{"id":730056,"date":"2018-04-10T03:35:31","date_gmt":"2018-04-10T10:35:31","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/%e8%aa%a4%e5%b7%ae%e3%81%ae%e7%af%84%e5%9b%b2%e3%81%a8%e3%81%af-%e5%ae%9a%e7%be%a9%e3%80%81%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95%e3%81%a8%e4%be%8b\/"},"modified":"2024-08-07T21:49:18","modified_gmt":"2024-08-08T04:49:18","slug":"%e8%aa%a4%e5%b7%ae%e3%81%ae%e7%af%84%e5%9b%b2%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/ja\/%e8%aa%a4%e5%b7%ae%e3%81%ae%e7%af%84%e5%9b%b2%e3%81%a8%e3%81%af\/","title":{"rendered":"\u8aa4\u5dee\uff1a\u5b9a\u7fa9\u3068\u4f8b\u306b\u3088\u308b\u7c21\u5358\u306a\u8a08\u7b97"},"content":{"rendered":"\n<p>\u8aa4\u5dee\u306f\u3001\u8abf\u67fb\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4fe1\u983c\u6027\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u6982\u5ff5\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u5b9a\u7fa9\u3068\u8a08\u7b97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u8abf\u67fb\u3067\u306e\u4f7f\u7528\u4f8b\u3092\u793a\u3057\u306a\u304c\u3089\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u8abf\u67fb\u7d50\u679c\u3092\u89e3\u91c8\u3059\u308b\u969b\u306b\u8aa4\u5dee\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u306e\u91cd\u8981\u6027\u3068\u3001\u305d\u308c\u304c\u30c7\u30fc\u30bf\u304b\u3089\u5c0e\u304d\u51fa\u3055\u308c\u308b\u7d50\u8ad6\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306f\u3001\u7d4c\u9a13\u8005\u3067\u3042\u308c\u3001\u3053\u308c\u304b\u3089\u59cb\u3081\u308b\u65b9\u3067\u3042\u308c\u3001\u8aa4\u5dee\u306e\u6280\u8853\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3001\u8abf\u67fb\u306e\u6b63\u78ba\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u65b9\u306b\u3068\u3063\u3066\u5fc5\u8aad\u3067\u3059\u3002\u305d\u308c\u3067\u306f\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8aa4\u5dee\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong> \u5b9a\u7fa9\uff1a<\/strong><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u7d71\u8a08\u306b\u304a\u3051\u308b\u8aa4\u5dee\u3068\u306f\u3001<\/span><a href=\"https:\/\/www.questionpro.com\/blog\/ja\/simple-random-sampling\/\"><span style=\"font-weight: 400;\">\u30e9\u30f3\u30c0\u30e0\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/span><\/a><span style=\"font-weight: 400;\">\u8abf\u67fb\u304b\u3089\u5f97\u3089\u308c\u305f\u7d50\u679c\u306e\u8aa4\u5dee\u306e\u5ea6\u5408\u3044\u3092\u6307\u3057\u307e\u3059\u3002\u7d71\u8a08\u306b\u304a\u3051\u308b\u8aa4\u5dee\u304c\u5927\u304d\u3051\u308c\u3070\u5927\u304d\u3044\u307b\u3069\u3001<\/span><a href=\"https:\/\/www.questionpro.com\/blog\/ja\/surveys\/\"><span style=\"font-weight: 400;\">\u8abf\u67fb<\/span><\/a><span style=\"font-weight: 400;\">\u3084<\/span><a href=\"https:\/\/www.questionpro.com\/online-polls.html\"><span style=\"font-weight: 400;\">\u6295\u7968\u8abf\u67fb<\/span><\/a><span style=\"font-weight: 400;\">\u306e\u7d50\u679c\u3092\u4fe1\u983c\u3059\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u4fe1\u983c\u533a\u9593\u306f\u3001\u8abf\u67fb\u304b\u3089\u5f97\u3089\u308c\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u6301\u3064\u3079\u304d\u4fe1\u983c\u5ea6\u3092\u793a\u3059\u3082\u306e\u3067\u3042\u308a\u3001<\/span><a