{"id":730049,"date":"2021-10-27T22:24:10","date_gmt":"2021-10-28T05:24:10","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/%e3%82%b5%e3%83%b3%e3%83%97%e3%83%aa%e3%83%b3%e3%82%b0%e3%83%bb%e3%83%90%e3%82%a4%e3%82%a2%e3%82%b9%ef%bc%9a%e3%81%9d%e3%81%ae%e6%ad%a3%e4%bd%93%e3%80%81%e4%be%8b%e3%80%81%e5%9b%9e%e9%81%bf%e3%81%99\/"},"modified":"2021-10-27T22:24:10","modified_gmt":"2021-10-27T22:24:10","slug":"%e3%82%b5%e3%83%b3%e3%83%97%e3%83%aa%e3%83%b3%e3%82%b0%e3%83%bb%e3%83%90%e3%82%a4%e3%82%a2%e3%82%b9%ef%bc%9a%e3%81%9d%e3%81%ae%e6%ad%a3%e4%bd%93%e3%80%81%e4%be%8b%e3%80%81%e5%9b%9e%e9%81%bf%e3%81%99","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/ja\/%e3%82%b5%e3%83%b3%e3%83%97%e3%83%aa%e3%83%b3%e3%82%b0%e3%83%bb%e3%83%90%e3%82%a4%e3%82%a2%e3%82%b9%ef%bc%9a%e3%81%9d%e3%81%ae%e6%ad%a3%e4%bd%93%e3%80%81%e4%be%8b%e3%80%81%e5%9b%9e%e9%81%bf%e3%81%99\/","title":{"rendered":"\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9\uff1a\u305d\u306e\u6b63\u4f53\u3001\u4f8b\u3001\u56de\u907f\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u4f8b\u3048\u3070\u3001\u81ea\u52d5\u8eca\u306e\u904b\u8ee2\u4f53\u9a13\u306b\u95a2\u3059\u308b\u7814\u7a76\u3092\u884c\u3046\u5834\u5408\u3001\u53c2\u52a0\u8005\u304c\u5168\u54e1\u30d0\u30a4\u30af\u30e6\u30fc\u30b6\u30fc\u3070\u304b\u308a\u3067\u306f\u3001\u3069\u3046\u3057\u3066\u3082\u72d9\u3063\u305f\u7814\u7a76\u7d50\u679c\u304c\u5f97\u3089\u308c\u306a\u3044\u3002 \u3053\u306e\u3088\u3046\u306b\u3001\u53c2\u52a0\u8005\u306e\u9078\u629e\u304c\u4e0d\u5341\u5206\u306a\u72b6\u614b\u3067\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u305f\u5834\u5408\u306b\u751f\u3058\u308b\u8aa4\u5dee\u3092<strong> \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9\u3068<\/strong>\u3044\u3044\u3001\u53c2\u52a0\u8005\u3092\u5e38\u306b\u7121\u4f5c\u70ba\u306b\u3001\u7570\u306a\u308b\u6587\u8108\u304b\u3089\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<div class=\"tags-wrap\">\n<p class=\"content-index\" style=\"margin-top: 0;\">\u76ee\u6b21\uff5c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9<\/p>\n<ol style=\"font-weight: 400; margin: 0 30px; line-height: 22px;\">\n<li><a href=\"#What_is_sampling_bias\">\u5b9a\u7fa9<\/a><\/li>\n<li><a href=\"#Types_of_sampling_bias\">\u539f\u56e0\u3068\u7a2e\u985e  <\/a>\n<ol>\n<li><a href=\"#Undercoverage_bias\">\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30ec\u30c3\u30b8\u30fb\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"#Example_of_undercoverage_bias\">\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u30fb\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b<\/a><\/li>\n<li><a href=\"#Voluntary_response_bias\">\u4efb\u610f\u56de\u7b54\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"#Example_of_voluntary_bias\">\u81ea\u5df1\u9078\u629e\uff0f\u30dc\u30e9\u30f3\u30bf\u30ea\u30fc\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b<\/a><\/li>\n<li><a href=\"#Survivorship_bias\">\u751f\u5b58\u7387\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"#Example_of_voluntary_bias\">\u30b5\u30d0\u30a4\u30d0\u30fc\u30b7\u30c3\u30d7\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b<\/a><\/li>\n<li><a href=\"#Non_response_bias\">\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"#Example_of_non_response_bias\">\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b<\/a><\/li>\n<li><a href=\"#Recall_bias\">\u30ea\u30b3\u30fc\u30eb\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<li><a