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Do teachers need to inhibit heuristic Bias in mathematics problem-solving? Evidence from a negative-priming study

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Abstract

Many learners often commit systematic errors in mathematics tasks because they rely on heuristics even when they are not applicable. This phenomenon is known as the heuristic bias, and it has been found in children, adolescents, and educated adults. However, it is still unclear whether mathematics teachers are still affected by heuristic biases and whether they still need to inhibit such biases. The present study employed a negative priming paradigm and compared the performance of overcoming heuristic bias among mathematics teachers (N = 32), pre-service mathematics teachers (N = 23), and non-mathematics undergraduate students (N = 43) in the case of overusing proportional heuristics. We found that all the participants were affected by the proportional heuristic bias, and they all demonstrated a cognitive process of inhibition when solving non-proportional problems. Moreover, we found that teachers with many years of teaching experience showed a stronger tendency to overuse proportionality than the other two groups. The present study highlights the importance of teachers’ ability to understand their cognitive processes in teaching practice. The results imply that inhibitory control plays an essential role in both mathematical teaching and learning. Interventions that aim at improving teachers’ metacognition and inhibition ability might be needed in future professional development programs.

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Notes

  1. Generally, the magnitude of NP effect represents the efficiency of inhibitory control. The smaller magnitude of the NP effect is detected, the greater the efficiency of inhibitory control is observed, and vice versa.

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Acknowledgements

This manuscript was supported by a grant from the Chinese National Office of Education Sciences Planning (BBA170062). We thank the mathematics teachers for their valuable help with data collection and the students for participating.

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Correspondence to Xiaodong Li.

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Jiang, R., Li, X., Xu, P. et al. Do teachers need to inhibit heuristic Bias in mathematics problem-solving? Evidence from a negative-priming study. Curr Psychol 41, 6954–6965 (2022). https://doi.org/10.1007/s12144-020-01209-x

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  • DOI: https://doi.org/10.1007/s12144-020-01209-x

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