{"id":82899,"date":"2023-06-21T11:36:13","date_gmt":"2023-06-21T15:36:13","guid":{"rendered":"https:\/\/ideascale.com\/viblog\/nghien-cuu-dinh-tinh-la-gi\/"},"modified":"2024-06-20T02:54:51","modified_gmt":"2024-06-20T06:54:51","slug":"nghien-cuu-dinh-tinh-la-gi","status":"publish","type":"post","link":"https:\/\/ideascale.com\/vi\/viblog\/nghien-cuu-dinh-tinh-la-gi\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, lo\u1ea1i, v\u00ed d\u1ee5, 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> Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1m ph\u00e1<\/span> nh\u1eb1m t\u00ecm hi\u1ec3u c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p, th\u01b0\u1eddng trong b\u1ed1i c\u1ea3nh t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang, b\u1eb1ng c\u00e1ch ki\u1ec3m tra kinh nghi\u1ec7m, ni\u1ec1m tin, th\u00e1i \u0111\u1ed9 v\u00e0 h\u00e0nh vi ch\u1ee7 quan.<\/span><\/p>\n Kh\u00f4ng gi\u1ed1ng nh\u01b0 nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> , t\u1eadp trung v\u00e0o c\u00e1c ph\u00e9p \u0111o s\u1ed1 v\u00e0 ph\u00e2n t\u00edch th\u1ed1ng k\u00ea, nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh s\u1eed d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u chi ti\u1ebft, phi s\u1ed1 c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u.<\/span><\/p>\n D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh: <\/b><\/p>\n T\u00ecm hi\u1ec3u th\u00eam: Quan s\u00e1t \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec?<\/a><\/b><\/p>\n D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 lo\u1ea1i nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u:<\/span><\/p>\n 1. Hi\u1ec7n t\u01b0\u1ee3ng h\u1ecdc<\/b>: Lo\u1ea1i nghi\u00ean c\u1ee9u n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c t\u00ecm hi\u1ec3u b\u1ea3n ch\u1ea5t v\u00e0 \u00fd ngh\u0129a c\u1ee7a m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ho\u1eb7c tr\u1ea3i nghi\u1ec7m c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3m nh\u1eadn b\u1edfi nh\u1eefng c\u00e1 nh\u00e2n \u0111\u00e3 tr\u1ea3i qua n\u00f3. N\u00f3 t\u00ecm c\u00e1ch n\u1eafm b\u1eaft nh\u1eefng kinh nghi\u1ec7m v\u00e0 quan \u0111i\u1ec3m ch\u1ee7 quan c\u1ee7a ng\u01b0\u1eddi tham gia.<\/span><\/p>\n 2. D\u00e2n t\u1ed9c h\u1ecdc<\/b>: Nghi\u00ean c\u1ee9u d\u00e2n t\u1ed9c h\u1ecdc bao g\u1ed3m vi\u1ec7c h\u00f2a m\u00ecnh v\u00e0o m\u1ed9t nh\u00f3m v\u0103n h\u00f3a ho\u1eb7c x\u00e3 h\u1ed9i c\u1ee5 th\u1ec3 \u0111\u1ec3 quan s\u00e1t v\u00e0 hi\u1ec3u c\u00e1c t\u1eadp qu\u00e1n, phong t\u1ee5c, t\u00edn ng\u01b0\u1ee1ng v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a nh\u00f3m \u0111\u00f3. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u d\u00e0nh th\u1eddi gian d\u00e0i trong c\u1ed9ng \u0111\u1ed3ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 l\u1ed1i s\u1ed1ng c\u1ee7a c\u1ed9ng \u0111\u1ed3ng.<\/span><\/p>\n 3. L\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9:<\/b> L\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9 nh\u1eb1m m\u1ee5c \u0111\u00edch t\u1ea1o ra c\u00e1c l\u00fd thuy\u1ebft ho\u1eb7c khung kh\u00e1i ni\u1ec7m m\u1edbi d\u1ef1a tr\u00ean vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n, quan s\u00e1t ho\u1eb7c t\u00e0i li\u1ec7u. