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ERIC Number: EJ1417505
Record Type: Journal
Publication Date: 2024
Pages: 11
Abstractor: As Provided
EISSN: EISSN-1306-3030
Measuring Students' Conceptual Understanding of Real Functions: A Rasch Model Analysis
Anela Hrnjicic; Adis Alihodžic
International Electronic Journal of Mathematics Education, v19 n1 Article em0761 2024
Understanding the concepts related to real function is essential in learning mathematics. To determine how students understand these concepts, it is necessary to have an appropriate measurement tool. In this paper, we have created a web application using 32 items from conceptual understanding of real functions (CURF) item bank. We conducted a psychometric analysis using Rasch model on 207 first-year students. The analysis showed that CURF is a dependable and valid instrument for measuring students' CURF. The test is uni-dimensional; all items are consistent with the construct and have excellent item fit statistics. The results indicate that the items are independent of each other and unbiased towards the gender and high school background of the students.
International Electronic Journal of Mathematics Education. Suite 124, Challenge House 616 Mitcham Road, CR0 3AA, Croydon, London, UK. Tel: +44-208-936-7681; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Bosnia and Herzegovina (Sarajevo)
Grant or Contract Numbers: N/A