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Direct linkThoemmes, Felix; Liao, Wang; Jin, Ze – Journal of Educational and Behavioral Statistics, 2017
This article describes the analysis of regression-discontinuity designs (RDDs) using the R packages rdd, rdrobust, and rddtools. We discuss similarities and differences between these packages and provide directions on how to use them effectively. We use real data from the Carolina Abecedarian Project to show how an analysis of an RDD can be…
Descriptors: Regression (Statistics), Research Design, Robustness (Statistics), Computer Software
Peer reviewedJunker, Brian W.; Sijtsma, Klaas – Applied Psychological Measurement, 2001
Introduces this special issue on nonparametric item response theory and discusses its use in psychological and sociological research. Outlines each of the eight articles in the issue. (SLD)
Descriptors: Item Response Theory, Nonparametric Statistics, Psychological Studies, Research Methodology
Peer reviewedStout, William – Applied Psychological Measurement, 2001
Discusses the papers in this special issue, emphasizing the practical applicability of nonparametric item response theory (NIRT) and how NIRT addresses lack-of-fit issues. Also discusses the ability of NIRT to assess latent multidimensionality and the relation of latent multidimensionality analyses to construct validity. (SLD)
Descriptors: Construct Validity, Goodness of Fit, Item Response Theory, Nonparametric Statistics
Peer reviewedKatz, Barry; Tomazic, Terry J. – Teaching of Psychology, 1993
Describes primary and supplemental textbooks on nonparametric statistics. Lists conceptual and applied articles using these techniques. Recommends using the Statistical Package for the Social Sciences (SPSS-X) computer statistical analysis program. (CFR)
Descriptors: Higher Education, Instructional Effectiveness, Instructional Material Evaluation, Instructional Materials