href=\"#Observer_bias\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30fb\u30d0\u30a4\u30a2\u30b9<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#How_to_avoid_sampling_bias\">\u56de\u907f\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#importance_of_stratified_random_sampling\">\u5c64\u5225\u7121\u4f5c\u70ba\u62bd\u51fa\u306e\u91cd\u8981\u6027<\/a><\/li>\n<li><a href=\"#sampling_bias_partner\">QuestionPro Audience &#8211; \u3042\u306a\u305f\u306e\u30b4\u30fc\u30a4\u30f3\u30b0\u30fb\u30d1\u30fc\u30c8\u30ca\u30fc<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"What_is_sampling_bias\"><b>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u3068\u306f\uff1f<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u8abf\u67fb\u306b\u304a\u3051\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9\u307e\u305f\u306f\u504f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u610f\u56f3\u3057\u305f\u6bcd\u96c6\u56e3\u306e\u30e1\u30f3\u30d0\u30fc\u304c\u8aa4\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059 &#8211; \u5f7c\u3089\u304c\u9078\u629e\u3055\u308c\u308b\u78ba\u7387\u304c\u4f4e\u3044\u304b\u9ad8\u3044\u304b\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9\u306e\u6700\u3082\u4e00\u822c\u7684\u3067\u308f\u304b\u308a\u3084\u3059\u3044\u4f8b\u306f\u3001\u5927\u7d71\u9818\u9078\u6319\u306e\u6295\u7968\u8005\u3067\u3042\u308b\u3002 \u4e2d\u6d41\u968e\u7d1a\u306e\u30d6\u30eb\u30fc\u30ab\u30e9\u30fc\u6709\u6a29\u80051000\u4eba\u306b\u4e16\u8ad6\u8abf\u67fb\u3092\u3059\u308b\u3068\u3001\u5168\u4f53\u50cf\u3092\u63cf\u304f\u306e\u306b\u5341\u5206\u306a\u591a\u69d8\u6027\u304c\u306a\u3044\u305f\u3081\u3001\u30b5\u30f3\u30d7\u30eb\u306b\u5927\u304d\u306a\u504f\u308a\u304c\u751f\u3058\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002 \u6b63\u78ba\u306a\u7d50\u8ad6\u3092\u5c0e\u304d\u51fa\u3059\u305f\u3081\u306b\u5fc5\u8981\u306a\u8907\u6570\u306e\u30c7\u30e2\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u7701\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/span><\/p>\n<h2 id=\"Types_of_sampling_bias\"><b>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u306e\u539f\u56e0\u3068\u7a2e\u985e<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u504f\u308a\u306b\u306f\u3001\u7814\u7a76\u8005\u304c\u6c17\u3092\u3064\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u539f\u56e0\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u3001\u305d\u306e\u4ee3\u8868\u7684\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002  <\/span><\/p>\n<ul>\n<li>\n<h3 id=\"Undercoverage_bias\"><b>\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u3068\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9\u3002  <\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u306f\u3001\u7814\u7a76\u8005\u304c\u30b5\u30f3\u30d7\u30eb\u3092\u6b63\u78ba\u306b\u8868\u73fe\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u306e\u6700\u5927\u306e\u539f\u56e0\u306e1\u3064\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u30ab\u30d0\u30fc\u7387\u306e\u4f4e\u3055\u306e\u4e3b\u306a\u539f\u56e0\u306f\u3001\u6bcd\u96c6\u56e3\u3092\u5341\u5206\u306b\u4ee3\u8868\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3084\u3001<a