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Full-Text Articles in Education
The Effects Of Scaling On Trends Of Development: Classical Test Theory And Item Response Theory, Weldon Z. Smith
The Effects Of Scaling On Trends Of Development: Classical Test Theory And Item Response Theory, Weldon Z. Smith
College of Education and Human Sciences: Dissertations, Theses, and Student Research
The scale metrics used in educational testing are often arbitrary, and this can impact interpretation of scores on measurements. Both classical test theory sum scores and item response theory estimates measure the same underlying dimension, but differences in the two scales may lead one to be more preferential than the other in interpreting data. Mismatch between individual ability and test difficulty can further result in difficulties in correctly interpreting trends of development in longitudinal data. A previous limited simulation by Embretson (2007) demonstrated that classical test theory sum scores result in misinterpretation of linear trends of development, and that item …
Longitudinal Analysis For Ordinal Data Through Multilevel And Item Response Modeling: Applications To Child Observation Record (Cor), Zijia Li
Theses and Dissertations--Educational, School, and Counseling Psychology
The large proportion of children from low SES backgrounds and the increasing achievement gap between disadvantaged children and their more advantaged peers are beckoning national attention to investment in early childhood education (Reid, Kagan, Hilton, & Potter, 2015). As evidenced in many research studies (e.g., Heckman & Masterov, 2007), early childhood experiences are critical to the development of children. High-quality early learning is necessary for children, especially disadvantaged children, to narrow the school readiness gap and to build a foundation for more advanced academic, social, and cognitive skills. Importantly, high quality assessment tools (i.e., reliability and validity evidence supporting the …