{"id":25985,"date":"2023-12-07T02:18:44","date_gmt":"2023-12-07T02:18:44","guid":{"rendered":"https:\/\/masterskills.org\/blog\/chon-mau-nhieu-giai-doan-multi-stage-sampling-trong-thong-ke-la-gi.html"},"modified":"2023-12-22T11:24:20","modified_gmt":"2023-12-22T04:24:20","slug":"chon-mau-nhieu-giai-doan-multi-stage-sampling-trong-thong-ke-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/chon-mau-nhieu-giai-doan-multi-stage-sampling-trong-thong-ke-la-gi.html","title":{"rendered":"Ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n (Multi-stage sampling) trong th\u1ed1ng k\u00ea l\u00e0 g\u00ec?"},"content":{"rendered":"
\n
\n
<\/div>\n
\n

H\u00ecnh minh h\u1ecda. Ngu\u1ed3n: research-methodology<\/p>\n<\/div>\n<\/div>\n

Ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m\u00a0<\/b><\/p>\n

Ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n<\/b> trong ti\u1ebfng Anh l\u00e0\u00a0multi-stage sampling<\/b>.<\/p>\n

Ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n<\/i> hay c\u00f2n g\u1ecdi l\u00e0 ch\u1ecdn m\u1eabu nhi\u1ec1u c\u1ea5p, l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed5 ch\u1ee9c ch\u1ecdn m\u1eabu ph\u1ea3i th\u00f4ng qua \u00edt nh\u1ea5t hai giai \u0111o\u1ea1n (c\u1ea5p) ch\u1ecdn trung gian. \u0110\u1ea7u ti\u00ean x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u01a1n v\u1ecb m\u1eabu c\u1ea5p 1 sau \u0111\u00f3 c\u00e1c \u0111\u01a1n v\u1ecb m\u1eabu c\u1ea5p 1 l\u1ea1i \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ecdn m\u1eabu c\u1ea5p 2 v\u00e0 c\u1ee9 nh\u01b0 th\u1ebf cho \u0111\u1ebfn c\u1ea5p cu\u1ed1i c\u00f9ng.<\/p>\n

Trong m\u1ed7i c\u1ea5p c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c c\u00e1ch ch\u1ecdn m\u1eabu ng\u1eabu nhi\u00ean \u0111\u01a1n gi\u1ea3n, ch\u1ecdn m\u1eabu h\u1ec7 th\u1ed1ng, ch\u1ecdn m\u1eabu ph\u00e2n t\u1ea7ng, ch\u1ecdn m\u1eabu c\u1ea3 kh\u1ed1i \u0111\u1ec3 ch\u1ecdn ra c\u00e1c \u0111\u01a1n v\u1ecb m\u1eabu.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y thu\u1eadn l\u1ee3i cho vi\u1ec7c t\u1ed5 ch\u1ee9c v\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c \u0111\u01a1n v\u1ecb c\u1ee7a t\u1ed5ng th\u1ec3 ph\u00e2n t\u00e1n qu\u00e1 r\u1ed9ng v\u00e0 thi\u1ebfu th\u00f4ng tin v\u1ec1 t\u1ed5ng th\u1ec3.\u00a0<\/p>\n

V\u00ed d\u1ee5\u00a0<\/font><\/h3>\n

Ch\u1eb3ng h\u1ea1n trong th\u1ef1c t\u1ebf \u1edf Vi\u1ec7t Nam, ch\u00fang ta ti\u1ebfn h\u00e0nh \u0111i\u1ec1u tra n\u1ed9i dung n\u00e0o \u0111\u00f3 li\u00ean quan \u0111\u1ebfn doanh nghi\u1ec7p; c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5 ch\u1ee9c ch\u1ecdn m\u1eabu nhi\u1ec1u c\u1ea5p, c\u00f3 th\u1ec3 coi m\u1ed7i t\u1ec9nh\/th\u00e0nh ph\u1ed1 l\u00e0 \u0111\u01a1n v\u1ecb ch\u1ecdn m\u1eabu c\u1ea5p 1, ch\u00fang ta ti\u1ebfn h\u00e0nh ch\u1ecdn ra m\u1ed9t s\u1ed1 t\u1ec9nh, sau \u0111\u00f3 x\u00e1c \u0111\u1ecbnh \u0111\u01a1n v\u1ecb ch\u1ecdn m\u1eabu c\u1ea5p 2 (c\u1ea5p huy\u1ec7n) sau \u0111\u00f3 ch\u1ecdn ra m\u1ed9t s\u1ed1 huy\u1ec7n trong c\u00e1c t\u1ec9nh \u0111\u01b0\u1ee3c ch\u1ecdn, c\u1ee9 ti\u1ebfp t\u1ee5c nh\u01b0 v\u1eady cho t\u1edbi c\u1ea5p cu\u1ed1i c\u00f9ng,… t\u1eeb \u0111\u00f3 ch\u1ecdn ra s\u1ed1 doanh nghi\u1ec7p \u0111\u1ec3 ti\u1ebfn h\u00e0nh n\u1ed9i dung \u0111i\u1ec1u tra.<\/p>\n

