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動きの中のアンカリング:ジェスチャーが数値推定をどのように形成するか

Aglaé Navarre1, André Didierjean2, Pauline Genin2

  • 1Université Marie et Louis Pasteur, Laboratoire de Psychologie, F-25000 Besançon, France; School of Psychology, University College Dublin, Ireland.

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まとめ
この要約は機械生成です。

単純なジェスチャーは、アンカリング効果と同様に、無意識のうちに数値推定に影響を与える。参加者は、高い位置または低い位置を示唆するジェスチャーが数値判断をどのように偏らせたかについて認識していなかった。

キーワード:
アンカリング効果意思決定

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科学分野:

  • 認知心理学
  • 社会心理学
  • 行動経済学

背景:

  • 数値アンカーやジェスチャーのような微妙な環境の手がかりは、無意識のうちに人の行動に影響を与える可能性があります。
  • アンカリング効果は、初期の数値情報がその後の判断をどのように偏らせるかを示しています。

研究 の 目的:

  • 仮想スケール上の高い位置または低い位置を示唆する単純なジェスチャーが、数値推定を偏らせる可能性があるかどうかを調査すること。
  • このジェスチャーによるバイアスが、確立されたアンカリング効果と同様に機能するかどうかを判断すること。
  • 推定値に対するジェスチャーの影響について、参加者の認識を評価すること。

主な方法:

  • 128人の参加者(N = 128)が関与した研究。
  • 参加者は、仮想的な垂直スケール上の高い位置または低い位置を示唆する偶発的なジェスチャーにさらされました。
  • 数値推定値を記録し、異なるジェスチャーにさらされたグループ間で比較しました。

主要な成果:

  • 高い位置を示唆するジェスチャーは、低い位置を示唆するジェスチャーと比較して、有意に高い数値推定につながりました。
  • 参加者の大多数は、ジェスチャーによる影響について意識的な認識がないと報告しました。
  • このジェスチャーによるバイアスは、アンカリング効果の原則と一致しています。

結論:

  • 偶発的なジェスチャーは、非数値的アンカリングの一形態として機能し、無意識のうちに数値推定を偏らせる可能性があります。
  • 選択的アクセシビリティ理論は、これらの無意識のバイアスがどのように機能するかを理解するための枠組みを提供します。
  • 今後の研究では、意思決定におけるジェスチャーの影響のメカニズムと範囲を探るべきです。