{"id":82857,"date":"2023-07-07T06:45:29","date_gmt":"2023-07-07T10:45:29","guid":{"rendered":"https:\/\/ideascale.com\/viblog\/dinh-tinh-nghien-cuu-thiet-ke\/"},"modified":"2024-06-19T07:03:19","modified_gmt":"2024-06-19T11:03:19","slug":"dinh-tinh-nghien-cuu-thiet-ke","status":"publish","type":"post","link":"https:\/\/ideascale.com\/vi\/viblog\/dinh-tinh-nghien-cuu-thiet-ke\/","title":{"rendered":"Thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, lo\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t"},"content":{"rendered":"
M\u1ee5c l\u1ee5c<\/b><\/strong><\/p>\n<\/div> Thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o vi\u1ec7c kh\u00e1m ph\u00e1 v\u00e0 hi\u1ec3u c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p c\u0169ng nh\u01b0 \u00fd ngh\u0129a c\u1ee7a c\u00e1c c\u00e1 nh\u00e2n ho\u1eb7c nh\u00f3m do ch\u00fang g\u00e2y ra. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khoa h\u1ecdc x\u00e3 h\u1ed9i, t\u00e2m l\u00fd h\u1ecdc, nh\u00e2n ch\u1ee7ng h\u1ecdc v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c n\u01a1i nh\u1eefng tr\u1ea3i nghi\u1ec7m v\u00e0 di\u1ec5n gi\u1ea3i ch\u1ee7 quan \u0111\u01b0\u1ee3c quan t\u00e2m.<\/span><\/p>\n Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> li\u00ean quan \u0111\u1ebfn vi\u1ec7c n\u1eafm b\u1eaft s\u1ef1 phong ph\u00fa v\u00e0 s\u00e2u s\u1eafc c\u1ee7a kinh nghi\u1ec7m, ni\u1ec1m tin, th\u00e1i \u0111\u1ed9 v\u00e0 h\u00e0nh vi c\u1ee7a con ng\u01b0\u1eddi. N\u00f3 nh\u1eb1m m\u1ee5c \u0111\u00edch v\u01b0\u1ee3t xa nh\u1eefng ph\u00e2n t\u00edch th\u1ed1ng k\u00ea \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00e1m ph\u00e1 nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc m\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> c\u00f3 th\u1ec3 kh\u00f4ng n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c.<\/span><\/p>\n Thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 ph\u1ecfng v\u1ea5n, quan s\u00e1t, nh\u00f3m t\u1eadp trung<\/a> v\u00e0 ph\u00e2n t\u00edch t\u00e0i li\u1ec7u ho\u1eb7c hi\u1ec7n v\u1eadt. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u thu th\u1eadp th\u00f4ng tin m\u00f4 t\u1ea3 chi ti\u1ebft v\u1ec1 quan \u0111i\u1ec3m, kinh nghi\u1ec7m v\u00e0 b\u1ed1i c\u1ea3nh c\u1ee7a ng\u01b0\u1eddi tham gia.<\/span><\/p>\n C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh bao g\u1ed3m:<\/b><\/p>\n C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh, m\u1ed7i lo\u1ea1i c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 m\u1ee5c \u0111\u00edch ri\u00eang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n Thi\u1ebft k\u1ebf n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch hi\u1ec3u b\u1ea3n ch\u1ea5t v\u00e0 \u00fd ngh\u0129a c\u1ee7a tr\u1ea3i nghi\u1ec7m c\u1ee7a con ng\u01b0\u1eddi li\u00ean quan \u0111\u1ebfn m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng c\u1ee5 th\u1ec3. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1m ph\u00e1 tr\u1ea3i nghi\u1ec7m ch\u1ee7 quan c\u1ee7a ng\u01b0\u1eddi tham gia th\u00f4ng qua c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n ho\u1eb7c quan s\u00e1t chuy\u00ean s\u00e2u \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c c\u1ea5u tr\u00fac v\u00e0 m\u00f4 h\u00ecnh c\u01a1 b\u1ea3n trong tr\u1ea3i nghi\u1ec7m s\u1ed1ng c\u1ee7a h\u1ecd.<\/span><\/p>\n D\u00e2n t\u1ed9c h\u1ecdc li\u00ean quan \u0111\u1ebfn vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 hi\u1ec3u v\u0103n h\u00f3a, t\u00edn ng\u01b0\u1ee1ng, t\u1eadp qu\u00e1n v\u00e0 t\u01b0\u01a1ng t\u00e1c x\u00e3 h\u1ed9i c\u1ee7a m\u1ed9t nh\u00f3m ho\u1eb7c c\u1ed9ng \u0111\u1ed3ng c\u1ee5 th\u1ec3. