{"id":15477,"date":"2019-03-31T10:00:18","date_gmt":"2019-03-31T01:00:18","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=15477"},"modified":"2025-08-21T16:23:20","modified_gmt":"2025-08-21T07:23:20","slug":"confirmation-bias","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/confirmation-bias\/","title":{"rendered":"\u78ba\u8a3c\u30d0\u30a4\u30a2\u30b9"},"content":{"rendered":"<p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/cognitive-bias\/\">\u8a8d\u77e5\u30d0\u30a4\u30a2\u30b9<\/a>\u306e\u4e00\u3064\u3067\u3001\u81ea\u5206\u306b\u3068\u3063\u3066\u90fd\u5408\u306e\u826f\u3044\u60c5\u5831\u3070\u304b\u308a\u3092\u96c6\u3081\u3066\u3057\u307e\u3046\u6027\u8cea\u3067\u3042\u308b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u300cA\u578b\u306e\u4eba\u306f\u51e0\u5e33\u9762\u3060\u300d\u3068\u3044\u3046\u5148\u5165\u89b3\u304c\u3042\u308b\u3068\u300110\u4eba\u4e2d3\u4eba\u304c\u51e0\u5e33\u9762\u3060\u3063\u305f\u3068\u3057\u3066\u30823\u4eba\u306e\u51e0\u5e33\u9762\u306a\u4eba\u306b\u610f\u8b58\u304c\u884c\u3063\u3066\u3057\u307e\u3046\u3002<br \/>\n\u307e\u305f\u3001\u6b8b\u308a\u306e7\u4eba\u306b\u3064\u3044\u3066\u306f\u300cA\u578b\u306a\u306e\u306b\u51e0\u5e33\u9762\u3058\u3083\u306a\u3044\u306e\u306f\u3001\u3081\u305a\u3089\u3057\u3044\u300d\u3068\u611f\u3058\u3066\u3057\u307e\u3046\u3002<\/p>\n<h2>\u30a6\u30a7\u30a4\u30bd\u30f3\u9078\u629e\u554f\u984c<\/h2>\n<p>\u78ba\u8a3c\u30d0\u30a4\u30a2\u30b9\u3092\u5229\u7528\u3057\u305f\u8ad6\u7406\u30d1\u30ba\u30eb\u3068\u3057\u3066\u3001\u8a8d\u77e5\u5fc3\u7406\u5b66\u8005\u306e<ruby>Peter Cathcart Wason<rt>\u30d4\u30fc\u30bf\u30fc\u30fb\u30ab\u30b9\u30ab\u30fc\u30c8\u30fb\u30a6\u30a7\u30a4\u30bd\u30f3<\/rt><\/ruby>\u304c1966\u5e74\u306b\u8003\u6848\u3057\u305f\u30a6\u30a7\u30a4\u30bd\u30f3\u9078\u629e\u554f\u984c\u304c\u3042\u308b\u3002<\/p>\n<div id=\"attachment_15478\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15478\" class=\"wp-image-15478 size-medium\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/03\/peter-cathcart-wason-300x225.png\" alt=\"\u30d4\u30fc\u30bf\u30fc\u30fb\u30ab\u30b9\u30ab\u30fc\u30c8\u30fb\u30a6\u30a7\u30a4\u30bd\u30f3\u306e\u5199\u771f\" width=\"300\" height=\"225\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/03\/peter-cathcart-wason-300x225.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/03\/peter-cathcart-wason.png 733w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-15478\" 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src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/03\/confirmation-bias-question.png\" alt=\"\u554f\u984c\uff1a\u4ee5\u4e0b\u306e\u4eee\u8a2d\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u3069\u306e\u30ab\u30fc\u30c9\u3092\u3072\u3063\u304f\u308a\u8fd4\u3059\u3079\u304d\u304b\u3001\u6700\u5c0f\u9650\u306e\u679a\u6570\u3067\u7b54\u3048\u3088\u3002\u4eee\u8a2d\uff1a\u8868\u306b\u5076\u6570\u304c\u66f8\u304b\u308c\u305f\u30ab\u30fc\u30c9\u306e\u88cf\u306f\u8d64\u8272\u3067\u3042\u308b\u3002\u2460\u8868\u306b3\u304c\u66f8\u304b\u308c\u305f\u30ab\u30fc\u30c9\u2461\u8868\u306b8\u304c\u66f8\u304b\u308c\u305f\u30ab\u30fc\u30c9\u2462\u88cf\u304c\u8d64\u8272\u306e\u30ab\u30fc\u30c9\u2463\u88cf\u304c\u9752\u8272\u306e\u30ab\u30fc\u30c9\u3002\u6b63\u89e3\uff1a\u2461\u3068\u2463\" width=\"1214\" height=\"1100\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/03\/confirmation-bias-question.png 1214w, 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href=\"http:\/\/www.soumu.go.jp\/johotsusintokei\/whitepaper\/ja\/h29\/html\/nc111210.html\"><span style=\"font-weight: 400;\">\u5e73\u621029\u5e74\u7248 \u60c5\u5831\u901a\u4fe1\u767d\u66f8 &#8211; \u7b2c1\u90e8 \u7279\u96c6 \u30c7\u30fc\u30bf\u4e3b\u5c0e\u7d4c\u6e08\u3068\u793e\u4f1a\u5909\u9769<\/span><\/a><\/li>\n<li><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E7%A2%BA%E8%A8%BC%E3%83%90%E3%82%A4%E3%82%A2%E3%82%B9\">\u78ba\u8a3c\u30d0\u30a4\u30a2\u30b9 &#8211; Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%82%A6%E3%82%A7%E3%82%A4%E3%82%BD%E3%83%B3%E9%81%B8%E6%8A%9E%E8%AA%B2%E9%A1%8C\">\u30a6\u30a7\u30a4\u30bd\u30f3\u9078\u629e\u8ab2\u984c &#8211; Wikipedia<\/a><\/li>\n<\/ul>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/projection-bias\/\">\u6295\u5f71\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a 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