{"id":5160,"date":"2026-10-12T18:30:00","date_gmt":"2026-10-12T11:30:00","guid":{"rendered":"https:\/\/dykhoa.com\/blog\/?post_type=thuat_ngu&amp;p=5145"},"modified":"2026-10-12T18:30:00","modified_gmt":"2026-10-12T11:30:00","slug":"nguy-bien-nhat-nho-cherry-picking-fallacy","status":"publish","type":"thuat_ngu","link":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/nguy-bien-nhat-nho-cherry-picking-fallacy\/","title":{"rendered":"Ng\u1ee5y bi\u1ec7n nh\u1eb7t nho (Cherry Picking Fallacy) l\u00e0 g\u00ec?"},"content":{"rendered":"<p><strong>Ng\u1ee5y bi\u1ec7n nh\u1eb7t nho (Cherry Picking \/ Fallacy of Incomplete Evidence)<\/strong> l\u00e0 l\u1ed7i logic ph\u1ed5 bi\u1ebfn trong tranh lu\u1eadn v\u00e0 truy\u1ec1n th\u00f4ng, trong \u0111\u00f3 m\u1ed9t ng\u01b0\u1eddi ch\u1ec9 ch\u1ecdn l\u1ecdc nh\u1eefng qu\u1ea3 nho ngon nh\u1ea5t tr\u00ean c\u00e2y (nh\u1eefng s\u1ed1 li\u1ec7u, tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t \u1ee7ng h\u1ed9 \u00fd ki\u1ebfn c\u1ee7a m\u00ecnh) v\u00e0 ph\u1edbt l\u1edd ho\u00e0n to\u00e0n nh\u1eefng qu\u1ea3 h\u1ecfng (to\u00e0n b\u1ed9 b\u1ee9c tranh d\u1eef li\u1ec7u t\u1ed5ng th\u1ec3 ch\u1ee9ng minh \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i).<\/p>\n<h2>B\u1ea3n ch\u1ea5t v\u00e0 \u0111\u1ecbnh ngh\u0129a h\u1ecdc thu\u1eadt<\/h2>\n<p>Trong ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn khoa h\u1ecdc, gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t k\u1ebft lu\u1eadn n\u1eb1m \u1edf vi\u1ec7c xem x\u00e9t to\u00e0n di\u1ec7n t\u1ed5ng th\u1ec3 c\u00e1c b\u1eb1ng ch\u1ee9ng c\u00f3 s\u1eb5n (Totality of Evidence). Ng\u1ee5y bi\u1ec7n nh\u1eb7t nho vi ph\u1ea1m nghi\u00eam tr\u1ecdng t\u00ednh li\u00eam ch\u00ednh nghi\u00ean c\u1ee9u b\u1eb1ng c\u00e1ch c\u00f4 l\u1eadp m\u1ed9t k\u1ebft qu\u1ea3 b\u1ea5t th\u01b0\u1eddng ho\u1eb7c m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn \u0111\u1ec3 t\u1ea1o ra \u1ea3o gi\u00e1c v\u1ec1 m\u1ed9t xu h\u01b0\u1edbng kh\u00f4ng c\u00f3 th\u1eadt.<\/p>\n<h2>B\u1ed1i c\u1ea3nh v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n<\/h2>\n<p>Ng\u1ee5y bi\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c c\u00e1c nh\u00f3m ph\u1ee7 nh\u1eadn bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu s\u1eed d\u1ee5ng tri\u1ec7t \u0111\u1ec3: H\u1ecd ch\u1ecdn m\u1ed9t n\u0103m c\u00f3 m\u00f9a \u0111\u00f4ng l\u1ea1nh k\u1ef7 l\u1ee5c t\u1ea1i m\u1ed9t v\u00f9ng c\u1ee5 th\u1ec3 \u0111\u1ec3 