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Andrich, David – Educational and Psychological Measurement, 2013
Assessments in response formats with ordered categories are ubiquitous in the social and health sciences. Although the assumption that the ordering of the categories is working as intended is central to any interpretation that arises from such assessments, testing that this assumption is valid is not standard in psychometrics. This is surprising…
Descriptors: Item Response Theory, Classification, Statistical Analysis, Models

O'Dell, Jerry W. – Educational and Psychological Measurement, 1974
Descriptors: Analysis of Variance, Computer Programs, Linear Programing, Models

Harwell, Michael – Educational and Psychological Measurement, 1999
Suggests two complementary frameworks for providing validity evidence for rating data. One conceptualizes raters as data collection instruments that should be subject to traditional procedures for establishing validity evidence; the other evaluates studies using raters from an experimental design perspective allowing the assessment of the study's…
Descriptors: Data Analysis, Data Collection, Educational Research, Models