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u h\u00f2a m\u00ecnh v\u00e0o m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi tham gia trong m\u1ed9t th\u1eddi gian d\u00e0i, th\u01b0\u1eddng ti\u1ebfn h\u00e0nh quan s\u00e1t, ph\u1ecfng v\u1ea5n v\u00e0 ph\u00e2n t\u00edch t\u00e0i li\u1ec7u c\u1ee7a ng\u01b0\u1eddi tham gia \u0111\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 v\u0103n h\u00f3a.<\/span><\/p>\n L\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9 l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn trong \u0111\u00f3 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u1eb1m m\u1ee5c \u0111\u00edch ph\u00e1t tri\u1ec3n c\u00e1c l\u00fd thuy\u1ebft ho\u1eb7c khung kh\u00e1i ni\u1ec7m d\u1ef1a tr\u00ean d\u1eef li\u1ec7u. Th\u00f4ng qua vi\u1ec7c so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch li\u00ean t\u1ee5c c\u00e1c d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c danh m\u1ee5c, kh\u00e1i ni\u1ec7m v\u00e0 m\u1ed1i quan h\u1ec7 \u0111\u1ec3 \u0111\u01b0a ra l\u00fd thuy\u1ebft gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/span><\/p>\n Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh li\u00ean quan \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra chuy\u00ean s\u00e2u v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n, nh\u00f3m, t\u1ed5 ch\u1ee9c ho\u1eb7c b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u thu th\u1eadp nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u nh\u01b0 ph\u1ecfng v\u1ea5n, quan s\u00e1t v\u00e0 t\u00e0i li\u1ec7u \u0111\u1ec3 cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 v\u1ee5 vi\u1ec7c v\u00e0 r\u00fat ra nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc c\u00f3 th\u1ec3 c\u00f3 \u00fd ngh\u0129a r\u1ed9ng h\u01a1n.<\/span><\/p>\n Nghi\u00ean c\u1ee9u t\u01b0\u1eddng thu\u1eadt t\u1eadp trung v\u00e0o vi\u1ec7c hi\u1ec3u v\u00e0 ph\u00e2n t\u00edch nh\u1eefng c\u00e2u chuy\u1ec7n v\u00e0 c\u00e2u chuy\u1ec7n c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c chia s\u1ebb b\u1edfi c\u00e1c c\u00e1 nh\u00e2n. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ki\u1ec3m tra c\u1ea5u tr\u00fac, n\u1ed9i dung v\u00e0 b\u1ed1i c\u1ea3nh c\u1ee7a nh\u1eefng c\u00e2u chuy\u1ec7n n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c c\u00e1 nh\u00e2n x\u00e2y d\u1ef1ng \u00fd ngh\u0129a v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c tr\u1ea3i nghi\u1ec7m c\u1ee7a h\u1ecd.<\/span><\/p>\n C\u1ea3i c\u00e1ch h\u00e0nh ch\u00ednh l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1ee3p t\u00e1c trong \u0111\u00f3 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u l\u00e0m vi\u1ec7c ch\u1eb7t ch\u1ebd v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia ho\u1eb7c c\u1ed9ng \u0111\u1ed3ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ho\u1eb7c v\u1ea5n \u0111\u1ec1 x\u00e3 h\u1ed9i. M\u1ee5c \u0111\u00edch l\u00e0 trao quy\u1ec1n cho ng\u01b0\u1eddi tham gia v\u00e0 t\u1ea1o ra ki\u1ebfn \u200b\u200bth\u1ee9c c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ea3n \u00e1nh, h\u00e0nh \u0111\u1ed9ng v\u00e0 thay \u0111\u1ed5i theo chu k\u1ef3.<\/span><\/p>\n Thi\u1ebft k\u1ebf n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec3u nhi\u1ec1u th\u1ef1c t\u1ebf ch\u1ee7 quan v\u00e0 c\u00e1ch gi\u1ea3i th\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng x\u00e3 h\u1ed9i. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1m ph\u00e1 nh\u1eefng \u00fd ngh\u0129a v\u00e0 quan \u0111i\u1ec3m kh\u00e1c nhau \u0111\u01b0\u1ee3c quy cho m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n, nh\u00f3m t\u1eadp trung<\/a> ho\u1eb7c ph\u00e2n t\u00edch v\u0103n b\u1ea3n \u0111\u1ec3 kh\u00e1m ph\u00e1 s\u1ef1 ph\u1ee9c t\u1ea1p trong c\u00e1ch gi\u1ea3i th\u00edch c\u1ee7a c\u00e1c c\u00e1 nh\u00e2n.<\/span><\/p>\n T\u00ecm hi\u1ec3u th\u00eam: Nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec?<\/a><\/b><\/p>\n Cho d\u00f9 b\u1ea1n l\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u d\u00e0y d\u1ea1n hay m\u1edbi tham gia l\u0129nh v\u1ef1c n\u00e0y, ngu\u1ed3n t\u00e0i nguy\u00ean to\u00e0n di\u1ec7n n\u00e0y s\u1ebd trang b\u1ecb cho b\u1ea1n c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh c\u00f3 t\u00e1c \u0111\u1ed9ng.<\/span><\/p>\n \u0110\u01b0\u1ee3c trang b\u1ecb s\u1ef1 hi\u1ec3u bi\u1ebft m\u1edbi v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh, b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng b\u1eaft tay v\u00e0o h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1. Cho d\u00f9 b\u1ea1n \u0111ang kh\u00e1m ph\u00e1 nh\u1eefng l\u00e3nh th\u1ed5 m\u1edbi hay c\u1ea3i ti\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n c\u00f3, h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n \u0111i\u1ec1u h\u01b0\u1edbng s\u1ef1 ph\u1ee9c t\u1ea1p trong h\u00e0nh vi c\u1ee7a con ng\u01b0\u1eddi v\u00e0 m\u1edf kh\u00f3a nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc th\u00fac \u0111\u1ea9y s\u1ef1 thay \u0111\u1ed5i c\u00f3 \u00fd ngh\u0129a.<\/span><\/p>\n Qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh. M\u1eb7c d\u00f9 c\u00e1c chi ti\u1ebft c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o b\u1ed1i c\u1ea3nh v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan chung v\u1ec1 c\u00e1c b\u01b0\u1edbc li\u00ean quan:<\/span><\/p>\n 1. <\/b><\/span>X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u<\/b><\/p>\n B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t tuy\u00ean b\u1ed1 ng\u1eafn g\u1ecdn v\u00e0 r\u00f5 r\u00e0ng n\u00eau r\u00f5 c\u00e2u h\u1ecfi ho\u1eb7c m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. B\u1ea1n mu\u1ed1n kh\u00e1m ph\u00e1 ho\u1eb7c hi\u1ec3u \u0111i\u1ec1u g\u00ec th\u00f4ng qua nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> c\u1ee7a m\u00ecnh? \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e2u h\u1ecfi ph\u1ea3i c\u1ee5 th\u1ec3, t\u1eadp trung v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 2. X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/p>\n Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ho\u1eb7c thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> ph\u00f9 h\u1ee3p nh\u1ea5t d\u1ef1a tr\u00ean c\u00e2u h\u1ecfi v\u00e0 m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. H\u00e3y xem x\u00e9t c\u00e1c lo\u1ea1i thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh kh\u00e1c nhau (nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng h\u1ecdc, d\u00e2n t\u1ed9c h\u1ecdc v\u00e0 l\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9) v\u00e0 ch\u1ecdn m\u1ed9t lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 3. X\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch nghi\u00ean c\u1ee9u<\/b><\/p>\n T\u1ea1o m\u1ed9t k\u1ebf ho\u1ea1ch nghi\u00ean c\u1ee9u ph\u00e1c th\u1ea3o c\u00e1c b\u01b0\u1edbc, quy tr\u00ecnh v\u00e0 ti\u1ebfn tr\u00ecnh cho nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. X\u00e1c \u0111\u1ecbnh \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau ho\u1eb7c ng\u01b0\u1eddi tham gia, ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch d\u1eef li\u1ec7u b\u1ea1n \u0111\u1ecbnh s\u1eed d\u1ee5ng.