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Li, Feifei – ETS Research Report Series, 2017
An information-correction method for testlet-based tests is introduced. This method takes advantage of both generalizability theory (GT) and item response theory (IRT). The measurement error for the examinee proficiency parameter is often underestimated when a unidimensional conditional-independence IRT model is specified for a testlet dataset. By…
Descriptors: Item Response Theory, Generalizability Theory, Tests, Error of Measurement
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Pereira, Nielsen; Bakhiet, Salaheldin Farah; Gentry, Marcia; Balhmar, Tahani Abdulrahman; Hakami, Sultan Mohammed – Journal of Advanced Academics, 2017
This study examined the psychometric properties and measurement invariance of the Arabic version of "My Class Activities" (MCA), an instrument designed to measure students' perceptions of interest, challenge, choice, and enjoyment in classrooms. Scores of 3,516 Sudanese students in Grades 2 to 8 were used. Confirmatory factor analysis…
Descriptors: Student Attitudes, Factor Analysis, Comparative Analysis, Gifted
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Niehaus, Kate; Adelson, Jill L. – Journal of Educational Psychology, 2013
This study examined the measurement and interpretation of self-concept among the growing population of children who are English Language Learners (ELLs). More specifically, a 3-group analysis was conducted comparing native English-speaking children, Spanish-speaking ELLs, and ELLs from Asian language backgrounds. Data were drawn from the Early…
Descriptors: Kindergarten, English (Second Language), Speech Communication, Second Language Learning