Vol. 19 No. 2 (2021)
Articles

How do secondary school students from the Kurdistan Region of Iraq understand the concept of function?

Published February 4, 2022
Yusuf Fakhraddin Hussein
EÖTVÖS LORÁND UNIVERSITY, HUNGARY; FACULTY OF EDUCATION AND PSYCHOLOGY, UNIVERSITY OF EAST ANGLIA, UK
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Csaba Csíkos
INSTITUTE OF EDUCATION, UNIVERSITY OF SZEGED, HUNGARY
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The study investigates secondary school students' understanding of the concept of function. The paper focuses on three main aspects: students' ability to define the concept of function; students' ability to recognize different representations of function; and students' ability to convert between different representations. A test was developed to assess the three main constructs of the study and administered to 342 students in secondary schools in the Kurdistan Region of Iraq. According to the results, students have diffculties in recognizing different representations of function and conversion between them. Connections between different parts of the test may provide hints on educational challenges of how to appropriately teach functions.

Subject Classification: 26Bxx, 97D60