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児童の年齢および課題の複雑さにおける主観的聴覚努力と行動的聴覚努力の違い
1Institute for Hearing Technology and Acoustics, RWTH Aachen University, Aachen, Germany.
Ear and hearing
|December 19, 2025
まとめ
子供たちは騒がしい教室でより高い聴覚努力を経験し、年長の子供たちはより良い音声知覚を示します。教室の騒音は、子供たちの音声を理解する能力に悪影響を与えます。
科学分野:
- 聴覚知覚
- 発達心理学
背景:
- 聴覚努力と音声知覚は、子供たちの学習にとって非常に重要です。
- 教室の音響と騒音は、聴覚処理と認知負荷に大きく影響します。
- 聴覚努力における年齢関連の違いを理解することは、教育現場にとって不可欠です。
研究 の 目的:
- 子供たちの聴覚努力と音声知覚に対する課題の複雑さと年齢の影響を調査すること。
- 聴覚努力と音声知覚に対する騒音と音響条件の影響を調べること。
- 聴覚パフォーマンスに対する騒音、音響、課題の難易度、年齢の相互作用に関する仮説を検証すること。
主な方法:
- 39人の小学生(6〜10歳)が単語認識および決定課題を実行しました。
- 音響条件には、多話者バブルノイズありとなしの無響室およびシミュレートされた教室が含まれていました。
- 心理的遅延効果を誘発するために課題の難易度が操作されました。主観的な努力はアンケートで測定されました。
主要な成果:
- すべての条件と年齢層で、騒音下での主観的な聴覚努力は高かった。
- 行動測定(応答速度)は年齢に関連する違いを示し、年長の子供の方が速かった。
- 課題の難易度は応答速度に影響を与え、エラー率では複雑な相互作用が見られた。
結論:
- 主観的および行動的な聴覚努力の測定は、騒音と年齢に対して異なる反応を示しました。
- 年長の子供は、特に騒音下で、より少ない行動的努力とより良い音声知覚を示しました。
- 教室の騒音は、特に年少の子供たちの音声知覚に悪影響を与えます。
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