Literaturnachweis - Detailanzeige
| Autor/inn/en | Wing, Coady; Bello-Gomez, Ricardo A. |
|---|---|
| Titel | Regression Discontinuity and Beyond: Options for Studying External Validity in an Internally Valid Design |
| Quelle | In: American Journal of Evaluation, 39 (2018) 1, S.91-108 (18 Seiten)Infoseite zur Zeitschrift
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| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1098-2140 |
| DOI | 10.1177/1098214017736155 |
| Schlagwörter | Regression (Statistics); Research Design; Validity; Evaluation Methods; Inferences; Causal Models; Program Evaluation; Quasiexperimental Design; Cutting Scores; Comparative Analysis; Statistical Bias; Research Problems |
| Abstract | Treatment effect estimates from a "regression discontinuity design" (RDD) have high internal validity. However, the arguments that support the design apply to a subpopulation that is narrower and usually different from the population of substantive interest in evaluation research. The disconnect between RDD population and the "evaluation population of interest" suggests that RDD evaluations lack external validity. New methodological research offer strategies for studying and sometimes improving external validity in RDDs. This article examines four techniques: "comparative RDD," "covariate matching RDD," "treatment effect derivatives," and "statistical tests for local selection bias." The goal of the article is to help evaluators understand the logic, assumptions, data requirements, and reach of the new methods. (As Provided). |
| Anmerkungen | SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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