AN ALGEBRAIC THINKING SKILL TEST IN PROBLEM-SOLVING FOR SEVENTH GRADERS
نویسندگان
چکیده
Diagnostic tests have been developed previously to measure algebraic thinking skills; however, the do not specifically address problem-solving. Thus, an Algebraic Thinking Test (ATT) Instrument was skills in problem-solving involving linear equations. ATT comprises nine open-ended questions with three constructs: Generalized Arithmetic, Functions and Modeling. arithmetic involves students efficient calculation generalization; functional identifying number patterns, while modelling solving problems, similarities, performing calculations variables. This study is meant determine quality of instruments through validity reliability analysis using Rasch Measurement Model. The sample consisted 120 seventh graders aged 12 13, selected from two secondary schools Tuaran district, Malaysia. instrument found a strong dimensionality high construct validity. Cronbach Alpha (KR-20) demonstrated value .90 (very high), item respondent .98 (excellent) .86 (good), respectively, separation index 6.29 2.45 for person index. has good measuring among schools. Keywords: skills, equations, problem-solving, analysis,
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ژورنال
عنوان ژورنال: Problems of education in the 21st century
سال: 2023
ISSN: ['1822-7864', '2538-7111']
DOI: https://doi.org/10.33225//pec/23.81.223