{"id":17585,"date":"2020-01-06T12:04:25","date_gmt":"2020-01-06T03:04:25","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=17585"},"modified":"2025-06-16T12:46:43","modified_gmt":"2025-06-16T03:46:43","slug":"availability-heuristic","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/availability-heuristic\/","title":{"rendered":"\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af"},"content":{"rendered":"<p>\u5fc3\u7406\u5b66\u306b\u304a\u3051\u308b<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/representativenessheuristic\/\">\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\uff08\u7d4c\u9a13\u5247\uff09<\/a>\u306e\u3072\u3068\u3064\u3067\u3001\u76f4\u524d\u306b\u898b\u305f\u3082\u306e\u306a\u3069\u3001\u601d\u3044\u51fa\u3057\u3084\u3059\u3044\u4e8b\u67c4\u306b\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u3092\u6307\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-33438\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-1024x1024.png\" alt=\"\" width=\"366\" height=\"366\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-1024x1024.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-150x150.png 150w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-300x300.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-768x768.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch.png 1080w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2020\/01\/representativeness-bias-eye-catch-640x640.png 640w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/p>\n<h2 data-start=\"203\" data-end=\"212\">\u63d0\u5531\u8005<\/h2>\n<p><ruby>Amos Tversky<rt>\u30a8\u30a4\u30e2\u30b9\u30fb\u30c8\u30d9\u30eb\u30b9\u30ad\u30fc<\/rt><\/ruby>\u3068<ruby>Daniel Kahneman<rt>\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3<\/rt><\/ruby>\u304c1971\u301c72\u5e74\u306b\u884c\u3063\u305f\u7814\u7a76\u306b\u3088\u308a\u3001\u3053\u306e\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u306e\u5b58\u5728\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f\u30021973\u5e74\u306b\u306f\u3001\u300c<a href=\"https:\/\/msu.edu\/~ema\/803\/Ch11-JDM\/2\/TverskyKahneman73.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Availability: A Heuristic for Judging Frequency and Probability<\/a>\u300d\u3068\u3044\u3046\u8ad6\u6587\u3082\u767a\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n<div id=\"attachment_17757\" style=\"width: 329px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17757\" class=\"wp-image-17757 size-full\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/kahneman-tversky.jpg\" alt=\"\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3\u3068\u30a8\u30a4\u30e2\u30b9\u30fb\u30c8\u30d9\u30eb\u30b9\u30ad\u30fc\" width=\"319\" height=\"196\" 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>\u3053\u306e\u7814\u7a76\u306b\u3088\u308b\u3068\u3001\u4eba\u306f<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/system1-system2\/\">2\u3064\u306e\u601d\u8003\u30e2\u30fc\u30c9\u3001\u30b7\u30b9\u30c6\u30e01\u3068\u30b7\u30b9\u30c6\u30e02<\/a>\u3092\u6301\u3063\u3066\u3044\u308b\u3002\u30b7\u30b9\u30c6\u30e01\u306f\u3001\u76f4\u611f\u7684\u306b\u65e9\u3044\u601d\u8003\u3092\u884c\u3046\u30e2\u30fc\u30c9\u3067\u3042\u308a\u3001\u3044\u308f\u3086\u308b\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u3092\u597d\u3080\u3002\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u3082\u3001\u305d\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u306e\u3072\u3068\u3064\u3060\u3002<\/p>\n<p>\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u304c\u4f5c\u7528\u3059\u308b\u3068\u304d\u3001\u4eba\u306f\u3001\u601d\u3044\u51fa\u3057\u3084