href=\"https:\/\/www.questionpro.com\/blog\/convenience-sampling\/\">\u30b3\u30f3\u30d3\u30cb\u30a8\u30f3\u30b9\u30fb\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066<\/a>\u7c21\u5358\u306b\u5165\u624b\u3067\u304d\u308b\u56de\u7b54\u8005\u306e\u307f\u304b\u3089\u56de\u7b54\u3092\u53ce\u96c6\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u3088\u308b\u5168\u56fd\u8abf\u67fb\u306f\u3001\u9ad8\u9f62\u8005\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u3001\u3042\u308b\u3044\u306f\u3067\u304d\u306a\u3044\u4eba\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u306e\u30ea\u30b9\u30af\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u8a72\u5f53\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u6bcd\u96c6\u56e3\u3092\u516c\u5e73\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3001\u6b63\u78ba\u306a<a href=\"https:\/\/www.questionpro.com\/blog\/surveys\/\">\u8abf\u67fb<\/a>\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u305d\u308c\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5c64\u3092\u53d6\u308a\u3053\u307c\u3055\u306a\u3044\u3088\u3046\u3001\u7279\u5225\u306a\u52aa\u529b\u3092\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002  <\/span><\/p>\n<h4 id=\"Example_of_undercoverage_bias\"><b>\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u30fb\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b\u3002  <\/b><\/h4>\n<p><span style=\"font-weight: 400;\">\u3042\u308b\u90fd\u5e02\u3067\u65b0\u3057\u3044\u4ea4\u901a\u6cd5\u306e\u52b9\u679c\u3092\u628a\u63e1\u3057\u305f\u3044\u7814\u7a76\u8005\u304c\u3001\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u5185\u3067\u30b3\u30f3\u30d3\u30cb\u30a8\u30f3\u30b9\u30fb\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u3088\u308b\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u305f\u3002 \u3053\u306e\u8abf\u67fb\u306f\u3001\u4ee5\u4e0b\u306e\u30b0\u30eb\u30fc\u30d7\u304b\u3089\u30a2\u30f3\u30c0\u30fc\u30ab\u30d0\u30fc\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u306b\u884c\u304f\u306e\u304c\u82e6\u624b\u306a\u4eba<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u307e\u3067\u306e\u4ea4\u901a\u624b\u6bb5\u304c\u306a\u3044\u65b9<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4ed6\u306e\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u3092\u5229\u7528\u3057\u305f\u3044\u65b9<\/span><\/li>\n<\/ul>\n<\/li>\n<li>\n<h3 id=\"Voluntary_response_bias\"><b>\u4efb\u610f\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u3002<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u4efb\u610f\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u306f\u81ea\u5df1\u9078\u629e\u30d0\u30a4\u30a2\u30b9\u3068\u3082\u547c\u3070\u308c\u3001\u7279\u5b9a\u306e\u7279\u6027\u3092\u6301\u3064\u56de\u7b54\u8005\u304c\u3001\u4ed6\u306e\u56de\u7b54\u8005\u3088\u308a\u3082\u9032\u3093\u3067<a href=\"https:\/\/www.questionpro.com\/blog\/what-is-research\/\">\u8abf\u67fb\u306b<\/a>\u53c2\u52a0\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u5f7c\u3089\u304c\u7814\u7a76\u53c2\u52a0\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u5834\u5408\u306b\u8d77\u3053\u308a\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u3001\u56de\u7b54\u8005\u306f\u4e2d\u7acb\u3067\u306f\u306a\u304f\u3001\u307b\u3068\u3093\u3069\u304c\u4e00\u3064\u306e\u30c8\u30d4\u30c3\u30af\u306b\u5171\u611f\u3057\u3066\u50be\u5012\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u81ea\u5df1\u9078\u629e\u306b\u3088\u308a\u3001\u7814\u7a76\u306b\u671b\u307e\u3057\u304f\u306a\u3044\u7d50\u679c\u304c\u751f\u3058\u3001\u7814\u7a76\u306e\u5408\u7406\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3002 \u307e\u305f\u3001\u81ea\u5206\u306e\u610f\u898b\u304c\u91cd\u8981\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u305d\u306e\u8a71\u984c\u304b\u3089\u9060\u3056\u304b\u308a\u305f\u3044\u3068\u601d\u3046\u4eba\u306e\u6c17\u6301\u3061\u304b\u3089\u3001\u81ea\u767a\u7684\u306a\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u304c\u767a\u751f\u3057\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u8abf\u67fb\u306e\u7d50\u679c\u306f\u3001\u305d\u306e\u30c6\u30fc\u30de\u306b\u3064\u3044\u3066\u5f37\u3044\u610f\u898b\u3092\u6301\u3063\u3066\u3044\u308b\u4eba\u3060\u3051\u3092\u8868\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u4eba\u306f\u7701\u304d\u3001\u30b5\u30f3\u30d7\u30eb\u3092\u904e\u5270\u306b\u8868\u73fe\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<h4 id=\"Example_of_voluntary_bias\"><b>\u81ea\u5df1\u9078\u629e\u30fb\u81ea\u767a\u7684\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b\u3002  <\/b><\/h4>\n<p><span style=\"font-weight: 400;\">\u30c6\u30ec\u30d3\u30fb\u30e9\u30b8\u30aa\u306e\u30b3\u30fc\u30eb\u30a4\u30f3\u306f\u3001\u8a71\u984c\u306b\u95a2\u5fc3\u306e\u3042\u308b\u56de\u7b54\u8005\u3060\u3051\u304c\u30c0\u30a4\u30e4\u30eb\u3092\u56de\u3057\u3066\u8abf\u67fb\u306b\u53c2\u52a0\u3059\u308b\u3001\u30dc\u30e9\u30f3\u30bf\u30ea\u30fc\u30d0\u30a4\u30a2\u30b9\u306e\u6700\u305f\u308b\u4f8b\u3067\u3042\u308b\u3002<\/span><\/p>\n<ul>\n<li>\n<h3 id=\"Survivorship_bias\"><b>\u751f\u5b58\u7387\u306e\u504f\u308a\u3002<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u751f\u5b58\u8005\u30d0\u30a4\u30a2\u30b9\u3082\u307e\u305f\u3001\u6a19\u672c\u30d0\u30a4\u30a2\u30b9\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u7814\u7a76\u8005\u306f\u9078\u629e\u57fa\u6e96\u3092\u901a\u904e\u3057\u305f<a href=\"https:\/\/www.questionpro.com\/blog\/sample\/\">\u6a19\u672c\u306e\u307f\u306b<\/a>\u96c6\u4e2d\u3057\u3001\u901a\u904e\u3067\u304d\u306a\u304b\u3063\u305f\u6a19\u672c\u306f\u7121\u8996\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3042\u308b\u3002 \u751f\u5b58\u30d0\u30a4\u30a2\u30b9\u306e\u554f\u984c\u306f\u3001\u7d50\u679c\u304c\u975e\u5e38\u306b\u697d\u89b3\u7684\u3067\u3042\u308b\u305f\u3081\u3001\u7814\u7a76\u8005\u306b\u5168\u4f53\u50cf\u3092\u4e0e\u3048\u306a\u3044\u3053\u3068\u3067\u3042\u308b\u3002 \u57fa\u6e96\u306b\u9054\u3057\u306a\u304b\u3063\u305f\u5909\u6570\u306e\u610f\u898b\u306f\u7121\u8996\u3055\u308c\u308b\u305f\u3081\u3001\u7d50\u679c\u304c\u4e00\u65b9\u7684\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002 \u898b\u901a\u3057\u304c\u60aa\u3044\u3068\u3001\u8ad6\u7406\u7684\u306a\u9593\u9055\u3044\u304c\u8d77\u3053\u308a\u3001\u6700\u7d42\u7684\u306a\u7d50\u679c\u304c\u6b6a\u3093\u3067\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/span><\/p>\n<h4 id=\"Example_of_voluntary_bias\"><b>\u751f\u5b58\u7387\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b\u3002<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">\u3042\u308b\u696d\u754c\u306e\u696d\u7e3e\u3092\u8abf\u3079\u3066\u3082\u3001\u5931\u6557\u3057\u3066\u4eca\u306f\u5b58\u5728\u3057\u306a\u304f\u306a\u3063\u305f\u7d44\u7e54\u306f\u8003\u616e\u3055\u308c\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002  <\/span> <span style=\"font-weight: 400;\">\u3053\u306e\u7d50\u679c\u306f\u3001\u751f\u5b58\u8005\u30d0\u30a4\u30a2\u30b9\u306b\u3088\u3063\u3066\u30d7\u30e9\u30b9\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u7523\u696d\u5168\u4f53\u3092\u6b63\u78ba\u306b\u8868\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<ul>\n<li>\n<h3 