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Min Qi; Xinyang Hu; Hualin Bi – Journal of Baltic Science Education, 2024
The redox reaction is a core concept of upper-secondary school chemistry curriculum. Accurate diagnosis of students' conceptual understanding of the redox reaction from a cognitive structure perspective is critical for enhancing their understanding of chemical concepts. This study utilized Bayesian networks to investigate the cognitive structures…
Descriptors: Bayesian Statistics, Cognitive Measurement, Diagnostic Tests, Cognitive Structures
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Wang, Yunqi; Siegler, Robert S. – Developmental Psychology, 2023
We examined the development of numerical magnitude representations of fractions and decimals from fourth to 12th grade. In Experiment 1, we assessed the rational number magnitude knowledge of 200 Chinese fourth, fifth, sixth, eighth, and 12th graders (92 girls and 108 boys) by presenting fraction and decimal magnitude comparison tasks as well as…
Descriptors: Elementary School Students, Secondary School Students, Grade 4, Grade 5