{"id":33175,"date":"2025-05-30T13:31:01","date_gmt":"2025-05-30T04:31:01","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=33175"},"modified":"2025-09-18T18:10:02","modified_gmt":"2025-09-18T09:10:02","slug":"nonsense-math-effect","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/nonsense-math-effect\/","title":{"rendered":"\u30ca\u30f3\u30bb\u30f3\u30b9\u306a\u6570\u5f0f\u52b9\u679c"},"content":{"rendered":"<p data-start=\"0\" data-end=\"111\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><span style=\"font-weight: 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alt=\"\" width=\"269\" height=\"155\" \/><\/a><p class=\"wp-caption-text\">\u30ad\u30e0\u30e2\u30a8\u30ea\u30af\u30bd\u30f3\uff1a\uff08\u5f15\u7528\uff09<a href=\"https:\/\/www.kimmoeriksson.se\/\">https:\/\/www.kimmoeriksson.se\/<\/a><\/p><\/div>\n<p data-start=\"130\" data-end=\"363\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u3053\u306e\u52b9\u679c\u306f\u3001\u30b9\u30a6\u30a7\u30fc\u30c7\u30f3\u306e\u793e\u4f1a\u5fc3\u7406\u5b66\u8005\u30ad\u30f3\u30e2\u30fb\u30a8\u30ea\u30af\u30bd\u30f3\uff08Kimmo Eriksson\uff09\u306b\u3088\u3063\u3066\u63d0\u5531\u3055\u308c\u305f\u3002<\/span><\/p>\n<p data-start=\"130\" data-end=\"363\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">2012\u5e74\u306b\u767a\u8868\u3055\u308c\u305f\u7814\u7a76\u3067\u306f\u3001200\u4eba\u306e\u5927\u5b66\u9662\u4fee\u4e86\u8005\u3092\u5bfe\u8c61\u306b\u3001\u5b9f\u5728\u3059\u308b\u7814\u7a76\u8ad6\u6587\u306e\u8981\u7d04\u3092\u63d0\u793a\u3057\u3001\u305d\u306e\u4e2d\u306b\u7121\u95a2\u4fc2\u306a\u6570\u5f0f\u3092\u633f\u5165\u3057\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u633f\u5165\u3057\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6bd4\u8f03\u3057\u305f\u3002<\/span><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u305d\u306e\u7d50\u679c\u3001\u6570\u5f0f\u304c\u633f\u5165\u3055\u308c\u305f\u8981\u7d04\u306e\u65b9\u304c\u3001\u7814\u7a76\u306e\u8cea\u304c\u9ad8\u3044\u3068\u8a55\u4fa1\u3055\u308c\u308b\u50be\u5411\u304c\u898b\u3089\u308c\u305f\u3002<\/span><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u7279\u306b\u3001\u4eba\u6587\u793e\u4f1a\u7cfb\u306e\u5b66\u4f4d\u3092\u6301\u3064\u53c2\u52a0\u8005\u306b\u304a\u3044\u3066\u3053\u306e\u50be\u5411\u304c\u9855\u8457\u3067\u3042\u3063\u305f\u3002<\/span><\/p>\n<h3 data-start=\"438\" data-end=\"473\"><strong data-start=\"172\" data-end=\"207\">\u30b8\u30e7\u30f3\u30fb\u30a2\u30ec\u30f3\u30fb\u30d1\u30a6\u30eb\u30b9\uff08John Allen Paulos\uff09<\/strong><\/h3>\n<ul>\n<li data-start=\"210\" data-end=\"219\">\u6570\u5b66\u8005\u30fb\u4f5c\u5bb6\u3002<\/li>\n<li data-start=\"222\" data-end=\"301\">\u6709\u540d\u306a\u8457\u66f8\uff1a\u300e\u6570\u306b\u5f31\u3044\u4eba\u305f\u3061\uff08Innumeracy: Mathematical Illiteracy and Its Consequences\uff09\u300f\uff081988\uff09<\/li>\n<li data-start=\"304\" data-end=\"345\">\u3053\u306e\u672c\u3067\u3001\u300c\u6570\u5f0f\u3084\u7d71\u8a08\u304c\u767b\u5834\u3059\u308b\u3060\u3051\u3067\u4eba\u306f\u5185\u5bb9\u3092\u4fe1\u3058\u3084\u3059\u304f\u306a\u308b\u300d\u3068\u3059\u308b\u73fe\u8c61\u306b\u8a00\u53ca\u3002<\/li>\n<li