{"id":34077,"date":"2025-07-25T22:00:59","date_gmt":"2025-07-25T13:00:59","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=34077"},"modified":"2025-07-25T22:04:35","modified_gmt":"2025-07-25T13:04:35","slug":"certainty-effect","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/certainty-effect\/","title":{"rendered":"\u78ba\u5b9f\u6027\u52b9\u679c"},"content":{"rendered":"<p data-start=\"54\" data-end=\"173\">100%\u306e\u6210\u529f\u3084\u56de\u907f\u304c\u7d04\u675f\u3055\u308c\u305f\u9078\u629e\u80a2\u306b\u5bfe\u3057\u3066\u3001\u305f\u3068\u3048\u671f\u5f85\u5024\u304c\u4f4e\u304f\u3066\u3082\u305d\u308c\u3092\u9078\u3073\u304c\u3061\u306b\u306a\u308b\u3002<\/p>\n<p data-start=\"175\" data-end=\"273\">\u3053\u306e\u52b9\u679c\u306f\u3001<strong data-start=\"181\" 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srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/kahneman-tversky.jpg 319w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/kahneman-tversky-300x184.jpg 300w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><p id=\"caption-attachment-17757\" class=\"wp-caption-text\">\u5de6\uff1a\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3\u3001\u53f3\uff1a\u30a8\u30a4\u30e2\u30b9\u30fb\u30c8\u30d9\u30eb\u30b9\u30ad\u30fc\uff08\u51fa\u5c55\uff1a<a href=\"http:\/\/grawemeyer.org\">http:\/\/grawemeyer.org<\/a>\uff09<\/p><\/div>\n<p data-start=\"292\" data-end=\"375\">\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3\uff08Daniel Kahneman\uff09<strong data-start=\"327\" data-end=\"332\">\u3068<\/strong>\u30a8\u30a4\u30e2\u30b9\u30fb\u30c8\u30d9\u30eb\u30b9\u30ad\u30fc\uff08Amos Tversky\uff09\u306b\u3088\u3063\u30661979\u5e74\u306b\u63d0\u5531\u3055\u308c\u305f\u3002<\/p>\n<p data-start=\"379\" data-end=\"440\"><a 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data-end=\"1585\">\u65bd\u7b56\uff1a<\/strong> \u300c<strong data-start=\"1587\" data-end=\"1604\">\u767b\u9332\u5f8c7\u65e5\u4ee5\u5185\u306a\u3089\u5168\u984d\u8fd4\u91d1<\/strong>\u300d\u300c<strong data-start=\"1606\" data-end=\"1626\">\u767b\u9332\u3057\u3066\u3082\u8ab2\u91d1\u306f\u4e00\u5207\u767a\u751f\u3057\u307e\u305b\u3093<\/strong>\u300d\u3068\u3044\u3046\u8868\u73fe\u306b\u3088\u308a\u3001\u78ba\u5b9f\u6027\u3092\u9ad8\u3081\u308b\u3002<\/li>\n<\/ul>\n<h3 data-start=\"1646\" data-end=\"1669\">\u3010\u30b7\u30fc\u30f32\uff1a\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u5411\u4e0a\u3011<\/h3>\n<ul>\n<li data-start=\"1672\" data-end=\"1704\"><strong data-start=\"1672\" data-end=\"1679\">\u76ee\u7684\uff1a<\/strong> \u6709\u6599\u30d7\u30e9\u30f3\u3084\u4e0a\u4f4d\u30d7\u30e9\u30f3\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u4fc3\u3059\u3002<\/li>\n<li data-start=\"1707\" data-end=\"1768\"><strong data-start=\"1707\" data-end=\"1714\">\u65bd\u7b56\uff1a<\/strong> \u300c\u30d7\u30e9\u30f3\u5909\u66f4\u5f8c\u3082<strong data-start=\"1723\" data-end=\"1739\">\u4eca\u306e\u30c7\u30fc\u30bf\u306f\u4fdd\u6301\u3055\u308c\u307e\u3059<\/strong>\u300d\u300c<strong data-start=\"1741\" data-end=\"1755\">\u3044\u3064\u3067\u3082\u5143\u306b\u623b\u305b\u307e\u3059<\/strong>\u300d\u3068\u3044\u3063\u305f\u8aac\u660e\u3092\u660e\u793a\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3 data-start=\"1770\" data-end=\"1800\">\u3010\u30b7\u30fc\u30f33\uff1a\u30ea\u30b9\u30af\u304c\u9ad8\u304f\u898b\u3048\u308b\u5834\u9762\u3067\u306e\u4e0d\u5b89\u6255\u62ed\u3011<\/h3>\n<ul>\n<li data-start=\"1803\" data-end=\"1824\"><strong data-start=\"1803\" data-end=\"1810\">\u76ee\u7684\uff1a<\/strong> \u5229\u7528\u7d99\u7d9a\u3084\u8cfc\u5165\u6c7a\u65ad\u306e\u4fc3\u9032\u3002<\/li>\n<li data-start=\"1827\" data-end=\"1894\"><strong data-start=\"1827\" data-end=\"1834\">\u65bd\u7b56\uff1a<\/strong> \u300c\u3053\u306e\u64cd\u4f5c\u3092\u3057\u3066\u3082<strong data-start=\"1844\" data-end=\"1858\">\u30c7\u30fc\u30bf\u306f\u5931\u308f\u308c\u307e\u305b\u3093<\/strong>\u300d\u300c\u5909\u66f4\u524d\u306b<strong data-start=\"1864\" data-end=\"1881\">\u5fc5\u305a\u78ba\u8a8d\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059<\/strong>\u300d\u306a\u3069\u3001\u5b89\u5fc3\u3092\u4e0e\u3048\u308b\u8a2d\u8a08\u3002<\/li>\n<\/ul>\n<h2 data-start=\"1901\" data-end=\"1922\">\u00a0\u88dc\u8db3\uff1a\u640d\u5931\u56de\u907f\u30d0\u30a4\u30a2\u30b9\u3068\u306e\u95a2\u4fc2<\/h2>\n<p data-start=\"1924\" data-end=\"2050\">\u78ba\u5b9f\u6027\u52b9\u679c\u306f\u3001<strong data-start=\"1931\" data-end=\"2012\">\u640d\u5931\u56de\u907f\uff08Loss 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