r\u00eau rao r\u1eb1ng &#8220;tr\u00e1i \u0111\u1ea5t kh\u00f4ng h\u1ec1 n\u00f3ng l\u00ean&#8221;, ph\u1edbt l\u1edd d\u1eef li\u1ec7u nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh to\u00e0n c\u1ea7u li\u00ean t\u1ee5c ph\u00e1 k\u1ef7 l\u1ee5c qua t\u1eebng th\u1eadp k\u1ef7. Trong ti\u1ebfp th\u1ecb, c\u00e1c nh\u00e3n h\u00e0ng th\u01b0\u1eddng nh\u1eb7t ra 3 kh\u00e1ch h\u00e0ng gi\u1ea3m c\u00e2n th\u00e0nh c\u00f4ng nh\u1ea5t \u0111\u1ec3 qu\u1ea3ng c\u00e1o, gi\u1ea5u nh\u1eb9m vi\u1ec7c 997 kh\u00e1ch h\u00e0ng c\u00f2n l\u1ea1i kh\u00f4ng c\u00f3 k\u1ebft qu\u1ea3.<\/p>\n<h2>V\u00ed d\u1ee5 minh ho\u1ea1 th\u1ef1c t\u1ebf<\/h2>\n<p>M\u1ed9t b\u00e0i vi\u1ebft tuy\u00ean b\u1ed1 &#8220;thu\u1ed1c l\u00e1 kh\u00f4ng g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe&#8221; b\u1eb1ng c\u00e1ch d\u1eabn ch\u1ee9ng: &#8220;\u00d4ng n\u1ed9i t\u00f4i h\u00fat thu\u1ed1c 2 g\u00f3i m\u1ed7i ng\u00e0y t\u1eeb n\u0103m 15 tu\u1ed5i m\u00e0 v\u1eabn s\u1ed1ng th\u1ecd \u0111\u1ebfn 95 tu\u1ed5i&#8221;, ph\u1edbt l\u1edd h\u00e0ng tri\u1ec7u nghi\u00ean c\u1ee9u d\u1ecbch t\u1ec5 h\u1ecdc ch\u1ee9ng minh h\u00fat thu\u1ed1c l\u00e0m gi\u1ea3m trung b\u00ecnh 10 n\u0103m tu\u1ed5i th\u1ecd.<\/p>\n<h2>Nh\u1eefng \u0111i\u1ec3m l\u01b0u \u00fd quan tr\u1ecdng<\/h2>\n<ul>\n<li>Kh\u00e1c bi\u1ec7t c\u0103n b\u1ea3n gi\u1eefa giai tho\u1ea1i c\u00e1 nh\u00e2n (Anecdote) v\u00e0 xu h\u01b0\u1edbng th\u1ed1ng k\u00ea (Statistical trend).<\/li>\n<li>Lu\u00f4n y\u00eau c\u1ea7u xem x\u00e9t c\u00e1c nghi\u00ean c\u1ee9u T\u1ed5ng quan h\u1ec7 th\u1ed1ng (Systematic Review) ho\u1eb7c Ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p (Meta-analysis) \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn to\u00e0n c\u1ea3nh.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>H\u00e0nh vi ch\u1ec9 l\u1ef1a ch\u1ecdn nh\u1eefng b\u1eb1ng ch\u1ee9ng, s\u1ed1 li\u1ec7u \u1ee7ng h\u1ed9 cho l\u1eadp lu\u1eadn c\u1ee7a m\u00ecnh trong khi c\u1ed1 t\u00ecnh ph\u1edbt l\u1edd ph\u1ea7n l\u1edbn c\u00e1c b\u1eb1ng ch\u1ee9ng m\u00e2u thu\u1eabn c\u00f2n l\u1ea1i.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","nhom_thuat_ngu":[474],"class_list":["post-5160","thuat_ngu","type-thuat_ngu","status-publish","hentry","nhom_thuat_ngu-thong-tin-sai-lech"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ng\u1ee5y bi\u1ec7n nh\u1eb7t nho (Cherry Picking Fallacy) l\u00e0 g\u00ec? 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