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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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Hampton, David D.; Lembke, Erica S. – Reading & Writing Quarterly, 2016
The purpose of this study was to examine 4 early writing measures used to monitor the early writing progress of 1st-grade students. We administered the measures to 23 1st-grade students biweekly for a total of 16 weeks. We obtained 3-min samples and conducted analyses for each 1-min increment. We scored samples using 2 different methods: correct…
Descriptors: Progress Monitoring, Curriculum Based Assessment, Writing Tests, Outcome Measures