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2023 Fiscal Year Final Research Report

Applying Fitts's Law in Error-Intolerant Settings

Research Project

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Project/Area Number 21K18565
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 10:Psychology and related fields
Research InstitutionChukyo University

Principal Investigator

Yamada Norimasa  中京大学, スポーツ科学部, 教授 (00210469)

Project Period (FY) 2021-07-09 – 2024-03-31
Keywordsフィッツの法則 / 運動制御 / 速さと正確さのトレードオフ
Outline of Final Research Achievements

Fitts's Law is a universal law of human movement that defines the trade-off between speed and accuracy. In this study, we explored the applicability of this law in situations where failure is not permissible by devising a new method of trajectory information processing through entropy analysis. In the tapping experiment, we compared normal trials with failure-not-permitted trials, calculating the movement of the pen tip and the entropy. In the failure-not-permitted trials, it was observed that the movement time was extended, and accuracy was maintained at the expense of speed. This was further verified in a vertical jump experiment, where adjustments in force during precision-demanding moments were observed. This demonstrates that Fitts's Law remains effective in situations where failure is not permitted, by considering information processing and psychological limitations specific to each scenario.

Free Research Field

認知科学

Academic Significance and Societal Importance of the Research Achievements

本研究におけるフィッツの法則の検証は、学術的にも社会的にも重要な意義を持つ。学術的には、失敗が許されない状況での人間の動作制御のメカニズムを明らかにし、エントロピー分析を用いた情報処理の評価方法を提案している。これにより、人間工学や認知科学の分野において、より精度の高い予測モデルや設計指針が提供される可能性がある。社会的には、この研究成果は産業界においても応用されることが期待される。特に、高リスク作業を伴う職場での作業効率の向上や安全性の確保に役立つため、人間中心の安全対策の強化に寄与する。これらの点から、本研究は理論的枠組みの拡張だけでなく、実用的な応用においてもその価値が認められる。

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Published: 2025-01-30  

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