Rasch Analysis in Physics Education Research: Why Measurement Matters (CROSBI ID 262831)
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Podaci o odgovornosti
Planinić, Maja ; Boone, William J. ; Sušac, Ana ; Ivanjek, Lana
engleski
Rasch Analysis in Physics Education Research: Why Measurement Matters
The Rasch model is a probabilistic model which describes the interaction of persons (test takers/survey respondents) with test/survey items and is governed by two parameters: item difficulty and person ability. Rasch measurement parallels physical measurement processes by constructing and using linear person and item measures that are independent of the particular characteristics of the sample and the test items along a unidimensional construct. The model’s properties make it especially suitable for test construction and evaluation as well as the development and use of surveys. The evaluation of item fit with the model can pinpoint problematic items and flag idiosyncratic respondents. The possibility of determining sample - independent item difficulties makes it possible to use the Rasch model for linking tests and tracking students’ progression. The use of Rasch model in PER is continuously increasing. We provide an overview and examples of its use and benefits, and also outline common mistakes/misconceptions made by researchers when considering the use of the Rasch model. We focus in particular on the question of how Rasch modeling can improve some common practices in PER, such as test construction, test evaluation, and calculation of student gain on PER diagnostic instruments.
Rasch model, physics education research
Rad je dio posebnog izdanja časopisa Physical Review Physics Education research Focused Collection: Quantitative Methods in PER: A Critical Examination
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Podaci o izdanju
15 (2)
2019.
020111
14
objavljeno
2469-9896
10.1103/PhysRevPhysEducRes.15.020111
Trošak objave rada u otvorenom pristupu
Povezanost rada
Fizika, Matematika