href=\"https:\/\/www.questionpro.com\/market-research.html\"><span style=\"font-weight: 400;\">\u5e02\u5834\u8abf\u67fb<\/span><\/a><span style=\"font-weight: 400;\">\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u4fe1\u983c\u533a\u9593\u306f\u3001\u7279\u5b9a\u306e\u7d71\u8a08\u91cf\u306e\u4e88\u6e2c\u4e0d\u53ef\u80fd\u6027\u306e\u30ec\u30d9\u30eb\u3067\u3059\u3002\u901a\u5e38\u3001\u4fe1\u983c\u533a\u9593\u306f\u8aa4\u5dee\u3068\u95a2\u9023\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u8abf\u67fb\u3084\u6295\u7968\u8abf\u67fb\u306e\u7d50\u679c\u304c\u6bcd\u96c6\u56e3\u5168\u4f53\u3092\u8868\u3059\u306b\u5024\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u969b\u306e\u7d71\u8a08\u5b66\u8005\u306e\u4fe1\u983c\u5ea6\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong><i>\u8aa4\u5dee\u304c\u5c0f\u3055\u3044\u307b\u3069\u3001\u5f97\u3089\u308c\u305f\u7d50\u679c\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u5ea6\u304c\u9ad8\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/i><\/strong><\/p>\n\n\n\n<p>\u5168\u6bcd\u96c6\u56e3\u3092\u63a8\u5b9a\u3059\u308b\u305f\u3081\u306b\u4ee3\u8868\u30b5\u30f3\u30d7\u30eb\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3001\u4e0d\u78ba\u5b9f\u306a\u8981\u7d20\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u306e\u7d71\u8a08\u91cf\u304b\u3089\u5b9f\u969b\u306e\u7d71\u8a08\u91cf\u3092\u63a8\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6211\u3005\u306e\u63a8\u5b9a\u5024\u304c\u5b9f\u969b\u306e\u6570\u5024\u306b\u8fd1\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u8aa4\u5dee\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u63a8\u5b9a\u306f\u3055\u3089\u306b\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u8a73\u7d30\u306f\u3053\u3061\u3089\uff1a<\/strong> <a href=\"https:\/\/www.questionpro.com\/blog\/ja\/population-vs-sample\/\">\u6bcd\u96c6\u56e3\u3068\u6a19\u672c<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><b>\u8aa4\u5dee\u306e\u8a08\u7b97\uff1a<\/b><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">\u3088\u304f\u5b9a\u7fa9\u3055\u308c\u305f\u6bcd\u96c6\u56e3\u306f\u3001\u8aa4\u5dee\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306e\u524d\u63d0\u6761\u4ef6\u3067\u3059\u3002\u7d71\u8a08\u5b66\u3067\u306f\u3001\u300c\u6bcd\u96c6\u56e3\u300d\u306f\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u8abf\u67fb\u3057\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3088\u3046\u3068\u3059\u308b\u7279\u5b9a\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u6bcd\u96c6\u56e3\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u308a\u3001\u6a19\u672c\u62bd\u51fa\u30d7\u30ed\u30bb\u30b9\u304c\u9069\u5207\u306b\u884c\u308f\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u3053\u306e<a href=\"https:\/\/www.questionpro.com\/blog\/ja\/sampling-error\/\">\u6a19\u672c\u62bd\u51fa\u8aa4\u5dee<\/a> \u304c\u8457\u3057\u304f\u5927\u304d\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u7d71\u8a08\u8abf\u67fb\u3092\u884c\u3046\u305f\u3073\u306b\u3001\u8aa4\u5dee\u306e\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u306e\u666e\u904d\u7684\u306a\u516c\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><img