\u3059\u3044\u4e8b\u4f8b\u3092\u512a\u5148\u3055\u305b\u3066\u5224\u65ad\u3092\u3059\u308b\u3002\u4f8b\u3048\u3070\u3001\u300c\u8a18\u61b6\u306b\u3042\u308b\u9650\u308a\u3001\u3053\u306e\u5730\u57df\u306b\u306f\u5927\u304d\u306a\u53f0\u98a8\u306f\u6765\u3066\u3044\u306a\u3044\u3002\u3060\u304b\u3089\u3001\u3053\u3053\u306f\u5b89\u5168\u3060\u308d\u3046\u3002\u300d\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3046\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u306f\u305d\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u3042\u308a\u5f97\u306a\u3044\u3053\u3068\u306f\u3001\u6628\u4eca\u306e\u6c17\u8c61\u4e8b\u60c5\u304b\u3089\u898b\u3066\u53d6\u308c\u308b\u3060\u308d\u3046\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u707d\u5bb3\u5bfe\u7b56\u306b\u304a\u3044\u3066\u306f\u3001\u500b\u4eba\u306f\u304a\u308d\u304b\u653f\u5e9c\u3067\u3055\u3048\u3082\u3001\u904e\u53bb\u306e\u7d4c\u9a13\u5024\u304b\u3089\u6700\u60aa\u306e\u4e8b\u614b\u3092\u60f3\u5b9a\u3057\u3066\u8a2d\u8a08\u3092\u884c\u3046\u3053\u3068\u3092\u3001\u7d4c\u6e08\u5b66\u8005\u306e<ruby>Howard C. Kunreuther<rt>\u30cf\u30ef\u30fc\u30c9\u30fbC\u30fb\u30af\u30f3\u30eb\u30fc\u30b5\u30fc<\/rt><\/ruby>\u304c\u6307\u6458\u3057\u3066\u3044\u308b\u307b\u3069\u3067\u3042\u308b\u3002<\/p>\n<h2>\u7f8e\u5bb9\u5ba4\u3001\u6b6f\u79d1\u533b\u9662\u3001\u30b3\u30f3\u30d3\u30cb\u3001\u3069\u308c\u304c\u4e00\u756a\u591a\u3044\uff1f<\/h2>\n<p>\u3072\u3068\u3064\u3001\u8208\u5473\u6df1\u3044\u691c\u8a3c\u3092\u7d39\u4ecb\u3059\u308b\u3002\u65e5\u672c\u4eba\u306e\u793e\u4f1a\u5fc3\u7406\u5b66\u7814\u7a76\u8005\u3067\u3042\u308bKodai Kusano\uff08<a href=\"https:\/\/twitter.com\/kodai_kusano\" target=\"_blank\" rel=\"noopener noreferrer\">@kodai_kusano<\/a>\uff09\u304c\u3001Twitter\u3067\u300c\u7f8e\u5bb9\u5ba4\u3001\u6b6f\u79d1\u533b\u9662\u3001\u30b3\u30f3\u30d3\u30cb\u306e\u4e2d\u3067\u3001\u65e5\u672c\u3067\u6700\u3082\u6570\u304c\u591a\u3044\u306e\u306f\u3069\u308c\u304b\uff1f\u300d\u3068\u3044\u3046\u8da3\u65e8\u306e\u8cea\u554f\u3092\u884c\u3063\u305f\u3002<\/p>\n<p>\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u306f\u3001\u63a5\u89e6\u983b\u5ea6\u3068\u3082\u95a2\u9023\u3059\u308b\u3002\u305d\u3053\u3067\u3001\u5f7c\u306f\u300c\u4e00\u822c\u7684\u306b\u3088\u304f\u5229\u7528\u3059\u308b\u306e\u306f\u30b3\u30f3\u30d3\u30cb\u3067\u3042\u308b\u304b\u3089\u3001\u30b3\u30f3\u30d3\u30cb\u3068\u56de\u7b54\u3059\u308b\u4eba\u304c\u591a\u3044\u3060\u308d\u3046\u300d\u3068\u4eee\u5b9a\u3092\u3057\u305f\u3002<\/p>\n<p>\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"ja\">\u65e5\u672c\u306b\u3042\u308b\u4e0b\u306e\u65bd\u8a2d\u306e\u6570\u3067\u3001\u591a\u3044\u9806\u306b\u8868\u3057\u305f\u306e\u306f\u6b21\u306e\u3046\u3061\u3069\u308c\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u2014 \u3053\u30fc\u3060\u3044\/\u793e\u4f1a\u5fc3\u7406\u5b66 (@kodai_kusano) <a href=\"https:\/\/twitter.com\/kodai_kusano\/status\/790032281020661760?ref_src=twsrc%5Etfw\">October 23, 2016<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>&nbsp;<\/p>\n<p>\u307e\u305f\u3001\u5f7c\u306f\u3053\u306e\u7d50\u679c\u3068\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u3068\u306e\u95a2\u9023\u6027\u3092\u793a\u3059\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u8cea\u554f\u3082\u3057\u3066\u3044\u308b\u3002<\/p>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"ja\">\u6b21\u306e\u3046\u3061\u3001\u3042\u306a\u305f\u304c\u4e00\u756a\u3088\u304f\u983b\u7e41\u306b\u884c\u304f\u5834\u6240\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/p>\n<p>\u2014 \u3053\u30fc\u3060\u3044\/\u793e\u4f1a\u5fc3\u7406\u5b66 (@kodai_kusano) <a href=\"https:\/\/twitter.com\/kodai_kusano\/status\/790259820557283328?ref_src=twsrc%5Etfw\">October 23, 2016<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u6700\u3082\u56de\u7b54\u304c\u591a\u304b\u3063\u305f\u300c\u30b3\u30f3\u30d3\u30cb\uff1e\u6b6f\u79d1\u533b\u9662\uff1e\u7f8e\u5bb9\u9662\u300d\u3068\u3001\u983b\u7e41\u306b\u884c\u304f\u5834\u6240\u306e\u6bd4\u7387\u304c\u76f8\u95a2\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u7740\u76ee\u3059\u3079\u304d\u70b9\u3067\u3042\u308b\u3002\u3064\u307e\u308a\u3001\u601d\u3044\u51fa\u3057\u3084\u3059\u3044\uff08\u63a5\u89e6\u983b\u5ea6\u304c\u9ad8\u3044\uff09\u9806\u306b\u5e97\u8217\u6570\u304c\u591a\u3044\u3068\u5224\u65ad\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u304c\u63a8\u5bdf\u3055\u308c\u308b\u304b\u3089\u3060\u3002<\/p>\n<h2>\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u3092\u5f62\u6210\u3059\u308b\u8981\u56e0<\/h2>\n<p>\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u3092\u5f62\u6210\u3059\u308b\u539f\u56e0\u306f\u3001\u3059\u3050\u306b\u601d\u3044\u6d6e\u304b\u3076\u5177\u4f53\u4f8b\u3092\u6319\u3052\u3066\u307f\u308b\u3068\u5206\u304b\u308b\u3002\u305d\u308c\u3089\u306e\u4e8b\u4f8b\u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u3042\u308b\u3002<\/p>\n<h3>\u60f3\u8d77\u5bb9\u6613\u6027<\/h3>\n<p>\u8a18\u61b6\u3059\u308b\u969b\u306b\u5927\u304d\u306a\u30a4\u30f3\u30d1\u30af\u30c8\u3092\u53d7\u3051\u308b\u60c5\u5831\u304c\u3053\u308c\u306b\u3042\u305f\u308b\u3002<br 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\/>\n\u500b\u4eba\u306e\u7d4c\u9a13\u3092\u4f8b\u306b\u3059\u308b\u3068\u3001\u81ea\u5206\u304c\u884c\u653f\u652f\u63f4\u3092\u53d7\u3051\u3089\u308c\u306a\u304b\u3063\u305f\u7d4c\u9a13\u3092\u6301\u3063\u3066\u3044\u305f\u5834\u5408\u3001\u540c\u3058\u3088\u3046\u306a\u5831\u9053\u3092\u30c6\u30ec\u30d3\u3084\u30cd\u30c3\u30c8\u3067\u89e6\u308c\u305f\u5834\u5408\u3088\u308a\u3082\u884c\u653f\u652f\u63f4\u306b\u5bfe\u3059\u308b\u4fe1\u7528\u306f\u5927\u304d\u304f\u63fa\u3089\u3050\u3060\u308d\u3046\u3002<br 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href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/representativenessheuristic\/\">\u4ee3\u8868\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/system1-system2\/\">2\u3064\u306e\u601d\u8003\u30e2\u30fc\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/anchoringeffect\/\">\u30a2\u30f3\u30ab\u30ea\u30f3\u30b0<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/cognitive-bias\/\">\u8a8d\u77e5\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/primingeffect\/\">\u30d7\u30e9\u30a4\u30df\u30f3\u30b0\u52b9\u679c<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/mere-exposure-effect\/\">\u5358\u7d14\u63a5\u89e6\u52b9\u679c<\/a><\/li>\n<\/ul>\n<h2>\u95a2\u9023\u8a18\u4e8b<\/h2>\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/minority-opinion-is-not-everyones-opinion\/\">\u5c11\u6570\u610f\u898b\u3067\u5224\u65ad\u3059\u308b\u306a\uff01<\/a><\/li>\n<\/ul>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li>\u30c0\u30cb\u30a8\u30eb\u30fb\u30ab\u30fc\u30cd\u30de\u30f3, \u30d5\u30a1\u30b9\u30c8\uff06\u30b9\u30ed\u30fc\uff08\u4e0a\uff09, \u65e9\u5ddd\u66f8\u623f, 2014<\/li>\n<\/ul>\n<h2>\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n<ul>\n<li><a href=\"https:\/\/note.com\/kodaikusano\/n\/n73a39a92abfb\">\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af<\/a><\/li>\n<li><a href=\"https:\/\/valueinnovation.biz\/heuristic\/\">\u5229\u7528\u53ef\u80fd\u6027\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af- 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