<\/span><\/p>\n 4. Ch\u1ecdn ng\u01b0\u1eddi tham gia<\/b><\/p>\n X\u00e1c \u0111\u1ecbnh ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn nh\u1eefng ng\u01b0\u1eddi tham gia c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb li\u00ean quan \u0111\u1ebfn c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. Xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nh\u00e2n kh\u1ea9u h\u1ecdc, chuy\u00ean m\u00f4n, kinh nghi\u1ec7m ho\u1eb7c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 li\u00ean quan \u0111\u1ebfn nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu (v\u00ed d\u1ee5: l\u1ea5y m\u1eabu c\u00f3 m\u1ee5c \u0111\u00edch, l\u1ea5y m\u1eabu qu\u1ea3 c\u1ea7u tuy\u1ebft) \u0111\u1ec3 tuy\u1ec3n ng\u01b0\u1eddi tham gia.<\/span><\/p>\n 5. Thu th\u1eadp d\u1eef li\u1ec7u<\/b><\/p>\n Ti\u1ebfn h\u00e0nh thu th\u1eadp d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh t\u00ednh<\/a> \u0111\u00e3 ch\u1ecdn. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n, quan s\u00e1t, nh\u00f3m t\u1eadp trung<\/a> ho\u1eb7c ph\u00e2n t\u00edch t\u00e0i li\u1ec7u. \u0110\u1ec3 duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ea1o \u0111\u1ee9c, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ea1o \u0111\u1ee9c v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u01b0a ra s\u1ef1 \u0111\u1ed3ng \u00fd c\u00f3 hi\u1ec3u bi\u1ebft. Xem x\u00e9t ghi \u00e2m ho\u1eb7c quay video \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thu th\u1eadp d\u1eef li\u1ec7u ch\u00ednh x\u00e1c.<\/span><\/p>\n 6. Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/b><\/p>\n Tham gia ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu, ch\u1ee7 \u0111\u1ec1 v\u00e0 th\u00f4ng tin chi ti\u1ebft t\u1eeb d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u00e3 h\u00f3a, ph\u00e2n lo\u1ea1i v\u00e0 t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u b\u1eb1ng ph\u1ea7n m\u1ec1m ph\u00e2n t\u00edch \u0111\u1ecbnh t\u00ednh ho\u1eb7c c\u00e1c k\u1ef9 thu\u1eadt th\u1ee7 c\u00f4ng. S\u1eed d\u1ee5ng c\u00e1c quy tr\u00ecnh l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u00e0 ph\u1ea3n \u00e1nh \u0111\u1ec3 tinh ch\u1ec9nh v\u00e0 l\u00e0m s\u00e2u s\u1eafc th\u00eam ph\u00e2n t\u00edch c\u1ee7a b\u1ea1n.<\/span><\/p>\n 7. Gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3<\/b><\/p>\n Gi\u1ea3i th\u00edch c\u00e1c ph\u00e1t hi\u1ec7n d\u1ef1a tr\u00ean ph\u00e2n t\u00edch d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Kh\u00e1m ph\u00e1 c\u00e1c ch\u1ee7 \u0111\u1ec1, m\u1ed1i quan h\u1ec7 v\u00e0 \u00fd ngh\u0129a m\u1edbi n\u1ed5i xu\u1ea5t hi\u1ec7n t\u1eeb d\u1eef li\u1ec7u. Xem x\u00e9t nh\u1eefng ph\u00e1t hi\u1ec7n n\u00e0y li\u00ean quan nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u v\u00e0 t\u00e0i li\u1ec7u hi\u1ec7n c\u00f3 trong l\u0129nh v\u1ef1c c\u1ee7a b\u1ea1n.