Measuring junior high school students' self-efficacy in mathematics requires valid and reliable measuring instruments. This study aimed to test the validity and reliability of the instrument of the Self-Efficacy Questionnaire (SEQ) of junior high school students in mathematics. This research method uses a quantitative approach. Before being given to students, SEQ was empirically validated by two senior lecturers of mathematics education with an average score of 43.50> 30.50. SEQ was given to 9th-grade students of SMP Muhammadiyah 4 Malang City for 30 minutes, and the researcher directly supervised the implementation. The results of SEQ declared valid with sig. (2-tailed) 0.70. The 20 valid SEQ statements can be used to evaluate junior high school students' self-efficacy in mathematics. It is suggested that future researchers test the instrument on a larger population because the students involved in this study were too few, namely nine students, and the number of statements in the questionnaire should also be considered to be compiled in large numbers.

Authors:
Ovan Ovan, Universitas Negeri Surabaya, Indonesia
Mega Teguh Budiarto, Universitas Negeri Surabaya, Indonesia
Yusuf Fuad, Universitas Negeri Surabaya, Indonesia

About the Presenter(s)
Mr Ovan Ovan is a University Doctoral Student at Universitas Negeri Surabaya in Indonesia

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