Psychological Test and Assessment Modeling

Articles from Vol. 57, No. 4, 2015

Commonalities and Differences in IRT-Based Methods for Nonignorable Item Nonresponses
Missing data are an inevitable problem for applied researchers. They may occur for many different reasons. For example, participants may not be willing to participate in a study, leading to unit nonresponses, or participants may be unable or unwilling...
Investigating Mechanisms for Missing Responses in Competence Tests
(ProQuest: ... denotes formulae omitted.)Theoretical backgroundLarge-scale assessment studies such as the National Assessment of Educational Progress (NAEP) or the Programme for International Student Assessment (PISA) aim at recording students' learning...
Missing Values in Large-Scale Assessment Studies: Guest Editorial
Within the last decades, the increased availability of data from large scale assessment studies triggered tremendous research on educational issues, for example, international comparisons, competence development, and the role of education for competence...
Multiple Imputation of Missing Categorical Data Using Latent Class Models: State of the Art
(ProQuest: ... denotes formulae omitted.)IntroductionSocial and behavioral science researchers often collect data using tests or questionnaires consisting of items which are supposed to measure one or more underlying constructs. In a psychology assessment...
Nonignorable Data in IRT Models: Polytomous Responses and Response Propensity Models with Covariates
IntroductionMissing data are always a source of concern for statistical analyses. It raises the level complexity of statistical inference. Many researchers, methodologists, and software developers resort to editing the data, although ad hoc edits may...
Partitioned Predictive Mean Matching as a Multilevel Imputation Technique
(ProQuest: ... denotes formulae omitted.)IntroductionIn large scale assessment surveys, missing values for student demographic and socioeconomic background data are frequently encountered. Often such data has a multilevel structure, where respondents...
The Hybrid Rating Method: Assessment of a Novel Way to Measure Attitudes
Different rating methods that attempt to measure attitudes have become a hallmark of social sciences and while they are widely used, they are still heavily discussed and iterated upon. This paper proposes and assesses a new method that was developed...
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