{"id":55906,"date":"2026-09-23T02:17:11","date_gmt":"2026-09-23T02:17:11","guid":{"rendered":"https:\/\/intage.com.vn\/ky-thuat-chon-mau-sampling-sao-cho-phan-anh-dung-thi-truong\/"},"modified":"2026-09-23T02:17:17","modified_gmt":"2026-09-23T02:17:17","slug":"ky-thuat-chon-mau-sampling-sao-cho-phan-anh-dung-thi-truong","status":"publish","type":"post","link":"https:\/\/intage.com.vn\/vi\/ky-thuat-chon-mau-sampling-sao-cho-phan-anh-dung-thi-truong\/","title":{"rendered":"K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu (Sampling) sao cho ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ecb tr\u01b0\u1eddng"},"content":{"rendered":"<h2>K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu (Sampling) trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/h2>\n<p>K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng, gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau. Vi\u1ec7c ch\u1ecdn m\u1eabu \u0111\u00fang c\u00e1ch kh\u00f4ng ch\u1ec9 mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c trong k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u00e0 c\u00f2n gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1ch th\u1ee9c ti\u1ebfp c\u1eadn v\u00e0 chi\u1ebfn l\u01b0\u1ee3c kinh doanh hi\u1ec7u qu\u1ea3. Trong b\u1ed1i c\u1ea3nh c\u1ea1nh tranh ng\u00e0y c\u00e0ng cao, vi\u1ec7c c\u00f3 m\u1ed9t h\u00ecnh \u1ea3nh ch\u00ednh x\u00e1c v\u1ec1 nhu c\u1ea7u v\u00e0 h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng l\u00e0 c\u1ef1c k\u1ef3 c\u1ea7n thi\u1ebft.<\/p>\n<h2>T\u1ea1i sao vi\u1ec7c ch\u1ecdn m\u1eabu \u0111\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng?<\/h2>\n<p>Ch\u1ecdn m\u1eabu \u0111\u00fang l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u nghi\u00ean c\u1ee9u kh\u00f4ng b\u1ecb thi\u00ean l\u1ec7ch v\u00e0 ph\u1ea3n \u00e1nh \u0111\u00fang s\u1ef1 \u0111a d\u1ea1ng trong h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea5t k\u1ef3 s\u1ef1 thi\u1ebfu s\u00f3t n\u00e0o trong quy tr\u00ecnh ch\u1ecdn m\u1eabu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng k\u1ebft lu\u1eadn kh\u00f4ng ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c quy\u1ebft \u0111\u1ecbnh kinh doanh.<\/p>\n<p>Ngo\u00e0i ra, m\u1ed9t m\u1eabu \u0111\u1ea1i di\u1ec7n s\u1ebd gi\u00fap t\u1ed5 ch\u1ee9c ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed, v\u00ec qu\u00e1 tr\u00ecnh thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu m\u1eabu kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh sai l\u1ea7m nghi\u00eam tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn chi\u1ebfn l\u01b0\u1ee3c v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a doanh nghi\u1ec7p.<\/p>\n<h2>K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu ph\u1ed5 bi\u1ebfn trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/h2>\n<h3>Ch\u1ecdn m\u1eabu ng\u1eabu nhi\u00ean (Random Sampling)<\/h3>\n<p>Ch\u1ecdn m\u1eabu ng\u1eabu nhi\u00ean l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 trong \u0111\u00f3 m\u1ed7i th\u00e0nh vi\u00ean c\u1ee7a t\u1ed5ng th\u1ec3 c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c ch\u1ecdn nh\u01b0 nhau. \u0110\u00e2y l\u00e0 c\u00e1ch th\u1ee9c \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t v\u00ec n\u00f3 gi\u00fap lo\u1ea1i b\u1ecf s\u1ef1 thi\u00ean l\u1ec7ch v\u00e0 mang l\u1ea1i t\u00ednh \u0111\u1ea1i di\u1ec7n cao cho m\u1eabu. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c th\u1ef1c hi\u1ec7n n\u1ebfu t\u1ed5ng th\u1ec3 r\u1ea5t l\u1edbn v\u00e0 kh\u00f4ng d\u1ec5 d\u00e0ng \u0111\u1ec3 truy c\u1eadp.<\/p>\n<h3>Ch\u1ecdn m\u1eabu c\u00f3 ch\u1ee7 \u0111\u00edch (Purposive Sampling)<\/h3>\n<p>Ch\u1ecdn m\u1eabu c\u00f3 ch\u1ee7 \u0111\u00edch l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 ng\u01b0\u1eddi nghi\u00ean c\u1ee9u ch\u1ecdn ra nh\u1eefng th\u00e0nh vi\u00ean c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed nh\u1ea5t \u0111\u1ecbnh. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c nghi\u00ean c\u1ee9u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 m\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u mu\u1ed1n t\u1eadp trung v\u00e0o. D\u00f9 kh\u1ea3 n\u0103ng hi\u1ec7n \u0111\u1ea1i v\u1ea5n \u0111\u1ec1 nghi\u00ean c\u1ee9u, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 th\u1ecb tr\u01b0\u1eddng.