{"id":34368,"date":"2025-09-05T12:52:51","date_gmt":"2025-09-05T03:52:51","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=34368"},"modified":"2025-09-05T12:53:56","modified_gmt":"2025-09-05T03:53:56","slug":"regression-toward-the-mean","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/regression-toward-the-mean\/","title":{"rendered":"\u5e73\u5747\u3078\u306e\u56de\u5e30"},"content":{"rendered":"<p>\u5e73\u5747\u3078\u306e\u56de\u5e30\u3068\u306f\u3001\u6975\u7aef\u306a\u5024\u3092\u793a\u3057\u305f\u30c7\u30fc\u30bf\u304c\u6b21\u306e\u89b3\u6e2c\u3067\u306f\u5e73\u5747\u5024\u306b\u8fd1\u3065\u304f\u50be\u5411\u3092\u6301\u3064\u73fe\u8c61\u3092\u6307\u3059\u3002<br \/>\n\u3053\u308c\u306f\u7d71\u8a08\u7684\u306a\u81ea\u7136\u306e\u3086\u3089\u304e\u306b\u3088\u308a\u3001\u5076\u7136\u306b\u5927\u304d\u304f\u5916\u308c\u305f\u5024\u304c\u3001\u6b21\u306e\u6e2c\u5b9a\u3067\u306f\u3088\u308a\u5178\u578b\u7684\u306a\u5024\u306b\u8fd1\u3065\u304f\u305f\u3081\u306b\u751f\u3058\u308b\u3082\u306e\u3067\u3042\u308b\u3002<\/p>\n<p>\u4f8b\uff1a<\/p>\n<ul>\n<li>\u30c6\u30b9\u30c8\u3067\u305f\u307e\u305f\u307e\u9ad8\u5f97\u70b9\u3092\u53d6\u3063\u305f\u751f\u5f92\u306f\u3001\u6b21\u56de\u306e\u30c6\u30b9\u30c8\u3067\u5e73\u5747\u70b9\u306b\u8fd1\u3065\u304f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002<\/li>\n<li>\u30b9\u30dd\u30fc\u30c4\u9078\u624b\u304c\u7570\u5e38\u306b\u597d\u8abf\u3060\u3063\u305f\u7fcc\u30b7\u30fc\u30ba\u30f3\u306f\u3001\u6210\u7e3e\u304c\u843d\u3061\u7740\u304f\u50be\u5411\u306b\u3042\u308b\u3002<\/li>\n<\/ul>\n<h2>\u63d0\u5531\u8005<\/h2>\n<div style=\"width: 366px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/encrypted-tbn1.gstatic.com\/licensed-image?q=tbn:ANd9GcR57VOecPtH4w_qtx4CDKkIpPG8kDVwXP9VP3u_27ikXDd_aj1Cv_qG_mYj_INXpQ0c4TryMbnJAMVeCoQ\" alt=\"\u30d5\u30e9\u30f3\u30b7\u30b9\u30fb\u30b4\u30eb\u30c8\u30f3\" width=\"356\" height=\"474\" \/><p class=\"wp-caption-text\">\u30d5\u30e9\u30f3\u30b7\u30b9\u30fb\u30b4\u30eb\u30c8\u30f3<\/p><\/div>\n<p>\u300c\u5e73\u5747\u3078\u306e\u56de\u5e30\u300d\u306e\u6982\u5ff5\u306f\u300119\u4e16\u7d00\u30a4\u30ae\u30ea\u30b9\u306e\u7d71\u8a08\u5b66\u8005 \u30d5\u30e9\u30f3\u30b7\u30b9\u30fb\u30b4\u30eb\u30c8\u30f3\uff08Francis Galton, 1822\u20131911\uff09 \u00a0\u306b\u3088\u3063\u3066\u767a\u898b\u3055\u308c\u305f\u3002<br \/>\n\u30b4\u30eb\u30c8\u30f3\u306f\u8eab\u9577\u306e\u907a\u4f1d\u7814\u7a76\u3067\u3001\u80cc\u306e\u9ad8\u3044\u89aa\u306e\u5b50\u306f\u5e73\u5747\u7684\u306b\u3084\u3084\u4f4e\u304f\u3001\u80cc\u306e\u4f4e\u3044\u89aa\u306e\u5b50\u306f\u5e73\u5747\u7684\u306b\u3084\u3084\u9ad8\u304f\u306a\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002<\/p>\n<h2>\u30c7\u30b6\u30a4\u30f3\u4e0a\u3067\u306e\u6d3b\u7528<\/h2>\n<p>\u5e73\u5747\u3078\u306e\u56de\u5e30\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u3084A\/B\u30c6\u30b9\u30c8\u306e\u8a55\u4fa1\u306b\u95a2\u308f\u308b\u91cd\u8981\u306a\u8003\u3048\u65b9\u3067\u3042\u308b\u3002\u77ed\u671f\u7684\u306a\u300c\u5076\u7136\u306e\u30d4\u30fc\u30af\u300d\u3084\u300c\u4e00\u6642\u7684\u306a\u4e0d\u8abf\u300d\u306b\u904e\u5ea6\u306b\u53cd\u5fdc\u305b\u305a\u3001\u9577\u671f\u7684\u306a\u50be\u5411\u3092\u898b\u6975\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5229\u7528\u65b9\u6cd5<\/strong>\uff1a<br \/>\n\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3059\u308b\u969b\u306b\u306f\u3001\u7570\u5e38\u5024\u306b\u57fa\u3065\u3044\u3066\u30c7\u30b6\u30a4\u30f3\u3092\u6025\u306b\u5909\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5341\u5206\u306a\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u3068\u6642\u9593\u8ef8\u3067\u5b89\u5b9a\u3057\u305f\u50be\u5411\u3092\u898b\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u5177\u4f53\u7684\u4e8b\u4f8b<\/strong>\uff1a<br \/>\n\u65b0\u3057\u3044UI\u3092\u5c0e\u5165\u3057\u305f\u76f4\u5f8c\u306b\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u304c\u6025\u4e0a\u6607\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u308c\u304c\u300c\u65b0\u898f\u6027\u52b9\u679c\u300d\u3084\u300c\u5076\u7136\u306e\u30d0\u30a4\u30a2\u30b9\u300d\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002\u6570\u9031\u9593\u5358\u4f4d\u3067\u30c7\u30fc\u30bf\u3092\u89b3\u6e2c\u3059\u308c\u3070\u3001\u5e73\u5747\u3078\u306e\u56de\u5e30\u306b\u3088\u3063\u3066\u771f\u306e\u52b9\u679c\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30c0\u30af\u30c8\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30b6\u30a4\u30f3\u3067\u306e\u300c\u3053\u306e\u5834\u9762\u306b\u4f7f\u3048\u308b\u300d<\/h2>\n<ul>\n<li><strong>A\/B\u30c6\u30b9\u30c8\u8a55\u4fa1<\/strong>\uff1a\u6700\u521d\u306e\u6570\u65e5\u306e\u30c7\u30fc\u30bf\u306b\u4e00\u559c\u4e00\u6182\u305b\u305a\u3001\u5e73\u5747\u3078\u306e\u56de\u5e30\u3092\u8003\u616e\u3057\u3066\u5341\u5206\u306a\u671f\u9593\u30c7\u30fc\u30bf\u3092\u53d6\u308b\u3002<\/li>\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u8abf\u67fb<\/strong>\uff1a\u6975\u7aef\u306a\u610f\u898b\uff08\u5927\u7d76\u8cdb\u3084\u5927\u6279\u5224\uff09\u3060\u3051\u306b\u57fa\u3065\u304b\u305a\u3001\u591a\u6570\u306e\u58f0\u3092\u96c6\u3081\u5e73\u5747\u7684\u306a\u50be\u5411\u3092\u628a\u63e1\u3059\u308b\u3002<\/li>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a55\u4fa1<\/strong>\uff1a\u5f93\u696d\u54e1\u3084\u30c1\u30fc\u30e0\u306e\u6210\u679c\u3092\u8a55\u4fa1\u3059\u308b\u969b\u3001\u77ed\u671f\u7684\u306a\u6975\u7aef\u306a\u6210\u529f\u30fb\u5931\u6557\u306b\u60d1\u308f\u3055\u308c\u306a\u3044\u3002<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\"><\/li>\n<\/ul>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/regression-fallacy\/\">\u56de\u5e30\u306e\u8aa4\u8b2c<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u5ea6\u89b3\u6e2c\u3055\u308c\u305f\u6975\u7aef\u306a\u5024\uff08\u5e73\u5747\u304b\u3089\u5927\u304d\u304f\u96e2\u308c\u305f\u5024\uff09\u306f\u3001\u6b21\u306b\u89b3\u6e2c\u3055\u308c\u308b\u5024\u304c\u4ee5\u524d\u3088\u308a\u3082\u5e73\u5747\u306b\u8fd1\u3065\u304f\u50be\u5411\u304c\u3042\u308b\u3068\u3044\u3046\u73fe\u8c61<\/p>\n","protected":false},"author":5,"featured_media":34431,"template":"","meta":{"_monsterinsights_skip_tracking":false,"English":"Regression