V\u00ed d\u1ee5: Mu\u1ed1n ch\u1ecdn ng\u1eabu nhi\u00ean 50 h\u1ed9 t\u1eeb m\u1ed9t th\u00e0nh ph\u1ed1 c\u00f3 10 khu ph\u1ed1, m\u1ed7i khu ph\u1ed1 c\u00f3 50 h\u1ed9. C\u00e1ch ti\u1ebfn h\u00e0nh nh\u01b0 sau : Tr\u01b0\u1edbc ti\u00ean \u0111\u00e1nh s\u1ed1 th\u1ee9 t\u1ef1 c\u00e1c khu ph\u1ed1 t\u1eeb 1 \u0111\u1ebfn 10, ch\u1ecdn ng\u1eabu nhi\u00ean trong \u0111\u00f3 5 khu ph\u1ed1. \u0110\u00e1nh s\u1ed1 th\u1ee9 t\u1ef1 c\u00e1c h\u1ed9 trong t\u1eebng khu ph\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn. Ch\u1ecdn ng\u1eabu nhi\u00ean ra 10 h\u1ed9 trong m\u1ed7i khu ph\u1ed1 ta s\u1ebd c\u00f3 \u0111\u1ee7 m\u1eabu c\u1ea7n thi\u1ebft.<\/p>\n

\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n<\/font><\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5 ch\u1ee9c ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1eadp d\u00e0n ch\u1ecdn m\u1eabu v\u00e0 t\u1ed5 ch\u1ee9c \u0111i\u1ec1u tra: \u1edf c\u1ea5p sau ch\u1ec9 ph\u1ea3i l\u1eadp d\u00e0n ch\u1ecdn m\u1eabu cho c\u1ea5p \u0111\u00f3 trong ph\u1ea1m vi m\u1eabu c\u1ea5p tr\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ecdn m\u1eabu, ph\u1ea1m vi \u0111i\u1ec1u tra \u0111\u01b0\u1ee3c thu h\u1eb9p l\u1ea1i sau m\u1ed7i c\u1ea5p \u0111i\u1ec1u tra.<\/p>\n

– \u01afu \u0111i\u1ec3m:\u00a0C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong \u0111i\u1ec1u tra ph\u1ea1m vi r\u1ed9ng, ph\u00e2n t\u00e1n, kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c danh s\u00e1ch c\u00e1c \u0111\u01a1n v\u1ecb nghi\u00ean c\u1ee9u; Khung m\u1eabu \u0111\u01a1n gi\u1ea3n, d\u1ec5 l\u1eadp; \u0110i\u1ec1u tra d\u1ec5, nhanh v\u00ec \u0111\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i; N\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng gi\u00e1m s\u00e1t v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ed1 li\u1ec7u; Ti\u1ebft ki\u1ec7m kinh ph\u00ed, th\u1eddi gian.<\/p>\n

– Nh\u01b0\u1ee3c \u0111i\u1ec3m:\u00a0T\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea1i di\u1ec7n th\u1ea5p; C\u1ea7n s\u1ed1 ch\u00f9m\/c\u1ee5m l\u1edbn.<\/p>\n

Trong th\u1ef1c t\u1ebf, t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed5 ch\u1ee9c ch\u1ecdn m\u1eabu v\u1edbi nhau, ch\u1eb3ng h\u1ea1n ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n k\u1ebft h\u1ee3p v\u1edbi ch\u1ecdn m\u1eabu c\u1ea3 kh\u1ed1i,…<\/p>\n

(Theo Gi\u00e1o tr\u00ecnh Th\u1ed1ng k\u00ea doanh nghi\u1ec7p, NXB \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf qu\u1ed1c d\u00e2n<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Ch\u1ecdn m\u1eabu nhi\u1ec1u giai \u0111o\u1ea1n (ti\u1ebfng Anh: Multi-stage sampling) th\u01b0\u1eddng s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c \u0111\u01a1n v\u1ecb c\u1ee7a t\u1ed5ng th\u1ec3 ph\u00e2n t\u00e1n qu\u00e1 r\u1ed9ng v\u00e0 thi\u1ebfu th\u00f4ng tin v\u1ec1 t\u1ed5ng th\u1ec3.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25985"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=25985"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25985\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}