<\/p>\n<h3>Ch\u1ecdn m\u1eabu ph\u00e2n t\u1ea7ng (Stratified Sampling)<\/h3>\n<p>Ch\u1ecdn m\u1eabu ph\u00e2n t\u1ea7ng l\u00e0 qu\u00e1 tr\u00ecnh chia t\u1ed5ng th\u1ec3 th\u00e0nh c\u00e1c nh\u00f3m kh\u00e1c nhau (strata) v\u00e0 sau \u0111\u00f3 ch\u1ecdn m\u1eabu ng\u1eabu nhi\u00ean t\u1eeb m\u1ed7i nh\u00f3m. C\u00e1ch l\u00e0m n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1i nh\u00ecn t\u1eeb t\u1eebng nh\u00f3m \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u00e2n t\u00edch, t\u1eeb \u0111\u00f3 s\u1ea3n ph\u1ea9m c\u1ee7a th\u1ecb tr\u01b0\u1eddng s\u1ebd c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong vi\u1ec7c ph\u1ea3n \u00e1nh th\u1ef1c tr\u1ea1ng.<\/p>\n<h3>Ch\u1ecdn m\u1eabu c\u1ee5m (Cluster Sampling)<\/h3>\n<p>Ch\u1ecdn m\u1eabu c\u1ee5m li\u00ean quan \u0111\u1ebfn vi\u1ec7c chia t\u1ed5ng th\u1ec3 th\u00e0nh c\u00e1c c\u1ee5m v\u00e0 ch\u1ecdn m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 c\u1ee5m \u0111\u1ec3 nghi\u00ean c\u1ee9u. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi kh\u00f4ng th\u1ec3 truy c\u1eadp to\u00e0n b\u1ed9 t\u1ed5ng th\u1ec3, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ea1i di\u1ec7n n\u1ebfu c\u1ee5m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 k\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau?<\/h2>\n<p>Khi ch\u1ecdn m\u1eabu, nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea7n ph\u1ea3i c\u00e2n nh\u1eafc \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1eabu ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u1ecb tr\u01b0\u1eddng. \u0110\u1ea7u ti\u00ean, c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5 \u0111\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u v\u00e0 c\u00e1c ti\u00eau ch\u00ed m\u00e0 m\u1eabu ph\u1ea3i \u0111\u00e1p \u1ee9ng. Ti\u1ebfp theo, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi t\u00ednh ch\u1ea5t c\u1ee7a th\u1ecb tr\u01b0\u1eddng s\u1ebd gi\u00fap d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c h\u01a1n. H\u01a1n n\u1eefa, c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ebfn c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n kh\u1ea3o s\u00e1t \u0111\u1ec3 kh\u00f4ng l\u00e0m sai l\u1ec7ch th\u00f4ng tin. M\u1ed9t kh\u1ea3o s\u00e1t qua \u0111i\u1ec7n tho\u1ea1i s\u1ebd cho k\u1ebft qu\u1ea3 kh\u00e1c so v\u1edbi kh\u1ea3o s\u00e1t tr\u1ef1c tuy\u1ebfn hay ph\u1ecfng v\u1ea5n tr\u1ef1c ti\u1ebfp.<\/p>\n<h2>X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc m\u1eabu th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea1i di\u1ec7n<\/h2>\n<p>K\u00edch th\u01b0\u1edbc m\u1eabu l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00f4ng th\u1ec3 b\u1ecf qua trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng. K\u00edch th\u01b0\u1edbc m\u1eabu qu\u00e1 nh\u1ecf c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o ra c\u00e1c k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c, trong khi k\u00edch th\u01b0\u1edbc m\u1eabu qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 l\u00e3ng ph\u00ed v\u1ec1 th\u1eddi gian v\u00e0 chi ph\u00ed. Th\u00f4ng th\u01b0\u1eddng, k\u00edch th\u01b0\u1edbc m\u1eabu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean \u0111\u1ed9 tin c\u1eady mong mu\u1ed1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft c\u1ee7a k\u1ebft qu\u1ea3. \u0110\u1ec3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc m\u1eabu, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng th\u1ee9c th\u1ed1ng k\u00ea ho\u1eb7c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3.<\/p>\n<h2>C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi ch\u1ecdn m\u1eabu v\u00e0 c\u00e1ch tr\u00e1nh sai s\u00f3t<\/h2>\n<p>C\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh ch\u1ecdn m\u1eabu bao g\u1ed3m:<\/p>\n<ul>\n<li>C\u00f3 th\u1ec3 b\u1ecb thi\u00ean l\u1ec7ch trong l\u1ef1a ch\u1ecdn m\u1eabu.<\/li>\n<li>Kh\u00f4ng \u0111\u1ee7 k\u00edch th\u01b0\u1edbc m\u1eabu.<\/li>\n<li>Kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u0111\u1ea1i di\u1ec7n cho t\u1ed5ng th\u1ec3.<\/li>\n<li>Thi\u1ebfu s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn s\u1ef1 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a t\u1eebng nh\u00f3m trong t\u1ed5ng th\u1ec3.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 tr\u00e1nh nh\u1eefng sai s\u00f3t n\u00e0y, nghi\u00ean c\u1ee9u c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t k\u1ebf ho\u1ea1ch ch\u1ecdn m\u1eabu r\u00f5 r\u00e0ng, s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 x\u00e1c nh\u1eadn s\u1ef1 \u0111\u1ea1i di\u1ec7n c\u1ee7a m\u1eabu tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thu th\u1eadp d\u1eef li\u1ec7u.