toward the Mean","design_hint":"\u6700\u60aa\u306e\u9031\u306e\u6b21\u304c\u6539\u5584\u3059\u308b\u306e\u306f\u3001\u305f\u3044\u3066\u3044\u65bd\u7b56\u306e\u304a\u304b\u3052\u3067\u306f\u306a\u3044\u3002\u5e95\u3067\u6253\u3063\u305f\u624b\u307b\u3069\u52b9\u3044\u3066\u898b\u3048\u308b\u3002\u6bd4\u3079\u308b\u76f8\u624b\u306f\u3001\u524d\u306e\u9031\u3067\u306f\u306a\u304f\u5bfe\u7167\u7fa4\u306b\u3057\u308d\u3002","footnotes":""},"glossary-category":[369],"glossary_tag":[],"class_list":["post-34368","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-category-research-analysis-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5e73\u5747\u3078\u306e\u56de\u5e30 | UX TIMES<\/title>\n<meta name=\"description\" content=\"\u5e73\u5747\u3078\u306e\u56de\u5e30\u3068\u306f\u3001\u6975\u7aef\u306a\u5024\u3092\u793a\u3057\u305f\u30c7\u30fc\u30bf\u304c\u6b21\u306e\u89b3\u6e2c\u3067\u306f\u5e73\u5747\u5024\u306b\u8fd1\u3065\u304f\u50be\u5411\u3092\u6301\u3064\u73fe\u8c61\u3092\u6307\u3059\u3002 \u3053\u308c\u306f\u7d71\u8a08\u7684\u306a\u81ea\u7136\u306e\u3086\u3089\u304e\u306b\u3088\u308a\u3001\u5076\u7136\u306b\u5927\u304d\u304f\u5916\u308c\u305f\u5024\u304c\u3001\u6b21\u306e\u6e2c\u5b9a\u3067\u306f\u3088\u308a\u5178\u578b\u7684\u306a\u5024\u306b\u8fd1\u3065\u304f\u305f\u3081\u306b\u751f\u3058\u308b\u3082\u306e\u3067\u3042\u308b\u3002  \u4f8b\uff1a   \u30c6\u30b9\u30c8\u3067\u305f\u307e\u305f\u307e\u9ad8\u5f97\u70b9\u3092\u53d6\u3063\u305f\u751f\u5f92\u306f\u3001\u6b21\u56de\u306e\u30c6\u30b9\u30c8\u3067\u5e73\u5747\u70b9\u306b\u8fd1\u3065\u304f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002  \u30b9\u30dd\u30fc\u30c4\u9078\u624b\u304c\u7570\u5e38\u306b\u597d\u8abf\u3060\u3063\u305f\u7fcc\u30b7\u30fc\u30ba\u30f3\u306f\u3001\u6210\u7e3e\u304c\u843d\u3061\u7740\u304f\u50be\u5411\u306b\u3042\u308b\u3002  \u63d0\u5531\u8005   \u300c\u5e73\u5747\u3078\u306e\u56de\u5e30\u300d\u306e\u6982\u5ff5\u306f\u300119\u4e16\u7d00\u30a4\u30ae\u30ea\u30b9\u306e\u7d71\u8a08\u5b66\u8005 \u30d5\u30e9\u30f3\u30b7\u30b9\u30fb\u30b4\u30eb\u30c8\u30f3\uff08Francis Galton, 1822\u20131911\uff09 \u00a0\u306b\u3088\u3063\u3066\u767a\u898b\u3055\u308c\u305f\u3002 \u30b4\u30eb\u30c8\u30f3\u306f\u8eab\u9577\u306e\u907a\u4f1d\u7814\u7a76\u3067\u3001\u80cc\u306e\u9ad8\u3044\u89aa\u306e\u5b50\u306f\u5e73\u5747\u7684\u306b\u3084\u3084\u4f4e\u304f\u3001\u80cc\u306e\u4f4e\u3044\u89aa\u306e\u5b50\u306f\u5e73\u5747\u7684\u306b\u3084\u3084\u9ad8\u304f\u306a\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002 \u30c7\u30b6\u30a4\u30f3\u4e0a\u3067\u306e\u6d3b\u7528 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