Methodological Progress Note: Interrupted Time Series
نویسندگان
چکیده
منابع مشابه
Quasi-Experimental and Interrupted Time-Series Design
In this issue of the Journal of the Pediatric Infectious Diseases Society, Newland et al use a quasi-experimental study design. This study design, also known as a nonrandomized, postintervention design, is beneficial in infectious disease studies where complete control over the allocation and/or the timing of the intervention is not possible or is not ethical [1]. Scenarios in which randomizati...
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Interrupted Time Series (ITS) analysis represents a powerful quasi-experime-ntal design in which a discontinuity is enforced at a specific intervention point in a time series, and separate regression functions are fitted before and after the intervention point. Segmented linear/quantile regression can be used in ITS designs to isolate intervention effects by estimating the sudden/level change (...
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This paper uses a question-and-answer format to present the technical aspects of interrupted time-series analysis (ITSA). Topics include the potential relevance of ITSA to behavioral researchers, serial dependency, time-series models, tests of significance, and sources of ITSA information.
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BACKGROUND Computerized decision support reduces medication errors in inpatients, but limited evidence supports its effectiveness in reducing the coprescribing of interacting medications, especially in the outpatient setting. The usefulness of academic detailing to enhance the effectiveness of medication interaction alerts also is uncertain. METHODS This study used an interrupted time series ...
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RATIONALE, AIMS AND OBJECTIVES Single-group interrupted time series analysis (ITSA) is a popular evaluation methodology in which a single unit of observation is studied; the outcome variable is serially ordered as a time series, and the intervention is expected to "interrupt" the level and/or trend of the time series, subsequent to its introduction. The most common threat to validity is history...
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ژورنال
عنوان ژورنال: Journal of Hospital Medicine
سال: 2021
ISSN: 1553-5606,1553-5592
DOI: 10.12788/jhm.3543