id=\"Non_response_bias\"><b>\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u304c\u3042\u308b\u3002<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u7814\u7a76\u3078\u306e\u53c2\u52a0\u3092\u62d2\u5426\u3057\u3001\u7814\u7a76\u304b\u3089\u8131\u843d\u3059\u308b\u56de\u7b54\u8005\u306f\u3001\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002 \u7121\u56de\u7b54\u306f\u3001\u8abf\u67fb<a href=\"https:\/\/www.questionpro.com\/blog\/what-is-a-target-audience\/\">\u5bfe\u8c61\u8005\u306e<\/a>\u4e00\u90e8\u304c\u8abf\u67fb\u306b\u53c2\u52a0\u3057\u306a\u3044\u3053\u3068\u3092\u9078\u629e\u3057\u305f\u305f\u3081\u306b\u8d77\u3053\u308b\u3082\u306e\u3067\u3059\u3002 \u53c2\u52a0\u30d0\u30a4\u30a2\u30b9\u306f\u3001\u8907\u6570\u306e\u7406\u7531\u306b\u3088\u3063\u3066\u8d77\u3053\u308a\u3001\u7814\u7a76\u306b\u5927\u304d\u306a\u504f\u308a\u3092\u751f\u3058\u3055\u305b\u307e\u3059\u3002 \u7814\u7a76\u306e\u9577\u3055\u3084\u8cea\u554f\u306e\u69cb\u6210\u304c\u539f\u56e0\u3067\u3001\u8131\u843d\u3092\u9078\u629e\u3059\u308b\u4eba\u3082\u591a\u3044\u3002  <\/span><\/p>\n<h4 id=\"Example_of_non_response_bias\"><b>\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u306e\u4f8b\u3002  <\/b><\/h4>\n<p><span style=\"font-weight: 400;\">\u30b5\u30f3\u30d7\u30eb\u306b\u6a5f\u5bc6\u60c5\u5831\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u306f\u3001\u975e\u56de\u7b54\u30d0\u30a4\u30a2\u30b9\u306e\u4e3b\u306a\u539f\u56e0\u306e1\u3064\u3067\u3059\u3002 \u5bb6\u65cf\u3001\u53ce\u5165\u3001\u6027\u7684\u55dc\u597d\u3001\u85ac\u7269\u4f7f\u7528\u306a\u3069\u3001\u500b\u4eba\u7684\u306a\u4e8b\u67c4\u306b\u3064\u3044\u3066\u7b54\u3048\u308b\u3053\u3068\u306b\u62b5\u6297\u304c\u3042\u308b\u56de\u7b54\u8005\u304c\u591a\u3044\u305f\u3081\u3001\u56de\u7b54\u306b\u504f\u308a\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li>\n<h3 id=\"Recall_bias\"><b>\u30ea\u30b3\u30fc\u30eb\u30d0\u30a4\u30a2\u30b9\u3002<\/b><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u30ea\u30b3\u30fc\u30eb\u30d0\u30a4\u30a2\u30b9\u306f\u3001\u56de\u7b54\u8005\u304c\u7269\u4e8b\u3092\u6b63\u3057\u304f\u899a\u3048\u3066\u3044\u306a\u3044\u3068\u304d\u306b\u8d77\u3053\u308b\u3082\u306e\u3067\u3059\u3002 \u60f3\u8d77\u30d0\u30a4\u30a2\u30b9\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u3067\u304d\u307e\u305b\u3093\u304c\u3001<a href=\"https:\/\/www.questionpro.com\/blog\/data-collection\/\">\u30c7\u30fc\u30bf\u53ce\u96c6\u306b\u304a\u3051\u308b<\/a>\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3068\u3057\u3066\u8003\u3048\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002 \u4eba\u9593\u306e\u8a18\u61b6\u306f\u4e0d\u5b8c\u5168\u3067\u3042\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u9078\u629e\u7684\u306a\u8a18\u61b6\u3092\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30ea\u30b3\u30fc\u30eb\u30d0\u30a4\u30a2\u30b9\u306f\u8abf\u67fb\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u4e00\u822c\u7684\u3067\u3042\u308b\u3002 \u7269\u899a\u3048\u306e\u826f\u3057\u60aa\u3057\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u30ea\u30b3\u30fc\u30eb\u30d0\u30a4\u30a2\u30b9\u3092\u907f\u3051\u308b\u306b\u306f\u3001\u56de\u7b54\u8005\u306e\u8a18\u61b6\u304c\u9bae\u660e\u306a\u3046\u3061\u306b\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u3059\u308b\u306e\u304c\u4e00\u756a\u3067\u3059\u3002<\/span><\/p>\n<ul>\n<li>\n<h3 id=\"Observer_bias\"><b>\u89b3\u6e2c\u8005\u306e\u504f\u308a\u3002<\/b><span style=\"font-weight: 