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Educational and Psychological…1
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Kim, Seock-Ho1
Patsopoulos, Nikolaos A.1
Pavlides, Marios1
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Veroniki, Areti Angeliki1
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Reconstructing 2 X 2 Contingency Tables from Odds Ratios Using the Di Pietrantonj Method: Difficulties, Constraints and Impact in Meta-Analysis Results
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Veroniki, Areti Angeliki; Pavlides, Marios; Patsopoulos, Nikolaos A.; Salanti, Georgia – Research Synthesis Methods, 2013
A problem that is frequently encountered during the systematic review process is when studies that meet the inclusion criteria do not provide the appropriate numerical estimates to include in a meta-analysis. For dichotomous outcomes, a method has been suggested by Di Pietrantonj for reconstructing the 2 × 2 table when the Odds Ratio…
Descriptors: Meta Analysis, Tables (Data), Statistical Analysis, Error of Measurement
Some Posterior Standard Deviations in Item Response Theory
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Kim, Seock-Ho – Educational and Psychological Measurement, 2007
The procedures required to obtain the approximate posterior standard deviations of the parameters in the three commonly used item response models for dichotomous items are described and used to generate values for some common situations. The results were compared with those obtained from maximum likelihood estimation. It is shown that the use of…
Descriptors: Item Response Theory, Computation, Comparative Analysis, Evaluation Methods