信じることを選択する:能動的なサンプリングが真実効果をどのように強化するか
Moritz Ingendahl1, Anna Schulte1, Florian Weber1
1Department of Psychology, Ruhr University Bochum.
Journal of experimental psychology. General
|January 8, 2026
まとめ
情報を能動的に選択することは真実効果を増幅させ、人々が繰り返された情報をより強く信じるようにさせます。この能動的なサンプリングは、受動的な暴露よりも信念を強化し、現実世界の情報消費に影響を与えます。
科学分野:
- 認知心理学
- 社会心理学
- 情報科学
背景:
- 真実効果、すなわち繰り返された情報への暴露が信念を高めることは、十分に文書化されています。
- 以前の研究では、主に受動的な暴露方法が使用されていました。
- 現実世界の情報消費は、見出しをクリックするなど、能動的なサンプリングを伴うことがよくあります。
研究 の 目的:
- 能動的な情報サンプリングが真実効果を高めるかどうかを調査すること。
- 能動的および受動的な情報暴露が信念に与える影響を比較すること。
- 能動的なサンプリングにおける真実効果の強化の根底にある説明を探求すること。
主な方法:
- 953人の参加者が関与した8つの事前登録された実験。
- 参加者は、自身の選択に基づいて能動的に情報をサンプリングしました。
- 観察された効果の刺激ベースの説明と処理ベースの説明のテスト。
主要な成果:
- 能動的な情報サンプリングは、受動的な暴露と比較して真実効果を著しく高めました。
- 参加者は、能動的に関与することを選択した情報に対する信念を高めました。
- 証拠は、刺激ベースの説明よりも処理ベースの説明を支持しました。
結論:
- 能動的な情報サンプリングは真実効果を強化し、より大きな信念につながります。
- 能動的なサンプリング中の認知プロセスが、この強化された効果を駆動しているようです。
- 調査結果は、信念形成に対する能動的な情報選択の重要な影響を強調しています。
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