400;\"> <\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u89b3\u5bdf\u8005\u30d0\u30a4\u30a2\u30b9\u306f\u3001\u7814\u7a76\u8005\u81ea\u8eab\u304c\u610f\u8b58\u7684\u306b\u3001\u3042\u308b\u3044\u306f\u5927\u90e8\u5206\u306f\u7121\u610f\u8b58\u7684\u306b\u3001\u7814\u7a76\u306e\u671f\u5f85\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002 \u7279\u5b9a\u306e\u7d71\u8a08\u30b0\u30eb\u30fc\u30d7\u3060\u3051\u3092\u8abf\u3079\u3066\u30c1\u30a7\u30ea\u30fc\u30d4\u30c3\u30af\u3092\u3057\u305f\u308a\u3001\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u306e\u969b\u306b\u53c2\u52a0\u8005\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u767a\u751f\u3057\u307e\u3059\u3002 \u512a\u308c\u305f\u8abf\u67fb\u30c7\u30b6\u30a4\u30f3\u306f\u3001\u3053\u306e\u30d0\u30a4\u30a2\u30b9\u3092\u8efd\u6e1b\u3057\u3001\u7814\u7a76\u8005\u304c\u5b8c\u5168\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h2 id=\"How_to_avoid_sampling_bias\"><b>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u3092\u56de\u907f\u3059\u308b\u65b9\u6cd5<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u3092\u5b8c\u5168\u306b\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u7121\u7406\u3067\u3082\u3001\u3042\u308b\u7a0b\u5ea6\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002 \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-125394\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2021\/10\/how-to-avoid-sampling-bias-min.jpg\" alt=\"\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d0\u30a4\u30a2\u30b9\u306e\u56de\u907f\u65b9\u6cd5\" width=\"992\" height=\"720\"><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.questionpro.com\/blog\/population-data\/\">\u6bcd\u96c6\u56e3\u3068<\/a>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u3092\u5b9a\u7fa9\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u5bfe\u8c61\u8005\u3068<a href=\"https:\/\/www.questionpro.com\/blog\/sampling-frame\/\">\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u304c<\/a>\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u9577\u3055\u3092\u77ed\u304f\u3059\u308b\u3001\u307e\u305f\u306f\u59a5\u5f53\u306a\u9577\u3055\u306b\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30a2\u30f3\u30b1\u30fc\u30c8\u306b\u7c21\u5358\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30b3\u30f3\u30d3\u30cb\u30a8\u30f3\u30b9\u30fb\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u306f\u306a\u3044<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u76ee\u6a19\u3092\u8a2d\u5b9a\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u56de\u7b54\u8005\u306b\u5e73\u7b49\u306b\u53c2\u52a0\u3059\u308b\u6a5f\u4f1a\u3092\u4e0e\u3048\u308b  <\/span><\/li>\n<\/ul>\n<h3 id=\"importance_of_stratified_random_sampling\"><b>\u5c64\u5225\u7121\u4f5c\u70ba\u62bd\u51fa\u306e\u91cd\u8981\u6027<\/b><\/h3>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.questionpro.com\/blog\/stratified-random-sampling\/\">\u5c64\u5316\u30e9\u30f3\u30c0\u30e0\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092<\/a>\u5b9f\u65bd\u3059\u308b\u3053\u3068\u306f\u3001\u7814\u7a76\u306e\u504f\u308a\u30ec\u30d9\u30eb\u3092\u4e0b\u3052\u308b\u305f\u3081\u306e\u7d20\u6674\u3089\u3057\u3044\u65b9\u6cd5\u3067\u3059\u3002 \u7814\u7a76\u8005\u304c\u6bcd\u96c6\u56e3\u3092\u6b63\u78ba\u306b\u8abf\u3079\u3001\u6b63\u78ba\u306b\u4ee3\u8868\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u6210\u3059\u308b\u6a5f\u4f1a\u3092\u4e0e\u3048\u3066\u304f\u308c\u308b\u306e\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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