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Between-Person and Within-Person Subscore Reliability: Comparison of Unidimensional and Multidimensional IRT Models
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Bulut, Okan – ProQuest LLC, 2013
The importance of subscores in educational and psychological assessments is undeniable. Subscores yield diagnostic information that can be used for determining how each examinee's abilities/skills vary over different content domains. One of the most common criticisms about reporting and using subscores is insufficient reliability of subscores.…
Descriptors: Item Response Theory, Simulation, Correlation, Reliability
Comparing the Relative Fit of Categorical and Dimensional Latent Variable Models Using Consistency Tests
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Ruscio, John; Walters, Glenn D.; Marcus, David K.; Kaczetow, Walter – Psychological Assessment, 2010
A number of recent studies have used Meehl's (1995) taxometric method to determine empirically whether one should model assessment-related constructs as categories or dimensions. The taxometric method includes multiple data-analytic procedures designed to check the consistency of results. The goal is to differentiate between strong evidence of…
Descriptors: Methods, Comparative Analysis, Data Analysis, Reliability
Diagnostic Classification Models: Are They Necessary? Commentary on Rupp and Templin (2008)
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Gorin, Joanna S. – Measurement: Interdisciplinary Research and Perspectives, 2009
In their paper "Unique Characteristics of Diagnostic Classification Models: A Comprehensive Review of the Current State-of-the-Art," Andre Rupp and Jonathan Templin (2008) provide a comparative analysis of selected psychometric models useful for the analysis of multidimensional data for purposes of diagnostic score reporting. Recent assessment…
Descriptors: Psychological Evaluation, Classification, Scores, Psychometrics
Analysis of Affective Instability in Ecological Momentary Assessment: Indices Using Successive Difference and Group Comparison via Multilevel Modeling
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Jahng, Seungmin; Wood, Phillip K.; Trull, Timothy J. – Psychological Methods, 2008
Temporal instability of affect is a defining characteristic of psychological disorders such as borderline personality disorder (BPD) and mood cycling disorders. Ecological momentary assessment (EMA) enables researchers to directly assess such frequent and extreme fluctuations over time. The authors examined 4 operationalizations of such temporal…
Descriptors: Mental Disorders, Psychological Evaluation, Affective Measures, Patients
Item Response Theory.
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Harvey, Robert J.; Hammer, Allen L. – Counseling Psychologist, 1999
Examines item-response theory (IRT), which seeks to model the way in which latent psychological constructs manifest themselves in terms of observable item responses. Provides an overview of the most popular IRT models and contrasts them with the techniques used in classical test theory. Results highlight several IRT advantages. (Author/GCP)
Descriptors: Comparative Analysis, Counseling Psychology, Data Collection, Item Response Theory
The Structure and Activity Experience of the School Psychology Service.
Dzhrnazian, L. N. – Soviet Education, 1990
Proposes a model for school psychology services in the Soviet Union. Investigates positive and negative images of teachers and students held by 90 seventh and eighth grade students and 18 teachers. Finds an authoritarian type of complementarity, revealing that teachers' images of students often match their expectations. Recommends fostering more…
Descriptors: Authoritarianism, Child Psychology, Comparative Analysis, Content Analysis