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u00e3 h\u00f3a v\u00e0 ph\u00e2n lo\u1ea1i d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i th\u00edch l\u00fd thuy\u1ebft.<\/span><\/p>\n 4. Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh<\/b>: Trong nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ti\u1ebfn h\u00e0nh ki\u1ec3m tra chuy\u00ean s\u00e2u v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n, nh\u00f3m ho\u1eb7c s\u1ef1 ki\u1ec7n \u0111\u1ec3 hi\u1ec3u bi\u1ebft chi ti\u1ebft v\u1ec1 ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cho ph\u00e9p thu th\u1eadp th\u00f4ng tin theo ng\u1eef c\u1ea3nh phong ph\u00fa v\u00e0 c\u00f3 th\u1ec3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c kh\u00e1m ph\u00e1 c\u00e1c tr\u01b0\u1eddng h\u1ee3p ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9c \u0111\u00e1o.<\/span><\/p>\n 5. Nghi\u00ean c\u1ee9u t\u01b0\u1eddng thu\u1eadt:<\/b> Nghi\u00ean c\u1ee9u t\u01b0\u1eddng thu\u1eadt t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c c\u00e2u chuy\u1ec7n v\u00e0 l\u1eddi k\u1ec3 c\u00e1 nh\u00e2n c\u1ee7a c\u00e1c c\u00e1 nh\u00e2n \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 tr\u1ea3i nghi\u1ec7m, danh t\u00ednh v\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o c\u1ea3m gi\u00e1c c\u1ee7a h\u1ecd. N\u00f3 nh\u1ea5n m\u1ea1nh s\u1ee9c m\u1ea1nh c\u1ee7a vi\u1ec7c k\u1ec3 chuy\u1ec7n trong vi\u1ec7c x\u00e2y d\u1ef1ng \u00fd ngh\u0129a.<\/span><\/p>\n V\u00ed d\u1ee5 1.<\/b> M\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u hi\u1ec7n t\u01b0\u1ee3ng h\u1ecdc c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 tr\u1ea3i nghi\u1ec7m s\u1ed1ng c\u1ee7a nh\u1eefng c\u00e1 nh\u00e2n s\u1ed1ng s\u00f3t sau th\u1ea3m h\u1ecda thi\u00ean nhi\u00ean \u0111\u1ec3 hi\u1ec3u t\u00e1c \u0111\u1ed9ng t\u00e2m l\u00fd v\u00e0 c\u1ea3m x\u00fac c\u1ee7a nh\u1eefng s\u1ef1 ki\u1ec7n \u0111\u00f3.<\/span><\/p>\n V\u00ed d\u1ee5 2.<\/b> M\u1ed9t nh\u00e0 d\u00e2n t\u1ed9c h\u1ecdc c\u00f3 th\u1ec3 h\u00f2a m\u00ecnh v\u00e0o m\u1ed9t c\u1ed9ng \u0111\u1ed3ng b\u1ea3n \u0111\u1ecba xa x\u00f4i \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c t\u1eadp qu\u00e1n v\u0103n h\u00f3a, nghi l\u1ec5 v\u00e0 \u0111\u1ed9ng l\u1ef1c x\u00e3 h\u1ed9i c\u1ee7a h\u1ecd.<\/span><\/p>\n V\u00ed d\u1ee5 3.<\/b> M\u1ed9t nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9 c\u00f3 th\u1ec3 \u0111i\u1ec1u tra c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed1i ph\u00f3 m\u00e0 b\u1ec7nh nh\u00e2n ung th\u01b0 s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n v\u00e0 ph\u00e2n t\u00edch kinh nghi\u1ec7m c\u1ee7a h\u1ecd.<\/span><\/p>\n V\u00ed d\u1ee5 4.<\/b> M\u1ed9t nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra v\u0103n h\u00f3a t\u1ed5 ch\u1ee9c c\u1ee7a m\u1ed9t c\u00f4ng ty c\u1ee5 th\u1ec3 \u0111\u1ec3 hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a nh\u00e2n vi\u00ean v\u00e0 s\u1ef1 h\u00e0i l\u00f2ng trong c\u00f4ng vi\u1ec7c.<\/span><\/p>\n V\u00ed d\u1ee5 5.