decoding=\"async\" width=\"296\" height=\"156\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/04\/Margin-of-Error-formula.jpg\" alt=\"Margin of Error formula\" class=\"wp-image-56045\"\/><\/figure><\/div>\n\n\n<p><span style=\"font-weight: 400;\"><br><\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u3053\u3053\u3067\uff1a<\/span><\/p>\n\n\n\n<p>p\u0302 = \u6a19\u672c\u5272\u5408\uff08\u300cP\u30cf\u30c3\u30c8\u300d\uff09<\/p>\n\n\n\n<p>n = \u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba<\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">z = \u5e0c\u671b\u3059\u308b\u4fe1\u983c\u6c34\u6e96\u306b\u5bfe\u5fdc\u3059\u308bz\u30b9\u30b3\u30a2<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>\u5c11\u3057\u6df7\u4e71\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u3054\u5fc3\u914d\u306a\u304f\uff01\u5f0a\u793e\u306e<a href=\"https:\/\/www.questionpro.com\/margin-of-error-calculator\/\">\u8aa4\u5dee\u8a08\u7b97\u6a5f<\/a>\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><b>\u8aa4\u5dee\u8a08\u7b97\u306e\u4f8b<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u305f\u3068\u3048\u3070\u3001\u30d6\u30c9\u30a6\u5712\u3067\u884c\u308f\u308c\u308b\u30ef\u30a4\u30f3\u306e\u8a66\u98f2\u4f1a\u3067\u306f\u3001\u63d0\u4f9b\u3055\u308c\u308b\u30ef\u30a4\u30f3\u306e\u54c1\u8cea\u3068\u5473\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ef\u30a4\u30f3\u306f\u751f\u7523\u8005\u5168\u4f53\u3092\u4ee3\u8868\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u6765\u5834\u8005\u306e\u8a55\u4fa1\u6b21\u7b2c\u3067<span style=\"font-weight: 400;\">\u3001\u6765\u5834\u8005\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u304c\u751f\u7523\u8005\u5168\u4f53\u306b\u4e00\u822c\u5316\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u30ef\u30a4\u30f3\u306e\u30c6\u30a4\u30b9\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u6765\u5834\u8005\u304c\u30d1\u30bf\u30fc\u30f3\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u3064\u307e\u308a\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u3070\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u52b9\u679c\u7684\u3067\u3059\u3002\u30ef\u30a4\u30f3\u304c\u304a\u3044\u3057\u304f\u98f2\u3081\u308b\u3088\u3046\u306b\u306a\u308b\u306b\u306f\u3001\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u6e2c\u5b9a\u8981\u7d20\u306f\u3001\u30ef\u30a4\u30f3\u30dc\u30c8\u30eb\u304c\u30ef\u30a4\u30ca\u30ea\u30fc\u5168\u4f53\u306e\u751f\u7523\u91cf\u3092\u8868\u3059\u306b\u5024\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u8a3c\u660e\u3057\u307e\u3059\u3002\u7d71\u8a08\u5b66\u8005\u304c\u3001\u5b9f\u65bd\u3055\u308c\u305f\u8abf\u67fb\u306e\u8aa4\u5dee\u306f93\uff05\u306e\u4fe1\u983c\u533a\u9593\u3067\u30d7\u30e9\u30b9\u30de\u30a4\u30ca\u30b95\uff05\u3067\u3042\u308b\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d6\u30c9\u30a6\u5712\u306e\u8a2a\u554f\u8005\u306b100\u56de<\/span><span style=\"font-weight: 400;\">\u30a2\u30f3\u30b1\u30fc\u30c8<\/span><span style=\"font-weight: 