pool, we used a set of the data that consists of nine cases for the current report.…”
Section: Source Of Datamentioning
confidence: 99%
“…Recognizing that the RCT (randomized control/clinical trial) design has problems related to both external and internal validity (Tsang et al 2003;Howard et al 1986Howard et al , 1990, we used a naturalistic design to examine what practitioners actually did in their day-to-day practice. Among the larger data pool, we used a set of the data that consists of nine cases for the current report.…”
Section: Source Of Datamentioning
confidence: 99%
“…Examples include supplementing RCTs with controlled research conducted via PRNs, qualitative studies conducted by therapists, as well as including outcome variables that derive from more than one psychotherapeutic orientation. Other promising methodological advances include the use of single-case experimental designs (Kazdin, 1981), time-series experimentation as a research tool for clinical practice (Hayes, 1981), the inclusion of case studies within a mixed methods paradigm in clinical trials (Dattilio, Fishman, & Edwards, 2010; Howard, Krause, & Orlinsky, 1986), and the adoption of Cronbach's (1975) “intensive local observation” approach as applied to clinical investigations (see Barlow, 1981), to name a few.…”
Section: A Translational Model Of Rpimentioning
confidence: 99%
“…Premature termination from treatment on the part of the client represents a significant issue in psychotherapy research (Flick, 1988;Howard, Krause & Orlinsky, 1986). From a methodological standpoint, loss of cases (attrition) during the course of the investigation can affect virtually all facets of experimental validity by altering the random composition of groups, reducing statistical power, and limiting the generality of findings across subjects.…”
Section: Introductionmentioning
confidence: 99%