data-start=\"348\" data-end=\"354\"><strong data-start=\"362\" data-end=\"372\">\u76f4\u89b3\u7684\u306a\u6307\u6458<\/strong>\u3068\u3057\u3066\u3001\u3053\u306e\u30d0\u30a4\u30a2\u30b9\u306e<strong data-start=\"383\" data-end=\"393\">\u65e9\u671f\u306e\u89b3\u5bdf\u8005<\/strong>\u3067\u306f\u3042\u308b<\/li>\n<\/ul>\n<h3 data-start=\"693\" data-end=\"727\"><strong data-start=\"699\" data-end=\"727\">\u30a8\u30ea\u30ab\u30fb\u30c8\u30e0\u30bd\u30f3\uff08Erica Thompson\uff09<\/strong><\/h3>\n<ul>\n<li data-start=\"730\" data-end=\"778\">\u300eEscape from Model Land\u300f\uff082022\uff09\u3067\u3053\u306e\u73fe\u8c61\u3092\u6279\u5224\u7684\u306b\u8ad6\u3058\u3066\u3044\u308b\u3002<\/li>\n<li data-start=\"781\" data-end=\"804\">\u73fe\u8c61\u306e\u793e\u4f1a\u7684\u30fb\u502b\u7406\u7684\u306a\u5f71\u97ff\u306b\u6ce8\u76ee\u3057\u305f\u8ad6\u8005\u3002<\/li>\n<\/ul>\n<h3>\u8ad6\u6587\u60c5\u5831<\/h3>\n<p><em data-start=\"592\" data-end=\"687\">Eriksson, K. (2012). &#8220;The nonsense math effect.&#8221; Judgment and Decision Making, 7(6), 746\u2013749.<\/em><\/p>\n<h2 data-start=\"370\" data-end=\"390\">\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u3051\u308b\u6d3b\u7528\u65b9\u6cd5\u3068\u5177\u4f53\u4f8b<\/h2>\n<p data-start=\"392\" data-end=\"488\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u30c7\u30b6\u30a4\u30f3\u5206\u91ce\u306b\u304a\u3044\u3066\u3082\u3001\u300c\u30ca\u30f3\u30bb\u30f3\u30b9\u306a\u6570\u5f0f\u52b9\u679c\u300d\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4fe1\u983c\u611f\u3084\u8208\u5473\u3092\u5f15\u304d\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3042\u308b\u3002<\/span>\u4ee5\u4e0b\u306b\u5177\u4f53\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u3068\u4e8b\u4f8b\u3092\u793a\u3059\u3002<\/p>\n<h3 data-start=\"490\" data-end=\"510\">1. \u30d7\u30ed\u30c0\u30af\u30c8\u30c7\u30b6\u30a4\u30f3<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33199\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-1024x1024.png\" alt=\"\" width=\"297\" height=\"297\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-1024x1024.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-150x150.png 150w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-300x300.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-768x768.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4.png 1080w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2025\/05\/4-640x640.png 640w\" sizes=\"auto, (max-width: 297px) 100vw, 297px\" \/><\/p>\n<p data-start=\"512\" data-end=\"600\"><strong data-start=\"512\" data-end=\"520\">\u6d3b\u7528\u65b9\u6cd5<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u88fd\u54c1\u306e\u8aac\u660e\u3084\u5e83\u544a\u306b\u304a\u3044\u3066\u3001\u7c21\u5358\u306a\u6570\u5f0f\u3084\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u54c1\u306e\u4fe1\u983c\u6027\u3084\u52b9\u679c\u3092\u5f37\u8abf\u3059\u308b\u3002<\/span><\/p>\n<p data-start=\"602\" data-end=\"689\"><strong data-start=\"602\" data-end=\"609\">\u5177\u4f53\u4f8b<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u30d5\u30a3\u30c3\u30c8\u30cd\u30b9\u30a2\u30d7\u30ea\u306e\u7d39\u4ecb\u30da\u30fc\u30b8\u3067\u3001\u300c\u30ab\u30ed\u30ea\u30fc\u6d88\u8cbb\u91cf = \u904b\u52d5\u5f37\u5ea6 \u00d7 \u6642\u9593 \u00d7 \u4f53\u91cd\u300d\u3068\u3044\u3046\u7c21\u5358\u306a\u6570\u5f0f\u3092\u63d0\u793a\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30d7\u30ea\u306e\u79d1\u5b66\u7684\u6839\u62e0\u3092\u5370\u8c61\u3065\u3051\u308b\u3002<\/span><\/p>\n<h3 data-start=\"691\" data-end=\"711\">2. \u6559\u80b2\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30c7\u30b6\u30a4\u30f3<\/h3>\n<p data-start=\"713\" data-end=\"801\"><strong data-start=\"713\" data-end=\"721\">\u6d3b\u7528\u65b9\u6cd5<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u6559\u80b2\u8cc7\u6599\u3084\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u95a2\u9023\u3059\u308b\u6570\u5f0f\u3084\u30b0\u30e9\u30d5\u3092\u9069\u5207\u306b\u633f\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u5185\u5bb9\u306e\u7406\u89e3\u3092\u4fc3\u9032\u3057\u3001\u5b66\u7fd2\u8005\u306e\u95a2\u5fc3\u3092\u5f15\u304f\u3002<\/span><\/p>\n<p data-start=\"803\" data-end=\"890\"><strong data-start=\"803\" data-end=\"810\">\u5177\u4f53\u4f8b<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u7d4c\u6e08\u5b66\u306e\u8b1b\u7fa9\u8cc7\u6599\u3067\u3001\u9700\u8981\u3068\u4f9b\u7d66\u306e\u95a2\u4fc2\u3092\u793a\u3059\u6570\u5f0f\u3084\u30b0\u30e9\u30d5\u3092\u7528\u3044\u3066\u3001\u7406\u8ad6\u306e\u5177\u4f53\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/span><\/p>\n<h2 data-start=\"897\" data-end=\"927\">\u300c\u3053\u306e\u5834\u9762\u306b\u4f7f\u3048\u308b\u304b\u306a\uff1f\u300d\u3068\u3044\u3046\u30b7\u30fc\u30f3\u3068\u5177\u4f53\u7684\u306a\u4e8b\u4f8b<\/h2>\n<h3 data-start=\"929\" data-end=\"956\">\u30d3\u30b8\u30cd\u30b9\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u63d0\u6848<\/h3>\n<p data-start=\"958\" data-end=\"1044\"><strong data-start=\"958\" data-end=\"964\">\u8ab2\u984c<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u65b0\u3057\u3044\u30d3\u30b8\u30cd\u30b9\u30e2\u30c7\u30eb\u3084\u6226\u7565\u3092\u63d0\u6848\u3059\u308b\u969b\u3001\u8074\u8846\u306b\u305d\u306e\u6709\u52b9\u6027\u3084\u4fe1\u983c\u6027\u3092\u4f1d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/span><\/p>\n<p data-start=\"1046\" data-end=\"1134\"><strong data-start=\"1046\" data-end=\"1054\">\u6d3b\u7528\u65b9\u6cd5<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u63d0\u6848\u5185\u5bb9\u306b\u95a2\u9023\u3059\u308b\u7c21\u5358\u306a\u6570\u5f0f\u3084\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u8ad6\u7406\u7684\u306a\u88cf\u4ed8\u3051\u3092\u5f37\u8abf\u3057\u3001\u8074\u8846\u306e\u7d0d\u5f97\u611f\u3092\u9ad8\u3081\u308b\u3002<\/span><\/p>\n<p data-start=\"1136\" data-end=\"1223\"><strong data-start=\"1136\" data-end=\"1143\">\u5177\u4f53\u4f8b<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u65b0\u3057\u3044\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u6226\u7565\u306e\u52b9\u679c\u3092\u793a\u3059\u969b\u306b\u3001\u300cROI = \uff08\u5229\u76ca \u2212 \u6295\u8cc7\u984d\uff09\u00f7 \u6295\u8cc7\u984d\u300d\u3068\u3044\u3046\u6570\u5f0f\u3092\u7528\u3044\u3066\u3001\u6226\u7565\u306e\u53ce\u76ca\u6027\u3092\u660e\u78ba\u306b\u4f1d\u3048\u308b\u3002<\/span><\/p>\n<h2 