<\/span><\/p>\n 8. R\u00fat ra k\u1ebft lu\u1eadn v\u00e0 t\u1ea1o ra nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc<\/b><\/p>\n T\u00f3m t\u1eaft nh\u1eefng ph\u00e1t hi\u1ec7n ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n v\u00e0 r\u00fat ra k\u1ebft lu\u1eadn d\u1ef1a tr\u00ean c\u00e1ch gi\u1ea3i th\u00edch d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Suy ng\u1eabm v\u1ec1 \u00fd ngh\u0129a v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a b\u1ea1n \u0111\u1ed1i v\u1edbi l\u00fd thuy\u1ebft, th\u1ef1c h\u00e0nh ho\u1eb7c nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai. X\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 h\u1ea1n ch\u1ebf ho\u1eb7c sai l\u1ec7ch ti\u1ec1m \u1ea9n n\u00e0o trong nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 9. Truy\u1ec1n \u0111\u1ea1t k\u1ebft qu\u1ea3<\/b><\/p>\n Chu\u1ea9n b\u1ecb m\u1ed9t b\u00e1o c\u00e1o ho\u1eb7c b\u1ea3n th\u1ea3o \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. Tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u \u0111\u1ecbnh t\u00ednh, ph\u00e2n t\u00edch, di\u1ec5n gi\u1ea3i v\u00e0 k\u1ebft lu\u1eadn c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 c\u00f3 t\u1ed5 ch\u1ee9c. H\u00e3y c\u00e2n nh\u1eafc vi\u1ec7c chia s\u1ebb nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a b\u1ea1n th\u00f4ng qua c\u00e1c b\u00e0i thuy\u1ebft tr\u00ecnh, \u1ea5n ph\u1ea9m ho\u1eb7c c\u00e1c k\u00eanh ph\u1ed5 bi\u1ebfn th\u00edch h\u1ee3p kh\u00e1c.<\/span><\/p>\n T\u00ecm hi\u1ec3u th\u00eam: Nghi\u00ean c\u1ee9u th\u1ecb tr\u01b0\u1eddng \u0111\u1ecbnh l\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/a> <\/b><\/p>\n Khi ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> , \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nghi\u00eam ng\u1eb7t, hi\u1ec7u l\u1ef1c v\u00e0 \u0111\u1ed9 tin c\u1eady cho nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t v\u1ec1 thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh:<\/span><\/p>\n 1. X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u:<\/b> B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c c\u00e2u h\u1ecfi ho\u1eb7c m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. H\u00e3y \u0111\u1ea3m b\u1ea3o ch\u00fang c\u1ee5 th\u1ec3, t\u1eadp trung v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch h\u1ecdc t\u1eadp c\u1ee7a b\u1ea1n. Vi\u1ec7c tr\u00ecnh b\u00e0y r\u00f5 r\u00e0ng c\u00e1c c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u s\u1ebd \u0111\u1ecbnh h\u01b0\u1edbng cho to\u00e0n b\u1ed9 thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 2. S\u1eed d\u1ee5ng khung l\u00fd thuy\u1ebft:<\/b> \u0110\u1eb7t nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n trong khu\u00f4n kh\u1ed5 l\u00fd thuy\u1ebft c\u00f3 li\u00ean quan ho\u1eb7c n\u1ed9i dung t\u00e0i li\u1ec7u hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p n\u1ec1n t\u1ea3ng \u0111\u1ec3 hi\u1ec3u b\u1ed1i c\u1ea3nh v\u00e0 gi\u00fap b\u1ea1n t\u1ea1o ra nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc g\u00f3p ph\u1ea7n ph\u00e1t tri\u1ec3n ho\u1eb7c ho\u00e0n thi\u1ec7n l\u00fd thuy\u1ebft.<\/span><\/p>\n 3. Ch\u1ecdn thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u ph\u00f9 h\u1ee3p:<\/b> Ch\u1ecdn m\u1ed9t thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e2u h\u1ecfi v\u00e0 m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. H\u00e3y xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn kh\u00e1c nhau hi\u1ec7n c\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng h\u1ecdc, d\u00e2n t\u1ed9c h\u1ecdc ho\u1eb7c l\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9 v\u00e0 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 4. S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt l\u1ea5y m\u1eabu nghi\u00eam ng\u1eb7t:<\/b> Ch\u1ecdn ng\u01b0\u1eddi tham gia ho\u1eb7c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt l\u1ea5y m\u1eabu nghi\u00eam ng\u1eb7t. H\u00e3y xem x\u00e9t l\u1ea5y m\u1eabu c\u00f3 m\u1ee5c \u0111\u00edch, trong \u0111\u00f3 ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed c\u1ee5 th\u1ec3 li\u00ean quan \u0111\u1ebfn c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. H\u01b0\u1edbng \u0111\u1ebfn s\u1ef1 \u0111a d\u1ea1ng v\u00e0 t\u00ecm ki\u1ebfm s\u1ef1 b\u00e3o h\u00f2a, trong \u0111\u00f3 vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m d\u01b0 th\u1eeba v\u00e0 vi\u1ec7c thu th\u1eadp th\u00eam d\u1eef li\u1ec7u kh\u00f4ng mang l\u1ea1i nh\u1eefng hi\u1ec3u bi\u1ebft m\u1edbi \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n 5. Thi\u1ebft l\u1eadp s\u1ef1 \u0111\u00e1ng tin c\u1eady v\u00e0 uy t\u00edn:<\/b> N\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c nh\u01b0 ki\u1ec3m tra th\u00e0nh vi\u00ean, trong \u0111\u00f3 ng\u01b0\u1eddi tham gia xem x\u00e9t v\u00e0 x\u00e1c th\u1ef1c c\u00e1c di\u1ec5n gi\u1ea3i c\u1ee7a b\u1ea1n ho\u1eb7c trao \u0111\u1ed5i ngang h\u00e0ng, trong \u0111\u00f3 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p cung c\u1ea5p ph\u1ea3n h\u1ed3i v\u1ec1 ph\u00e2n t\u00edch v\u00e0 di\u1ec5n gi\u1ea3i c\u1ee7a b\u1ea1n. Ph\u00e9p \u0111o tam gi\u00e1c ho\u1eb7c vi\u1ec7c s\u1eed d\u1ee5ng nhi\u1ec1u ngu\u1ed3n ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p d\u1eef li\u1ec7u c\u0169ng c\u00f3 th\u1ec3 c\u1ee7ng c\u1ed1 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c ph\u00e1t hi\u1ec7n c\u1ee7a b\u1ea1n.<\/span><\/p>\n 6. Duy tr\u00ec t\u00ednh ph\u1ea3n x\u1ea1:<\/b> H\u00e3y nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng th\u00e0nh ki\u1ebfn, gi\u1ea3 \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh ki\u1ebfn \u200b\u200bc\u1ee7a ch\u00ednh b\u1ea1n trong su\u1ed1t qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u. Tham gia v\u00e0o t\u00ednh ph\u1ea3n \u00e1nh b\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean suy ng\u1eabm xem quan \u0111i\u1ec3m c\u1ee7a ri\u00eang b\u1ea1n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn vi\u1ec7c thu th\u1eadp, ph\u00e2n t\u00edch v\u00e0 di\u1ec5n gi\u1ea3i d\u1eef li\u1ec7u. Vi\u1ec7c ghi l\u1ea1i v\u00e0 th\u1eeba nh\u1eadn vai tr\u00f2 c\u0169ng nh\u01b0 t\u00e1c \u0111\u1ed9ng ti\u1ec1m \u1ea9n c\u1ee7a ch\u00ednh b\u1ea1n \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/span><\/p>\n 7. L\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u0111\u1ea1o \u0111\u1ee9c: <\/b>Tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ea1o \u0111\u1ee9c v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd t\u1eeb ng\u01b0\u1eddi tham gia. \u0110\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt, \u1ea9n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi tham gia. T\u00ecm ki\u1ebfm s\u1ef1 ch\u1ea5p thu\u1eadn v\u1ec1 \u0111\u1ea1o \u0111\u1ee9c t\u1eeb h\u1ed9i \u0111\u1ed3ng \u0111\u00e1nh gi\u00e1 c\u1ee7a t\u1ed5 ch\u1ee9c ho\u1eb7c \u1ee7y ban \u0111\u1ea1o \u0111\u1ee9c c\u00f3 li\u00ean quan.<\/span><\/p>\n 8. S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u r\u00f5 r\u00e0ng v\u00e0 nh\u1ea5t qu\u00e1n: <\/b>Tu\u00e2n theo c\u00e1c giao th\u1ee9c v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u nh\u01b0 ph\u1ecfng v\u1ea5n, quan s\u00e1t ho\u1eb7c ph\u00e2n t\u00edch t\u00e0i li\u1ec7u. X\u00e2y d\u1ef1ng h\u01b0\u1edbng d\u1eabn ph\u1ecfng v\u1ea5n ho\u1eb7c quy tr\u00ecnh quan s\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a gi\u1eefa nh\u1eefng ng\u01b0\u1eddi tham gia ho\u1eb7c tr\u01b0\u1eddng h\u1ee3p.