• Publications
  • Influence
Working memory, short-term memory, and general fluid intelligence: a latent-variable approach.
A study was conducted in which 133 participants performed 11 memory tasks (some thought to reflect working memory and some thought toreflect short-term memory), 2 tests of general fluid intelligence, and the Verbal and Quantitative Scholastic Aptitude Tests. Expand
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A General Item Response Theory Model for Unfolding Unidimensional Polytomous Responses
The generalized graded unfolding model (GGUM) is developed. This model allows for either binary or graded responses and generalizes previous item response models for unfolding in two useful ways.Expand
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Further Validation of the Multidimensional Students' Life Satisfaction Scale
The psychometric properties of a children's life satisfaction measure (MSLSS; Huebner, 1994) were assessed with a middle school sample of 291 students. Similar to findings with elementary schoolExpand
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A First Study of the Multidimensional Students’ Life Satisfaction Scale with Adolescents
The psychometric properties of the MultidimensionalStudents’ Life Satisfaction Scale (MSLSS: Huebner, 1994) were assessed with a sample of adolescents fromgrades 9–12. Results of confirmatory factorExpand
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Life events, self‐concept, and adolescents' positive subjective well‐being
This study investigated the interrelationships among global self-concept, life events, and positive subjective well-being (positive affect [PA], negative affect [NA], and life satisfaction [LS]) in aExpand
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Promoting intervention fidelity. Conceptual issues, methods, and preliminary results from the EARLY ALLIANCE prevention trial.
Fidelity refers to the demonstration that an experimental manipulation is conducted as planned. In outcome research, an intervention can be said to satisfy fidelity requirements if it can be shownExpand
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The Relationship between Temperament and Life Satisfaction in Early Adolescence: Cognitive and Behavioral Mediation Models
This study investigated the interrelationships among temperament, social self-efficacy, social competence, and life satisfaction in a sample of 160 early adolescents. A model was proposed based onExpand
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Characteristics of MML/EAP Parameter Estimates in the Generalized Graded Unfolding Model
The generalized graded unfolding model (GGUM) is a very general parametric, unidimensional item response theory model for unfolding either binary or polytomous responses to test items. Roberts,Expand
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A Model for Predicting Dating Violence: Anxious Attachment, Angry Temperament, and Need for Relationship Control
Structural equation modeling (SEM) was used to test a model incorporating anxious attachment, angry temperament, and attempts to control one’s partner as predictors of the severity and frequency ofExpand
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Validity Issues in the Likert and Thurstone Approaches to Attitude Measurement
This article highlights the theoretical differences between the Likert and Thurstone approaches to attitude measurement and demonstrates how such differences can lead to discrepant attitude estimatesExpand
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