data-start=\"1136\" data-end=\"1223\">\u307e\u3068\u3081<\/h2>\n<p><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u300c\u30ca\u30f3\u30bb\u30f3\u30b9\u306a\u6570\u5f0f\u52b9\u679c\u300d\u306f\u3001\u6570\u5f0f\u3084\u7d71\u8a08\u30c7\u30fc\u30bf\u304c\u6301\u3064\u8aac\u5f97\u529b\u3092\u793a\u3059\u4e00\u65b9\u3067\u3001\u305d\u308c\u3089\u304c\u610f\u5473\u3092\u6301\u305f\u306a\u3044\u5834\u5408\u3067\u3082\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002<br \/>\n<\/span><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u30c7\u30b6\u30a4\u30f3\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u5236\u4f5c\u306b\u304a\u3044\u3066\u306f\u3001\u6570\u5f0f\u3084\u30c7\u30fc\u30bf\u306e\u4f7f\u7528\u304c\u9069\u5207\u3067\u3042\u308b\u304b\u3092\u614e\u91cd\u306b\u691c\u8a0e\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u8aa4\u89e3\u3092\u4e0e\u3048\u306a\u3044\u3088\u3046\u914d\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/metric-fixation\/\">\u30de\u30af\u30ca\u30de\u30e9\u306e\u8aa4\u8b2c<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/number-bias\/\">\u6570\u5024\u504f\u91cd\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/goodharts-law\">\u30b0\u30c3\u30c9\u30cf\u30fc\u30c8\u306e\u6cd5\u5247<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/vanity-metrics\/\">\u30d0\u30cb\u30c6\u30a3\u30e1\u30c8\u30ea\u30af\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/measurement-effect\">\u8a08\u6e2c\u52b9\u679c<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/nonsense-math-effect\/\" title=\"\">\u30ca\u30f3\u30bb\u30f3\u30b9\u306a\u6570\u5f0f\u52b9\u679c<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u3084\u8aac\u660e\u306b\u610f\u5473\u306e\u306a\u3044\u6570\u5f0f\u3084\u6570\u5b66\u7684\u8868\u73fe\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u305d\u306e\u5185\u5bb9\u304c\u3088\u308a\u4fe1\u983c\u3067\u304d\u308b\u3001\u6a29\u5a01\u304c\u3042\u308b\u3068\u611f\u3058\u3066\u3057\u307e\u3046\u8a8d\u77e5\u30d0\u30a4\u30a2\u30b9<\/p>\n","protected":false},"author":5,"featured_media":33837,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"English":"nonsense math effect","footnotes":""},"glossary-category":[20],"glossary_tag":[],"class_list":["post-33175","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-category-thinking-mind-bias"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/33175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/users\/5"}],"version-history":[{"count":7,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/33175\/revisions"}],"predecessor-version":[{"id":34922,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary\/33175\/revisions\/34922"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/media\/33837"}],"wp:attachment":[{"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/media?parent=33175"}],"wp:term":[{"taxonomy":"glossary-category","embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary-category?post=33175"},{"taxonomy":"glossary_tag","embeddable":true,"href":"https:\/\/uxdaystokyo.com\/articles\/wp-json\/wp\/v2\/glossary_tag?post=33175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}