This study aimed to develop and validate a comprehensive measurement scale, the Mathematical Proficiency Inventory Scale (MPIS), for assessing mathematical proficiency, attitudes, and behaviors among learners. Through exploratory factor analysis (EFA), three (3) components were examined: The Mathematical Proficiency Rating Scale (MPRS), the Productive Disposition Survey Scale (PDSS), and the Mathematical Proficiency Test (MPT). For the MPRS, EFA revealed three (3) distinct factors: Adaptive Reasoning, Conceptual Understanding, and Procedural Fluency, with high sampling adequacy (KMO = 0.971) and explained variance of 76.074%. Reliability analysis indicated excellent internal consistency, with Cronbach's alpha values exceeding α = 0.90 for all dimensions and an overall reliability of α = 0.972. Similarly, the PDSS identified four (4) factors: Persistence and Motivation, Real-life Application of Mathematics, Effort and Perseverance, and Time Management in Mathematics, with a KMO value of 0.957 and explained variance of 49.291%. The PDSS demonstrated good internal consistency, with Cronbach's alpha values exceeding α = 0.70 for all dimensions and an overall reliability of α = 0.840. Additionally, the development process of the MPT, demonstrated high reliability across all grades (α > 0.70) ensured alignment with educational standards and effective assessment of learners' mathematical abilities. The MPT represented a comprehensive and reliable tool for evaluating mathematical proficiency, with high ratings affirming its effectiveness across grades 5, 6, and 7. These findings underscore the importance of fostering adaptive reasoning, conceptual understanding, productive disposition, and problem-solving skills in mathematics education.

Authors:
Mary Cris Go, Northern Bukidnon State College, Philippines
Laila Lomibao, University of Science and Technology of Southern Philippines, Philippines

About the Presenter(s)
Mary Cris J Go is an Instructor I and BLEPT Enhancement Program Coordinator at Northern Bukidnon State College, with a strong background in mathematics education. She holds a Bachelor of Secondary Education in Mathematics from MSU-IIT.

Connect on Linkedin
https://www.linkedin.com/in/ mary-cris-426782134

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