{"id":5023,"date":"2026-10-12T08:00:00","date_gmt":"2026-10-12T01:00:00","guid":{"rendered":"https:\/\/dykhoa.com\/blog\/?post_type=thuat_ngu&amp;p=5023"},"modified":"2026-10-12T08:00:00","modified_gmt":"2026-10-12T01:00:00","slug":"sai-lam-loai-i-va-loai-ii-type-i-ii-errors","status":"publish","type":"thuat_ngu","link":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/","title":{"rendered":"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec?"},"content":{"rendered":"<h2>Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II l\u00e0 g\u00ec?<\/h2>\n<p>Trong ki\u1ec3m \u0111\u1ecbnh th\u1ed1ng k\u00ea c\u1ed5 \u0111i\u1ec3n Neyman &#8211; Pearson, hai sai l\u1ea7m n\u00e0y lu\u00f4n \u0111\u00e1nh \u0111\u1ed5i l\u1eabn nhau (Neyman &#038; Pearson, 1933; Field, 2013): Sai l\u1ea7m lo\u1ea1i I (Type I error &#8211; k\u00fd hi\u1ec7u \u03b1) t\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c k\u1ebft t\u1ed9i nh\u1ea7m m\u1ed9t ng\u01b0\u1eddi v\u00f4 t\u1ed9i (d\u01b0\u01a1ng t\u00ednh gi\u1ea3); Sai l\u1ea7m lo\u1ea1i II (Type II error &#8211; k\u00fd hi\u1ec7u \u03b2) t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tha b\u1ed5ng nh\u1ea7m m\u1ed9t k\u1ebb c\u00f3 t\u1ed9i (\u00e2m t\u00ednh gi\u1ea3).<\/p>\n<h2>\u00dd ngh\u0129a trong nghi\u00ean c\u1ee9u y sinh<\/h2>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u th\u01b0\u1eddng \u0111\u1eb7t ng\u01b0\u1ee1ng \u03b1 = 0.05 v\u00e0 l\u1ef1c th\u1ed1ng k\u00ea 1 &#8211; \u03b2 = 0.80 \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa nguy c\u01a1 tuy\u00ean b\u1ed1 sai l\u1ec7ch v\u1ec1 hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c v\u1edbi nguy c\u01a1 b\u1ecf s\u00f3t thu\u1ed1c ti\u1ec1m n\u0103ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sai l\u1ea7m lo\u1ea1i I (Alpha) l\u00e0 b\u00e1c b\u1ecf nh\u1ea7m m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u \u0111\u00fang (d\u01b0\u01a1ng t\u00ednh gi\u1ea3); trong khi sai l\u1ea7m lo\u1ea1i II (Beta) l\u00e0 kh\u00f4ng b\u00e1c b\u1ecf \u0111\u01b0\u1ee3c m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u sai (\u00e2m t\u00ednh gi\u1ea3).<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","nhom_thuat_ngu":[476],"class_list":["post-5023","thuat_ngu","type-thuat_ngu","status-publish","hentry","nhom_thuat_ngu-nghien-cuu-bang-chung"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog\" \/>\n<meta property=\"og:description\" content=\"Sai l\u1ea7m lo\u1ea1i I (Alpha) l\u00e0 b\u00e1c b\u1ecf nh\u1ea7m m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u \u0111\u00fang (d\u01b0\u01a1ng t\u00ednh gi\u1ea3); trong khi sai l\u1ea7m lo\u1ea1i II (Beta) l\u00e0 kh\u00f4ng b\u00e1c b\u1ecf \u0111\u01b0\u1ee3c m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u sai (\u00e2m t\u00ednh gi\u1ea3).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/\" \/>\n<meta property=\"og:site_name\" content=\"Dy Khoa Blog\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\\\/\",\"url\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\\\/\",\"name\":\"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/#website\"},\"datePublished\":\"2026-10-12T01:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Thu\u1eadt ng\u1eef\",\"item\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/thuat-ngu\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/\",\"name\":\"Dy Khoa Blog\",\"description\":\"Blog c\u1ee7a Dy Khoa v\u1ec1 truy\u1ec1n th\u00f4ng khoa h\u1ecdc, truy\u1ec1n th\u00f4ng s\u1ee9c kho\u1ebb v\u00e0 th\u1ef1c h\u00e0nh marcom.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/dykhoa.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\",\"alternateName\":\"Blog c\u1ee7a Dy Khoa\",\"publisher\":{\"@id\":\"https:\\\/\\\/dykhoa.com\\\/#person\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/dykhoa.com\\\/#person\",\"name\":\"Dy Khoa\",\"alternateName\":[\"Nguy\u1ec5n Ho\u00e0ng Anh Khoa\",\"Nguyen Hoang Anh Khoa\"],\"url\":\"https:\\\/\\\/dykhoa.com\\\/\",\"description\":\"Dy Khoa (Nguy\u1ec5n Ho\u00e0ng Anh Khoa), th\u1ea1c s\u0129 Truy\u1ec1n th\u00f4ng khoa h\u1ecdc v\u00e0 Thu h\u00fat c\u00f4ng ch\u00fang, gi\u1ea3ng vi\u00ean \u0111\u1ea1i h\u1ecdc, chuy\u00ean gia truy\u1ec1n th\u00f4ng.