CODI Test

Description

- Examination of students' error patterns in the field of functions in a quantitative way - research questions: How often do typical error patterns occur among students? Which of them can be ascribed to underlying obstacles? Which of them turns out to be robust over time? - Test instrument and background available online at www.codi-test.de - Data set of 569 students in the main study (28 items); Data set of 168 students in the additional test (six months later) - Eight error patterns which occur among more than 10% of the students -Identification of four error patterns which seem to be particularly robust over a longer period of time

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