Session S19a (Monday, 9:30am, Wartik 107)

P126: Finding a theory-based instrument to measure motivation in general chemistry: Piloting the Academic Motivation Scale

Yujuan Liu (University of South Florida, USA), Jack Barbera (University of Northern Colorado, USA), Jennifer Lewis (University of South Florida, USA)

Self-Determination Theory (SDT) represents a broad framework to study human motivation and personality. Based on the Organismic Integration Theory within SDT, the Academic Motivation Scale (AMS) was used to measure students’ motivation towards education in first and second semester introductory college chemistry courses. The purpose of this study was not only to explore motivation but also to examine whether the instrument functions as expected from the theory. Self-reported scores from the paper-and-pencil instrument assess three types of intrinsic motivation (motivation to know, to accomplish, and to experience), three types of extrinsic motivation (external, introjected, and identified regulation), and amotivation, each on a seven-point Likert scale. Internal consistency reliability and the internal structure of the instrument were examined. The psychometric findings from this study will contribute to establishing evidence of the suitability of the AMS for college chemistry. The findings are also valuable for instructors interested in learning about students’ academic motivation.


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