\",\"jobTitle\":[\"Gi\u1ea3ng vi\u00ean\",\"Chuy\u00ean gia Truy\u1ec1n th\u00f4ng\"],\"alumniOf\":{\"@type\":\"CollegeOrUniversity\",\"name\":\"Universiti Malaya\"},\"knowsAbout\":[\"Truy\u1ec1n th\u00f4ng khoa h\u1ecdc\",\"Truy\u1ec1n th\u00f4ng s\u1ee9c kho\u1ebb\",\"Truy\u1ec1n th\u00f4ng marketing t\u00edch h\u1ee3p (IMC)\",\"Quan h\u1ec7 c\u00f4ng ch\u00fang\",\"Truy\u1ec1n th\u00f4ng kh\u1ee7ng ho\u1ea3ng\"],\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/dykhoa\\\/\",\"https:\\\/\\\/www.instagram.com\\\/dykhoa\\\/\",\"https:\\\/\\\/facebook.com\\\/zykhoa\\\/\",\"https:\\\/\\\/www.researchgate.net\\\/profile\\\/Hoang-Anh-Khoa-Nguyen\",\"https:\\\/\\\/dykhoa.com\\\/blog\\\/dy-khoa-la-ai\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/","og_locale":"vi_VN","og_type":"article","og_title":"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog","og_description":"Sai l\u1ea7m lo\u1ea1i I (Alpha) l\u00e0 b\u00e1c b\u1ecf nh\u1ea7m m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u \u0111\u00fang (d\u01b0\u01a1ng t\u00ednh gi\u1ea3); trong khi sai l\u1ea7m lo\u1ea1i II (Beta) l\u00e0 kh\u00f4ng b\u00e1c b\u1ecf \u0111\u01b0\u1ee3c m\u1ed9t gi\u1ea3 thuy\u1ebft v\u00f4 hi\u1ec7u sai (\u00e2m t\u00ednh gi\u1ea3).","og_url":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/","og_site_name":"Dy Khoa Blog","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/","url":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/","name":"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec? - Dy Khoa Blog","isPartOf":{"@id":"https:\/\/dykhoa.com\/blog\/#website"},"datePublished":"2026-10-12T01:00:00+00:00","breadcrumb":{"@id":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/sai-lam-loai-i-va-loai-ii-type-i-ii-errors\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/dykhoa.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Thu\u1eadt ng\u1eef","item":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/"},{"@type":"ListItem","position":3,"name":"Sai l\u1ea7m lo\u1ea1i I v\u00e0 lo\u1ea1i II (Type I and Type II errors) l\u00e0 g\u00ec?"}]},{"@type":"WebSite","@id":"https:\/\/dykhoa.com\/blog\/#website","url":"https:\/\/dykhoa.com\/blog\/","name":"Dy Khoa Blog","description":"Blog c\u1ee7a Dy Khoa v\u1ec1 truy\u1ec1n th\u00f4ng khoa h\u1ecdc, truy\u1ec1n th\u00f4ng s\u1ee9c kho\u1ebb v\u00e0 th\u1ef1c h\u00e0nh marcom.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/dykhoa.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi","alternateName":"Blog c\u1ee7a Dy Khoa","publisher":{"@id":"https:\/\/dykhoa.com\/#person"}},{"@type":"Person","@id":"https:\/\/dykhoa.com\/#person","name":"Dy Khoa","alternateName":["Nguy\u1ec5n Ho\u00e0ng Anh Khoa","Nguyen Hoang Anh Khoa"],"url":"https:\/\/dykhoa.com\/","description":"Dy Khoa (Nguy\u1ec5n Ho\u00e0ng Anh Khoa), th\u1ea1c s\u0129 Truy\u1ec1n th\u00f4ng khoa h\u1ecdc v\u00e0 Thu h\u00fat c\u00f4ng ch\u00fang, gi\u1ea3ng vi\u00ean \u0111\u1ea1i h\u1ecdc, chuy\u00ean gia truy\u1ec1n th\u00f4ng.","jobTitle":["Gi\u1ea3ng vi\u00ean","Chuy\u00ean gia Truy\u1ec1n th\u00f4ng"],"alumniOf":{"@type":"CollegeOrUniversity","name":"Universiti Malaya"},"knowsAbout":["Truy\u1ec1n th\u00f4ng khoa h\u1ecdc","Truy\u1ec1n th\u00f4ng s\u1ee9c kho\u1ebb","Truy\u1ec1n th\u00f4ng marketing t\u00edch h\u1ee3p (IMC)","Quan h\u1ec7 c\u00f4ng ch\u00fang","Truy\u1ec1n th\u00f4ng kh\u1ee7ng ho\u1ea3ng"],"sameAs":["https:\/\/www.linkedin.com\/in\/dykhoa\/","https:\/\/www.instagram.com\/dykhoa\/","https:\/\/facebook.com\/zykhoa\/","https:\/\/www.researchgate.net\/profile\/Hoang-Anh-Khoa-Nguyen","https:\/\/dykhoa.com\/blog\/dy-khoa-la-ai\/"]}]}},"_links":{"self":[{"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/thuat_ngu\/5023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/thuat_ngu"}],"about":[{"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/types\/thuat_ngu"}],"author":[{"embeddable":true,"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/thuat_ngu\/5023\/revisions"}],"wp:attachment":[{"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/media?parent=5023"}],"wp:term":[{"taxonomy":"nhom_thuat_ngu","embeddable":true,"href":"https:\/\/dykhoa.com\/blog\/wp-json\/wp\/v2\/nhom_thuat_ngu?post=5023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}