デフォルトが選択と自発的決定の感覚に及ぼす影響
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- 資料種別
- 記事
- 著者・編者
- 及川 昌典及川 晴
- 並列タイトル等
- The influence of default options on choice and the perception of voluntary decision-making
- タイトル（掲載誌）
- 社会心理学研究 = Japanese journal of social psychology / 日本社会心理学会「社会心理学研究」編集委員会 編
- 巻号年月日等（掲載誌）
- 41(2):2025.11
- 掲載巻
- 41
- 掲載号
- 2
- 掲載ページ
- 64-70
- 掲載年月日（W3CDTF）
- 2025-11
- ISSN（掲載誌）
- 0916-1503
- ISSN-L（掲載誌）
- 0916-1503
- 出版事項（掲載誌）
- 東京 : 日本社会心理学会
- 出版地（国名コード）
- JP
- 本文の言語コード
- jpn
- NDLC
- 対象利用者
- 一般
- 所蔵機関
- 国立国会図書館
- 請求記号
- Z6-2798
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- 書誌ID（NDLBibID）
- 034452913
- 整理区分コード
- 632
- 要約等
- <p>Default options are known to strongly shape behavior, with individuals more likely to select the preset alternative. However, less is understood about how defaults affect people’s subjective sense of making a voluntary decision. This article examined the default effect in the context of recruiting participants for psychology experiments. In Study 1 (<i>N</i>＝135), participants were randomly assigned to an opt-out condition (participation as the default) or an opt-in condition (non-participation as the default) and asked to select preferred time slots for an upcoming study. In Study 2 (<i>N</i>＝108; undergraduate psychology students in Japan), a similar procedure was followed, with the addition of self-report measures assessing participants’ perceived voluntariness of their decision. In both studies, participants in the opt-out condition signed up for more slots compared to those in the opt-in condition. Furthermore, in Study 2, participants reported a stronger sense of voluntary decision-making when their choices aligned with the default, that is, signing up for more slots in the opt-out condition and fewer slots in the opt-in condition. Together, these findings suggest that default settings influence not only behavioral outcomes but also the subjective perception of voluntary decision-making.</p>
- DOI
- 10.14966/jssp.2024-033
- オンライン閲覧公開範囲
- インターネット公開
- 連携機関・データベース
- 科学技術振興機構 : J-STAGE
- 要約等
- <p>Default options are known to strongly shape behavior, with individuals more likely to select the preset alternative. However, less is understood about how defaults affect people’s subjective sense of making a voluntary decision. This article examined the default effect in the context of recruiting participants for psychology experiments. In Study 1 (<i>N</i>＝135), participants were randomly assigned to an opt-out condition (participation as the default) or an opt-in condition (non-participation as the default) and asked to select preferred time slots for an upcoming study. In Study 2 (<i>N</i>＝108; undergraduate psychology students in Japan), a similar procedure was followed, with the addition of self-report measures assessing participants’ perceived voluntariness of their decision. In both studies, participants in the opt-out condition signed up for more slots compared to those in the opt-in condition. Furthermore, in Study 2, participants reported a stronger sense of voluntary decision-making when their choices aligned with the default, that is, signing up for more slots in the opt-out condition and fewer slots in the opt-in condition. Together, these findings suggest that default settings influence not only behavioral outcomes but also the subjective perception of voluntary decision-making.</p>
- DOI
- 10.14966/jssp.2024-033
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- Japan Link Center雑誌記事索引データベース
- 書誌ID（NDLBibID）
- 034452913