400;\">\u3092\u5b9f\u65bd\u3057\u305f\u5834\u5408\u3001\u5bc4\u305b\u3089\u308c\u305f\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306f\u3001100\u56de\u4e2d93\u56de\u3092\u5360\u3081\u305f\u5272\u5408\u3088\u308a\u3082\u9ad8\u3044\u304b\u4f4e\u3044\u304b\u306e\u5272\u5408\u306e\u7bc4\u56f2\u5185\u306b\u53ce\u307e\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u5834\u5408\u300160\u4eba\u306e\u8a2a\u554f\u8005\u304c\u300c\u975e\u5e38\u306b\u7f8e\u5473\u3057\u304b\u3063\u305f\u300d\u3068\u7b54\u3048\u305f\u3068\u3057\u307e\u3059\u3002\u4fe1\u983c\u533a\u9593\u306e\u8aa4\u5dee\u306f\u30d7\u30e9\u30b9\u30de\u30a4\u30ca\u30b95%\u306793%\u3067\u3059\u304b\u3089\u3001100\u4eba\u306e\u8a2a\u554f\u8005\u306e\u3046\u3061\u3001\u300c\u975e\u5e38\u306b\u7f8e\u5473\u3057\u304b\u3063\u305f\u300d\u3068\u30b3\u30e1\u30f3\u30c8\u3059\u308b\u8a2a\u554f\u8005\u306f55\u4eba\u304b65\u4eba(93%)\u3068\u8003\u3048\u3066\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u3092\u3055\u3089\u306b\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u3001\u30dc\u30e9\u30f3\u30c6\u30a3\u30a2\u6d3b\u52d5\u306b\u95a2\u3059\u308b\u30a2\u30f3\u30b1\u30fc\u30c8\u30921000\u4eba\u306e\u56de\u7b54\u8005\u306b\u9001\u308a\u3001\u305d\u306e\u3046\u3061500\u4eba\u304c\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u300c\u30dc\u30e9\u30f3\u30c6\u30a3\u30a2\u6d3b\u52d5\u306f\u4eba\u751f\u3092\u3088\u308a\u826f\u3044\u3082\u306e\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u8a18\u8ff0\u306b\u540c\u610f\u3057\u305f\u5834\u5408\u3092\u4f8b\u306b\u3068\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4fe1\u983c\u5ea695%\u306e\u8aa4\u5dee\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>\u30b9\u30c6\u30c3\u30d7 1\uff1a<\/strong>\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u6587\u306b\u540c\u610f\u3057\u305f\u56de\u7b54\u8005\u306e\u6570\u3092\u56de\u7b54\u8005\u306e\u7dcf\u6570\u3067\u5272\u3063\u3066\u3001P-hat \u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001 <\/span><span style=\"font-weight: 400;\">= 500\/1000 = 50%<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>\u30b9\u30c6\u30c3\u30d7 2\uff1a<\/strong>95% \u4fe1\u983c\u6c34\u6e96\u306b\u5bfe\u5fdc\u3059\u308b z \u30b9\u30b3\u30a2\u3092\u6c42\u3081\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001z \u30b9\u30b3\u30a2\u306f 1.96 \u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>\u30b9\u30c6\u30c3\u30d7 3\uff1a<\/strong>\u8a08\u7b97\u5f0f\u306b\u3053\u308c\u3089\u306e\u5024\u3092\u5165\u308c\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>\u30b9\u30c6\u30c3\u30d7 4\uff1a<\/strong>\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u306b\u5909\u63db<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"746\" height=\"314\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/04\/Margin-or-error-and-z-value.jpg\" alt=\"image\" class=\"wp-image-56042\"\/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><b>\u6a19\u672c\u30b5\u30a4\u30ba\u306e\u8aa4\u5dee\uff1a<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\"><\/span> <a href=\"https:\/\/www.questionpro.com\/blog\/ja\/probability-sampling\/\"><span style=\"font-weight: 400;\">\u78ba\u7387\u62bd\u51fa<\/span><\/a><span style=\"font-weight: 