<\/b> M\u1ed9t d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u t\u01b0\u1eddng thu\u1eadt c\u00f3 th\u1ec3 ph\u00e2n t\u00edch c\u00e1c c\u00e2u chuy\u1ec7n c\u00e1 nh\u00e2n c\u1ee7a nh\u1eefng c\u00e1 nh\u00e2n \u0111\u00e3 tr\u1ea3i qua nh\u1eefng chuy\u1ec3n \u0111\u1ed5i quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 di c\u01b0 ho\u1eb7c thay \u0111\u1ed5i ngh\u1ec1 nghi\u1ec7p, \u0111\u1ec3 hi\u1ec3u c\u00e1c qu\u00e1 tr\u00ecnh t\u1ea1o ra \u00fd ngh\u0129a c\u01a1 b\u1ea3n.<\/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 D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh t\u1ed1t nh\u1ea5t mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf \u0111\u1ed9c \u0111\u00e1o trong vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u phong ph\u00fa, h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch chuy\u00ean s\u00e2u v\u00e0 t\u1ea1o ra nh\u1eefng ph\u00e1t hi\u1ec7n to\u00e0n di\u1ec7n:<\/span><\/b><\/p>\n 1. Ph\u1ecfng v\u1ea5n chuy\u00ean s\u00e2u<\/b><\/p>\n M\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 ph\u1ecfng v\u1ea5n s\u00e2u. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n tr\u1ef1c ti\u1ebfp v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin chi ti\u1ebft, phong ph\u00fa v\u1ec1 kinh nghi\u1ec7m, quan \u0111i\u1ec3m v\u00e0 \u00fd ki\u1ebfn \u200b\u200bc\u1ee7a h\u1ecd. Ph\u1ecfng v\u1ea5n s\u00e2u cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1m ph\u00e1 suy ngh\u0129, c\u1ea3m x\u00fac v\u00e0 \u0111\u1ed9ng l\u1ef1c c\u1ee7a ng\u01b0\u1eddi tham gia, cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 h\u00e0nh vi v\u00e0 qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a h\u1ecd. T\u00ednh linh ho\u1ea1t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p kh\u00e1m ph\u00e1 tr\u1ea3i nghi\u1ec7m c\u00e1 nh\u00e2n m\u1ed9t c\u00e1ch chi ti\u1ebft, khi\u1ebfn n\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u1ea1y c\u1ea3m ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p. Th\u00f4ng qua vi\u1ec7c th\u0103m d\u00f2 c\u1ea9n th\u1eadn v\u00e0 \u0111\u1eb7t c\u00e2u h\u1ecfi m\u1edf, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 th\u1ebf gi\u1edbi quan c\u1ee7a ng\u01b0\u1eddi tham gia, kh\u00e1m ph\u00e1 c\u00e1c khu\u00f4n m\u1eabu \u1ea9n gi\u1ea5u v\u00e0 t\u1ea1o ra c\u00e1c gi\u1ea3 thuy\u1ebft m\u1edbi.<\/span><\/p>\n 2. Nh\u00f3m t\u1eadp trung<\/b><\/p>\n Nghi\u00ean c\u1ee9u nh\u00f3m t\u1eadp trung<\/a> bao g\u1ed3m vi\u1ec7c t\u1eadp h\u1ee3p m\u1ed9t nh\u00f3m nh\u1ecf c\u00e1c c\u00e1 nh\u00e2n (th\u01b0\u1eddng t\u1eeb 6-10 ng\u01b0\u1eddi) c\u00f3 chung \u0111\u1eb7c \u0111i\u1ec3m ho\u1eb7c kinh nghi\u1ec7m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi tham gia tham gia v\u00e0o c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn m\u1edf \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi ng\u01b0\u1eddi \u0111i\u1ec1u h\u00e0nh c\u00f3 k\u1ef9 n\u0103ng. C\u00e1c nh\u00f3m t\u1eadp trung cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng n\u0103ng \u0111\u1ed9ng cho ph\u00e9p ng\u01b0\u1eddi tham gia t\u01b0\u01a1ng t\u00e1c, chia s\u1ebb quan \u0111i\u1ec3m c\u1ee7a h\u1ecd v\u00e0 x\u00e2y d\u1ef1ng \u00fd t\u01b0\u1edfng c\u1ee7a nhau. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ec3 kh\u00e1m ph\u00e1 \u0111\u1ed9ng l\u1ef1c nh\u00f3m, \u00fd ki\u1ebfn \u200b\u200bt\u1eadp th\u1ec3 v\u00e0 chu\u1ea9n m\u1ef1c x\u00e3 h\u1ed9i. B\u1eb1ng c\u00e1ch quan s\u00e1t s\u1ef1 t\u01b0\u01a1ng t\u00e1c trong nh\u00f3m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 c\u00e1ch \u1ea3nh h\u01b0\u1edfng x\u00e3 h\u1ed9i h\u00ecnh th\u00e0nh th\u00e1i \u0111\u1ed9 v\u00e0 h\u00e0nh vi c\u00e1 nh\u00e2n. C\u00e1c nh\u00f3m t\u1eadp trung<\/a> c\u0169ng cho ph\u00e9p kh\u00e1m ph\u00e1 c\u00e1c quan \u0111i\u1ec3m \u0111a d\u1ea1ng, cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c m\u00f4 h\u00ecnh, m\u00e2u thu\u1eabn v\u00e0 kinh nghi\u1ec7m \u0111\u01b0\u1ee3c chia s\u1ebb.<\/span><\/p>\n 3. Nghi\u00ean c\u1ee9u quan s\u00e1t<\/b><\/p>\n Nghi\u00ean c\u1ee9u quan s\u00e1t<\/a> bao g\u1ed3m vi\u1ec7c quan s\u00e1t v\u00e0 ghi l\u1ea1i m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c h\u00e0nh vi v\u00e0 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi tham gia trong m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean c\u1ee7a h\u1ecd. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u m\u1ed9t c\u00e1i nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed1i c\u1ea3nh \u0111\u1eddi th\u1ef1c, cho ph\u00e9p hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c t\u01b0\u01a1ng t\u00e1c x\u00e3 h\u1ed9i, th\u1ef1c ti\u1ec5n v\u0103n h\u00f3a v\u00e0 c\u00e1c m\u00f4 h\u00ecnh h\u00e0nh vi. D\u00f9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua quan s\u00e1t c\u1ee7a ng\u01b0\u1eddi tham gia hay quan s\u00e1t k\u00edn \u0111\u00e1o, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1ebd lo\u1ea1i b\u1ecf nh\u1eefng th\u00e0nh ki\u1ebfn \u200b\u200bti\u1ec1m \u1ea9n li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ef1 b\u00e1o c\u00e1o, v\u00ec h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi tham gia c\u00f3 \u00fd ngh\u0129a h\u01a1n l\u1eddi n\u00f3i. Nghi\u00ean c\u1ee9u quan s\u00e1t \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb trong vi\u1ec7c nghi\u00ean c\u1ee9u giao ti\u1ebfp phi ng\u00f4n ng\u1eef, c\u00e1c y\u1ebfu t\u1ed1 ng\u1eef c\u1ea3nh v\u00e0 h\u1ec7 th\u1ed1ng x\u00e3 h\u1ed9i ph\u1ee9c t\u1ea1p. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 nh\u1eefng h\u00e0nh vi ho\u1eb7c tr\u1ea3i nghi\u1ec7m kh\u00f4ng r\u00f5 r\u00e0ng m\u00e0 c\u00f3 th\u1ec3 kh\u00f3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. Tuy nhi\u00ean, vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn, c\u00e2n nh\u1eafc v\u1ec1 m\u1eb7t \u0111\u1ea1o \u0111\u1ee9c v\u00e0 nhu c\u1ea7u tham gia l\u00e2u d\u00e0i l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u quan s\u00e1t<\/a> th\u00e0nh c\u00f4ng.<\/span><\/p>\n 4. Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh<\/b><\/p>\n Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p 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 s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u thu th\u1eadp d\u1eef li\u1ec7u th\u00f4ng qua nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ecfng v\u1ea5n, quan s\u00e1t, t\u00e0i li\u1ec7u v\u00e0 hi\u1ec7n v\u1eadt, \u0111\u1ec3 x\u00e2y d\u1ef1ng s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 v\u1ee5 vi\u1ec7c \u0111ang \u0111\u01b0\u1ee3c \u0111i\u1ec1u tra. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p kh\u00e1m ph\u00e1 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng x\u00e3 h\u1ed9i ph\u1ee9c t\u1ea1p trong b\u1ed1i c\u1ea3nh \u0111\u1eddi th\u1ef1c c\u1ee7a ch\u00fang, kh\u00e1m ph\u00e1 nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc, chi ti\u1ebft m\u00e0 c\u00f3 th\u1ec3 kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p cung c\u1ea5p c\u01a1 h\u1ed9i \u0111\u1ec3 ki\u1ec3m tra c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9c \u0111\u00e1o ho\u1eb7c hi\u1ebfm g\u1eb7p, \u0111i s\u00e2u v\u00e0o b\u1ed1i c\u1ea3nh l\u1ecbch s\u1eed v\u00e0 t\u1ea1o ra ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee5 th\u1ec3 theo b\u1ed1i c\u1ea3nh. Nh\u1eefng ph\u00e1t hi\u1ec7n t\u1eeb c\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh th\u01b0\u1eddng r\u1ea5t chi ti\u1ebft v\u00e0 g\u1eafn li\u1ec1n v\u1edbi b\u1ed1i c\u1ea3nh, \u0111\u01b0a ra nh\u1eefng m\u00f4 t\u1ea3 phong ph\u00fa v\u00e0 g\u00f3p ph\u1ea7n ph\u00e1t tri\u1ec3n ho\u1eb7c ho\u00e0n thi\u1ec7n l\u00fd thuy\u1ebft.<\/span><\/p>\n C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 kh\u00e1m ph\u00e1 nh\u1eefng tr\u1ea3i nghi\u1ec7m, \u00fd ngh\u0129a v\u00e0 di\u1ec5n gi\u1ea3i ch\u1ee7 quan. C\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n s\u00e2u cho ph\u00e9p kh\u00e1m ph\u00e1 c\u00e1c quan \u0111i\u1ec3m c\u00e1 nh\u00e2n, trong khi c\u00e1c nh\u00f3m t\u1eadp trung<\/a> l\u00e0m s\u00e1ng t\u1ecf \u0111\u1ed9ng l\u1ef1c c\u1ee7a nh\u00f3m. Nghi\u00ean c\u1ee9u quan s\u00e1t<\/a> cung c\u1ea5p c\u00e1i nh\u00ecn tr\u1ef1c ti\u1ebfp v\u1ec1 h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi tham gia v\u00e0 nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh t\u00ednh n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc, n\u1eafm b\u1eaft c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p v\u00e0 t\u1ea1o ra ki\u1ebfn \u200b\u200bth\u1ee9c theo ng\u1eef c\u1ea3nh c\u1ee5 th\u1ec3.<\/span><\/p>\n B\u1eb1ng c\u00e1ch tu\u00e2n theo nh\u1eefng th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh c\u00f3 th\u1ec3 n\u00e2ng cao t\u00ednh ch\u1eb7t ch\u1ebd, \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 tin c\u1eady trong nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd, d\u1eabn \u0111\u1ebfn nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc c\u00f3 gi\u00e1 tr\u1ecb v\u00e0 c\u00f3 \u00fd ngh\u0129a v\u1ec1 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p \u0111ang \u0111\u01b0\u1ee3c \u0111i\u1ec1u tra.<\/span><\/p>\nNghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh l\u00e0 g\u00ec?<\/h2>\n
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5 lo\u1ea1i nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh ch\u00ednh<\/h2>\n
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V\u00ed d\u1ee5 v\u1ec1 nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/h2>\n
Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh: 4 k\u1ef9 thu\u1eadt h\u00e0ng \u0111\u1ea7u<\/h2>\n
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Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/h2>\n
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