{"id":1485,"date":"2023-07-26T05:10:07","date_gmt":"2023-07-26T05:10:07","guid":{"rendered":"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/"},"modified":"2023-07-26T05:10:07","modified_gmt":"2023-07-26T05:10:07","slug":"kesalahan-standar-pengukuran","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/","title":{"rendered":"Kesalahan standar pengukuran: definisi &amp; contoh"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Kesalahan pengukuran standar<\/strong> , sering dilambangkan <strong>SE <sub>m<\/sub><\/strong> , memperkirakan variasi di sekitar skor &#8220;benar&#8221; untuk seorang individu ketika pengukuran berulang dilakukan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ini dihitung sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>SE <sub>m<\/sub><\/strong> = s\u221a <span style=\"border-top: 1px solid black;\">1-R<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>s:<\/strong> deviasi standar pengukuran<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>A:<\/strong> Koefisien reliabilitas suatu tes<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa <a href=\"https:\/\/statorials.org\/id\/analisis-keandalan\/\" target=\"_blank\" rel=\"noopener\">koefisien reliabilitas<\/a> berkisar antara 0 hingga 1 dan dihitung dengan memberikan tes kepada beberapa individu sebanyak dua kali dan menghitung korelasi antara nilai tes mereka.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Semakin tinggi koefisien reliabilitasnya, semakin sering suatu tes menghasilkan skor yang konsisten.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Perhitungan kesalahan standar pengukuran<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan seseorang mengikuti tes tertentu 10 kali selama seminggu yang bertujuan untuk mengukur kecerdasan secara keseluruhan pada skala 0 sampai 100. Dia menerima skor berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Peringkat:<\/strong> 88, 90, 91, 94, 86, 88, 84, 90, 90, 94<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rata-rata sampel adalah 89,5 dan standar deviasi sampel adalah 3,17.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika kita mengetahui bahwa tes tersebut memiliki koefisien reliabilitas 0,88, maka kita akan menghitung kesalahan standar pengukuran sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">SE <sub>m<\/sub> = s\u221a <span style=\"border-top: 1px solid black;\">1-R<\/span> = 3,17\u221a <span style=\"border-top: 1px solid black;\">1-0,88<\/span> = <strong>1,098<\/strong><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara menggunakan SE <sub>m<\/sub> untuk membuat interval kepercayaan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Dengan menggunakan kesalahan pengukuran standar, kita dapat membuat interval kepercayaan yang kemungkinan berisi skor &#8220;benar&#8221; seseorang pada tes tertentu dengan tingkat kepercayaan tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika seseorang mendapat nilai <em>x<\/em> pada suatu tes, kita dapat menggunakan rumus berikut untuk menghitung interval kepercayaan yang berbeda untuk skor tersebut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Interval kepercayaan 68% = [ <em>x<\/em> \u2013 SE <sub>m<\/sub> , <em>x<\/em> + SE <sub>m<\/sub> ]<\/span><\/li>\n<li> <span style=\"color: #000000;\">Interval kepercayaan 95% = [ <em>x<\/em> \u2013 2*SE <sub>m<\/sub> , <em>x<\/em> + 2*SE <sub>m<\/sub> ]<\/span><\/li>\n<li> <span style=\"color: #000000;\">Interval kepercayaan 99% = [ <em>x<\/em> \u2013 3*SE <sub>m<\/sub> , <em>x<\/em> + 3*SE <sub>m<\/sub> ]<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Misalnya, seseorang mendapat nilai 92 pada tes tertentu yang diketahui memiliki SE <sub>m<\/sub> 2,5. Kita dapat menghitung interval kepercayaan 95% sebagai:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Interval kepercayaan 95% = [92 \u2013 2*2.5, 92 + 2*2.5] = [87, 97]<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Artinya, kami <strong>yakin 95%<\/strong> bahwa skor &#8220;benar&#8221; seseorang pada tes ini adalah antara 87 dan 97.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Keandalan dan kesalahan standar pengukuran<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Ada hubungan sederhana antara koefisien reliabilitas suatu tes dan kesalahan standar pengukuran:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Semakin tinggi koefisien reliabilitas, semakin rendah kesalahan standar pengukurannya.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Semakin rendah koefisien reliabilitas, semakin tinggi kesalahan standar pengukurannya.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Untuk menggambarkan hal ini, bayangkan seorang individu yang mengerjakan tes sebanyak 10 kali dan mempunyai deviasi standar skor sebesar <strong>2<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika tes tersebut memiliki koefisien reliabilitas <strong>0,9<\/strong> , maka kesalahan standar pengukuran akan dihitung sebagai berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">SE <sub>m<\/sub> = s\u221a <span style=\"border-top: 1px solid black;\">1-R<\/span> = 2\u221a <span style=\"border-top: 1px solid black;\">1-.9<\/span> = <strong>0,632<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Namun, jika tes tersebut memiliki koefisien reliabilitas <strong>0,5<\/strong> , maka kesalahan standar pengukuran akan dihitung sebagai berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">SE <sub>m<\/sub> = s\u221a <span style=\"border-top: 1px solid black;\">1-R<\/span> = 2\u221a <span style=\"border-top: 1px solid black;\">1-.5<\/span> = <strong>1,414<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Hal ini seharusnya masuk akal secara intuitif: jika skor tes kurang dapat diandalkan, maka kesalahan dalam mengukur skor &#8220;sebenarnya&#8221; akan lebih tinggi.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kesalahan pengukuran standar , sering dilambangkan SE m , memperkirakan variasi di sekitar skor &#8220;benar&#8221; untuk seorang individu ketika pengukuran berulang dilakukan. Ini dihitung sebagai berikut: SE m = s\u221a 1-R Emas: s: deviasi standar pengukuran A: Koefisien reliabilitas suatu tes Perhatikan bahwa koefisien reliabilitas berkisar antara 0 hingga 1 dan dihitung dengan memberikan tes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kesalahan standar pengukuran: definisi dan contoh<\/title>\n<meta name=\"description\" content=\"Tutorial ini memberikan penjelasan tentang kesalahan standar pengukuran, termasuk definisi formal dan beberapa contoh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kesalahan standar pengukuran: definisi dan contoh\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini memberikan penjelasan tentang kesalahan standar pengukuran, termasuk definisi formal dan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T05:10:07+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/\",\"url\":\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/\",\"name\":\"Kesalahan standar pengukuran: definisi dan contoh\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-26T05:10:07+00:00\",\"dateModified\":\"2023-07-26T05:10:07+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini memberikan penjelasan tentang kesalahan standar pengukuran, termasuk definisi formal dan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/kesalahan-standar-pengukuran\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kesalahan standar pengukuran: definisi &amp; contoh\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. 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