400;\">\u3067\u306f\u3001\u6bcd\u96c6\u56e3\u306e\u5404\u30e1\u30f3\u30d0\u30fc\u306f\u3001\u6a19\u672c\u306e\u4e00\u90e8\u306b\u9078\u3070\u308c\u308b\u78ba\u7387\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u3084\u7d71\u8a08\u5b66\u8005\u306f\u3001\u3053\u308c\u3089\u306e\u6a19\u672c\u304b\u3089\u5f97\u3089\u308c\u305f\u30c7\u30fc\u30bf\u306e\u8aa4\u5dee\u304c\u3067\u304d\u308b\u3060\u3051\u5c0f\u3055\u304f\u306a\u308b\u3088\u3046\u306b\u3001\u8abf\u67fb\u5bfe\u8c61\u304b\u3089\u30e1\u30f3\u30d0\u30fc\u3092\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u975e\u78ba\u7387\u62bd\u51fa\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u306f\u8cbb\u7528\u5bfe\u52b9\u679c\u3084<\/span><a href=\"https:\/\/www.questionpro.com\/blog\/ja\/convenience-sampling\/\"><span style=\"font-weight: 400;\">\u4fbf\u5b9c<\/span><\/a><span style=\"font-weight: 400;\">\u306b\u57fa\u3065\u3044\u3066\u5f62\u6210\u3055\u308c\u3001\u7528\u9014\u306b\u57fa\u3065\u3044\u3066\u5f62\u6210\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30f3\u30b1\u30fc\u30c8\u306f\u3001\u5b9f\u65bd\u3055\u308c\u308b\u8abf\u67fb\u3078\u306e\u95a2\u5fc3\u3068\u9069\u7528\u306b\u5f93\u3063\u3066\u30e1\u30f3\u30d0\u30fc\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u304b\u3051\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u521d\u3081\u3066\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u4fe1\u983c\u30ec\u30d9\u30eb\u306e\u696d\u754c\u6a19\u6e96\u306f95\uff05\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u7279\u5b9a\u306e\u8abf\u67fb\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u8aa4\u5dee\u306e\u5272\u5408\u3067\u3059\uff1a<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"686\" height=\"674\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/04\/Margin-of-error-and-sample-size.jpg\" alt=\"Margin of error and sample size\" class=\"wp-image-56041\"\/><\/figure><\/div>\n\n\n<p><span style=\"font-weight: 400;\"> &nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u8868\u306b\u3042\u308b\u3088\u3046\u306b\u3001\u8aa4\u5dee\u3092\u534a\u5206\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u4f8b\u3048\u3070<\/span>4\u304b\u30892\u306b\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/www.questionpro.com\/blog\/ja\/determining-sample-size\/\">\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306e\u6c7a\u5b9a<\/a>\u3092500\u304b\u30892000\u306b\u5927\u5e45\u306b\u5897\u3084\u3057\u3066\u3044\u307e\u3059\u3002\u304a\u6c17\u3065\u304d\u306e\u3088\u3046\u306b\u3001\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306f\u305d\u308c\u306b\u53cd\u6bd4\u4f8b\u3057\u307e\u3059\u30021500\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u307e\u3067\u306f\u3001\u305d\u306e\u6e1b\u5c11\u304c\u9855\u8457\u3067\u3059\u304c\u3001<span style=\"font-weight: 400;\">\u305d\u308c\u4ee5\u4e0a\u306b\u306a\u308b\u3068\u3001\u3053\u306e\u6e1b\u5c11\u306f\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u3082\u3063\u3068\u5b66\u3076\uff1a<\/strong> <a