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Sulis, Isabella; Toland, Michael D. – Journal of Early Adolescence, 2017
Item response theory (IRT) models are the main psychometric approach for the development, evaluation, and refinement of multi-item instruments and scaling of latent traits, whereas multilevel models are the primary statistical method when considering the dependence between person responses when primary units (e.g., students) are nested within…
Descriptors: Hierarchical Linear Modeling, Item Response Theory, Psychometrics, Evaluation Methods
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Costanzo, Antonella; Desimoni, Marta – Large-scale Assessments in Education, 2017
The number of studies addressing issues of inequality in educational outcomes using cognitive achievement tests and variables from large-scale assessment data has increased. Here the value of using a quantile regression approach is compared with a classical regression analysis approach to study the relationships between educational outcomes and…
Descriptors: Achievement Tests, Measurement, Regression (Statistics), Correlation
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Fastame, Maria Chiara; Cherchi, Rossella; Penna, Maria Pietronilla – International Journal of School & Educational Psychology, 2015
The current research was aimed mainly at exploring the reliability of a short-screening tool developed to self-evaluate visuospatial abilities in children. We presented 290 Italian third, fourth, and fifth graders with the 16-item Shortened Visuospatial questionnaire and several objective measures of intellectual efficiency, such as Raven's…
Descriptors: Questionnaires, Visual Perception, Spatial Ability, Grade 3