<\/p>\n<h2>\u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu \u0111\u1ebfn k\u1ebft qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/h2>\n<p>K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu c\u00f3 t\u00e1c \u0111\u1ed9ng r\u1ea5t l\u1edbn \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u. M\u1ed9t m\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n s\u1ebd d\u1eabn \u0111\u1ebfn nh\u1eefng k\u1ebft qu\u1ea3 sai l\u1ec7ch, t\u1eeb \u0111\u00f3 g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh kinh doanh \u0111\u00fang \u0111\u1eafn. Nh\u00e0 qu\u1ea3n l\u00fd c\u1ea7n hi\u1ec3u r\u1eb1ng d\u1eef li\u1ec7u nghi\u00ean c\u1ee9u l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 x\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c trong t\u01b0\u01a1ng lai. N\u1ebfu kh\u00f4ng th\u1eadn tr\u1ecdng trong kh\u00e2u ch\u1ecdn m\u1eabu, doanh nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh sai l\u1ea7m, \u1ea3nh h\u01b0\u1edfng kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u00ecnh h\u00ecnh t\u00e0i ch\u00ednh m\u00e0 c\u00f2n v\u1ec1 l\u00f2ng tin c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u1ed1i v\u1edbi th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n<h2>K\u1ebft lu\u1eadn: T\u1ed5ng h\u1ee3p c\u00e1c l\u01b0u \u00fd quan tr\u1ecdng khi ch\u1ecdn m\u1eabu trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng<\/h2>\n<p>Ch\u1ecdn m\u1eabu l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quan tr\u1ecdng trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng, \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3. B\u00e0i vi\u1ebft \u0111\u00e3 t\u1ed5ng h\u1ee3p nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn m\u1eabu ph\u1ed5 bi\u1ebfn, c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi ch\u1ecdn m\u1eabu, c\u00e1ch x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc m\u1eabu v\u00e0 nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p m\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea7n l\u01b0u \u00fd. \u0110\u1ec3 g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 nghi\u00ean c\u1ee9u, \u0111\u00f2i h\u1ecfi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea7n c\u00f3 s\u1ef1 chu\u1ea9n b\u1ecb, l\u1eadp k\u1ebf ho\u1ea1ch chi ti\u1ebft v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau.<\/p>\n<p> Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n nghi\u00ean c\u1ee9u!<br \/>\n<\/br>Intage Vietnam: Gi\u1ea3i ph\u00e1p nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng to\u00e0n di\u1ec7n v\u00e0 hi\u1ec7u qu\u1ea3 cho doanh nghi\u1ec7p.<br \/>\n<\/br>\ud83d\udcde (+8428) 3820 5558<br \/>\n<\/br>\ud83c\udf10 https:\/\/intage.com.vn\/<br \/>\n<\/br>\ud83c\udfe2 1st floor, Citilight Tower, 45 Vo Thi Sau St., Tan Dinh Ward, HCMC<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;right&quot;,&quot;id&quot;:&quot;55906&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu (Sampling) sao cho ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ecb tr\u01b0\u1eddng&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Rate this post<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu (Sampling) trong nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng, gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau. Vi\u1ec7c ch\u1ecdn m\u1eabu \u0111\u00fang c\u00e1ch kh\u00f4ng ch\u1ec9 mang l\u1ea1i [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":55904,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu (Sampling) sao cho ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ecb tr\u01b0\u1eddng","rank_math_description":"K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ecb tr\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u nghi\u00ean c\u1ee9u c\u00f3 t\u00ednh \u0111\u1ea1i di\u1ec7n cao.","rank_math_focus_keyword":"K\u1ef9 thu\u1eadt ch\u1ecdn m\u1eabu","footnotes":""},"categories":[1118,1113],"tags":[],"class_list":["post-55906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intage-vn","category-tin-tuc-moi"],"wpml_current_locale":"vi_VN","wpml_translations":[],"_links":{"self":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/55906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=55906"}],"version-history":[{"count":2,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/55906\/revisions"}],"predecessor-version":[{"id":55908,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/posts\/55906\/revisions\/55908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/media\/55904"}],"wp:attachment":[{"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=55906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=55906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/intage.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=55906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}