<\/span><\/p>\n 9. Duy tr\u00ec t\u00e0i li\u1ec7u chi ti\u1ebft: <\/b>L\u01b0u gi\u1eef h\u1ed3 s\u01a1 to\u00e0n di\u1ec7n v\u1ec1 qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n, bao g\u1ed3m ghi ch\u00fa hi\u1ec7n tr\u01b0\u1eddng, b\u1ea3ng \u0111i\u1ec3m ho\u1eb7c b\u1ea3n ghi nh\u1edb ph\u00e2n t\u00edch. T\u00e0i li\u1ec7u k\u1ef9 l\u01b0\u1ee1ng mang l\u1ea1i s\u1ef1 minh b\u1ea1ch, kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m to\u00e1n \u0111\u1ed9c l\u1eadp ho\u1eb7c nh\u00e2n r\u1ed9ng nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n 10. Tham gia ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1eb7p l\u1ea1i: <\/b>Ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong su\u1ed1t qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u. S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt m\u00e3 h\u00f3a, ph\u00e2n t\u00edch theo ch\u1ee7 \u0111\u1ec1 ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh<\/a> t\u00ednh th\u00edch h\u1ee3p kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu, ch\u1ee7 \u0111\u1ec1 v\u00e0 m\u1ed1i quan h\u1ec7 trong d\u1eef li\u1ec7u. Cho ph\u00e9p s\u1eeda \u0111\u1ed5i, s\u00e0ng l\u1ecdc v\u00e0 kh\u00e1m ph\u00e1 th\u00eam nh\u1eefng hi\u1ec3u bi\u1ebft m\u1edbi n\u1ed5i.<\/span><\/p>\n 11. \u0110\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed9c l\u1eadp v\u00e0 kh\u00e1ch quan c\u1ee7a nh\u00e0 nghi\u00ean c\u1ee9u:<\/b> H\u00e3y l\u01b0u \u00fd \u0111\u1ebfn nh\u1eefng th\u00e0nh ki\u1ebfn \u200b\u200bc\u1ee7a ri\u00eang b\u1ea1n v\u00e0 duy tr\u00ec t\u00ednh \u0111\u1ed9c l\u1eadp c\u1ee7a nh\u00e0 nghi\u00ean c\u1ee9u trong su\u1ed1t qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u. C\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00ednh kh\u00e1ch quan b\u1eb1ng c\u00e1ch ki\u1ec3m tra nghi\u00eam t\u00fac c\u00e1c di\u1ec5n gi\u1ea3i c\u1ee7a b\u1ea1n, t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i th\u00edch thay th\u1ebf v\u00e0 tham gia v\u00e0o cu\u1ed9c ph\u1ecfng v\u1ea5n ngang h\u00e0ng ho\u1eb7c \u0111\u00e1nh gi\u00e1 b\u00ean ngo\u00e0i.<\/span><\/p>\n 12. Truy\u1ec1n \u0111\u1ea1t k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3:<\/b> Truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n, bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn, ph\u00e2n t\u00edch d\u1eef li\u1ec7u, di\u1ec5n gi\u1ea3i v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf. Cung c\u1ea5p c\u00e1c m\u00f4 t\u1ea3 phong ph\u00fa v\u00e0 chi ti\u1ebft \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c l\u1eadp lu\u1eadn v\u00e0 k\u1ebft lu\u1eadn c\u1ee7a b\u1ea1n. H\u00e3y c\u00e2n nh\u1eafc vi\u1ec7c tr\u00ecnh b\u00e0y nh\u1eefng ph\u00e1t hi\u1ec7n theo c\u00e1ch g\u00e2y \u0111\u01b0\u1ee3c ti\u1ebfng vang v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n, cho d\u00f9 \u0111\u00f3 l\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u h\u1ecdc thu\u1eadt, ng\u01b0\u1eddi th\u1ef1c h\u00e0nh hay nh\u00e0 ho\u1ea1ch \u0111\u1ecbnh ch\u00ednh s\u00e1ch.<\/span><\/p>\nThi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec?<\/h2>\n
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C\u00e1c lo\u1ea1i thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/h2>\n
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Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/h2>\n
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Quy tr\u00ecnh thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh: 9 b\u01b0\u1edbc ch\u00ednh<\/h2>\n
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12 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/h2>\n