href=\"https:\/\/www.questionpro.com\/blog\/ja\/survey-sampling\/\">\u8abf\u67fb\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/a><\/p>\n\n\n\n<p>\u3042\u306a\u305f\u306e\u8abf\u67fb\u3092\u6b21\u306e\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u308b\u6e96\u5099\u306f\u3067\u304d\u307e\u3057\u305f\u304b\uff1fQuestionPro\u306b\u53c2\u52a0\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u3092\u9a5a\u304f\u3079\u304d\u3082\u306e\u3078\u3068\u30ec\u30d9\u30eb\u30a2\u30c3\u30d7\u3055\u305b\u307e\u3057\u3087\u3046\uff01QuestionPro\u306e\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u3048\u3070\u3001\u3059\u3050\u306b\u30d7\u30ed\u7d1a\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3001\u9ad8\u5ea6\u306a\u30a2\u30ca\u30af\u30b9\u30ea\u30c6\u30a3\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c7\u30fc\u30bf\u53ce\u96c6\u306a\u3069\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u6b63\u78ba\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u304c\u63c3\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u697d\u3057\u307f\u3092\u304a\u898b\u9003\u3057\u306a\u304f\u3002\u4eca\u3059\u3050\u7121\u6599\u3067QuestionPro\u306b\u53c2\u52a0\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u9867\u5ba2\u3001\u5f93\u696d\u54e1\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u672c\u5f53\u306f\u3069\u3046\u601d\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u767a\u898b\u3057\u307e\u3057\u3087\u3046\u3002\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center\"><em><strong>\u3082\u3063\u3068\u5b66\u3076\uff1a<\/strong> <a href=\"https:\/\/www.questionpro.com\/blog\/ja\/level-of-analysis\/\">\u5206\u6790\u30ec\u30d9\u30eb<\/a><\/em><\/p>\n\n\n\n<p><p style=\"text-align: center;\"><a href=\"https:\/\/www.questionpro.com\/ja\/survey-software\/\" target=\"_blank\" rel=\"noopener\"><button>\u8a73\u7d30\u306f\u3053\u3061\u3089<\/button><\/a>&nbsp; &nbsp; &nbsp; &nbsp;<a href=\"https:\/\/questionpro.com\/a\/showEntry.do?lan=ja_JPN&#038;sourceRef=blog\" target=\"_blank\" rel=\"noopener\"><button>\u7121\u6599\u30b5\u30a4\u30f3\u30a2\u30c3\u30d7<\/button><\/a><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8aa4\u5dee\u306f\u3001\u8abf\u67fb\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4fe1\u983c\u6027\u3092\u7406\u89e3 [&hellip;]<\/p>\n","protected":false},"author":61,"featured_media":610556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1115],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8aa4\u5dee\uff1a\u5b9a\u7fa9\u3068\u4f8b\u306b\u3088\u308b\u7c21\u5358\u306a\u8a08\u7b97 | QuestionPro<\/title>\n<meta name=\"description\" content=\"\u8aa4\u5dee\u306e\u7bc4\u56f2\u3068\u306f - \u5b9a\u7fa9\u3001\u8a08\u7b97\u3001\u4f8b\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3059\u3002 \u8aa4\u5dee\u3068\u306f\u3001\u7d71\u8a08\u5b66\u3067\u306f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u3068\u3082\u547c\u3070\u308c\u3001\u8abf\u67fb\u304b\u3089\u5f97\u3089\u308c\u305f\u7d50\u679c\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u306e\u5ea6\u5408\u3044\u3092\u793a\u3059\u3082\u306e\u3067\u3042\u308b\u3002 \u7d71\u8a08\u5b66\u306b\u304a\u3051\u308b\u8aa4\u5dee\u304c\u5927\u304d\u3044\u3068\u3001\u8abf\u67fb\u3084\u4e16\u8ad6\u8abf\u67fb\u306e\u7d50\u679c\u3092\u4fe1\u983c\u3059\u308b\u53ef\u80fd\u6027\u304c\u4f4e\u304f\u306a\u308a\u3001\u6bcd\u96c6\u56e3\u3092\u4ee3\u8868\u3059\u308b\u7d50\u679c\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u5ea6\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002 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