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Harmon, Jon; Warnakulasooriya, Rasil – International Educational Data Mining Society, 2019
The Additive Factor Model (AFM) is a cognitive diagnostic model that can be used to predict student performance on items in a context that allows for student learning. Within AFM, "skills" have a learning rate, and student acquisition of a skill depends only on the number of opportunities a student has had to exercise that skill and the…
Descriptors: Electronic Learning, Factor Analysis, Goodness of Fit, Item Response Theory
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Ma, Colleen; Harris, Peter; Cole, Andrew; Jones, Phil; Shulruf, Boaz – Issues in Educational Research, 2016
The objectives of this study were to identify the effectiveness of the panel admission interview as a selection tool for the medical program and identify improvements in the selection tools battery. Data from 1024 students, representing four cohorts of students were used in this study. Exploratory factor analysis using principal component analysis…
Descriptors: Interviews, Medical Education, College Admission, Admission Criteria
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Hiller, Suzanne E. – International Journal of Environmental and Science Education, 2016
Citizen science programs provide opportunities for students to help professional scientists while fostering science achievement and motivation. Instruments which measure the effects of this type of programs on student motivational beliefs are limited. The purpose of this study was to describe the process of examining the reliability and validity…
Descriptors: Test Construction, Scientific Literacy, Self Efficacy, Likert Scales
Soine, Karen M. – ProQuest LLC, 2011
This primary purpose of the study was to expand the work of Garet, Porter, Desimone, Birman, and Yoon (2001) by creating and psychometrically testing an instrument designed to measure teachers' perceptions of characteristics of professional development. Elementary teachers (n = 406) from five school districts in Washington State participating in a…
Descriptors: Psychometrics, Construct Validity, Predictive Validity, Factor Analysis
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Tyson, Edgar H.; Glisson, Charles – Research on Social Work Practice, 2005
Objective: This study examined the cross-ethnic measurement equivalence of the Shortform Assessment for Children (SAC) using a sample of 562 African American and 692 White children. Method: A prospective, two-panel survey design was used in this study. Baseline and 6-month follow-up data were used to conduct analyses of the reliability and…
Descriptors: Child Welfare, Test Validity, Predictive Validity, Rating Scales