{"id":82844,"date":"2023-07-25T10:23:11","date_gmt":"2023-07-25T14:23:11","guid":{"rendered":"https:\/\/ideascale.com\/viblog\/nghien-cuu-la-gi\/"},"modified":"2024-06-20T04:45:05","modified_gmt":"2024-06-20T08:45:05","slug":"nghien-cuu-la-gi","status":"publish","type":"post","link":"https:\/\/ideascale.com\/vi\/viblog\/nghien-cuu-la-gi\/","title":{"rendered":"Nghi\u00ean c\u1ee9u l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, lo\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p v\u00e0 quy tr\u00ecnh"},"content":{"rendered":"
M\u1ee5c l\u1ee5c<\/b><\/strong><\/p>\n<\/div> Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u00ecm hi\u1ec3u t\u1ec9 m\u1ec9 v\u00e0 c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u00e1m ph\u00e1 v\u00e0 l\u00e0m s\u00e1ng t\u1ecf c\u00e1c ch\u1ee7 \u0111\u1ec1 ho\u1eb7c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. C\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c thu th\u1eadp k\u1ef9 l\u01b0\u1ee1ng, ph\u00e2n t\u00edch nghi\u00eam ng\u1eb7t v\u00e0 gi\u1ea3i th\u00edch th\u00f4ng tin s\u00e2u s\u1eafc, nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111i s\u00e2u v\u00e0o c\u00e1c s\u1eafc th\u00e1i c\u1ee7a l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ecdn. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, c\u00e1c nh\u00e0 \u0111i\u1ec1u tra c\u00f3 th\u1ec3 r\u00fat ra nh\u1eefng k\u1ebft lu\u1eadn c\u00f3 \u00fd ngh\u0129a, th\u00fac \u0111\u1ea9y s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc g\u00f3p ph\u1ea7n \u0111\u00e1ng k\u1ec3 v\u00e0o n\u1ec1n t\u1ea3ng ki\u1ebfn \u200b\u200bth\u1ee9c hi\u1ec7n c\u00f3. <\/span><\/p>\n S\u1ef1 c\u1ed1ng hi\u1ebfn cho vi\u1ec7c t\u00ecm hi\u1ec3u c\u00f3 h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a s\u1ef1 ti\u1ebfn b\u1ed9, th\u00fac \u0111\u1ea9y nh\u1eefng ti\u1ebfn b\u1ed9 trong khoa h\u1ecdc, c\u00f4ng ngh\u1ec7, khoa h\u1ecdc x\u00e3 h\u1ed9i v\u00e0 c\u00e1c ng\u00e0nh h\u1ecdc \u0111a d\u1ea1ng. Th\u00f4ng qua vi\u1ec7c ph\u1ed5 bi\u1ebfn nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc \u0111\u01b0\u1ee3c thu th\u1eadp t\u1ec9 m\u1ec9, c\u00e1c h\u1ecdc gi\u1ea3 kh\u00f4ng ch\u1ec9 truy\u1ec1n c\u1ea3m h\u1ee9ng cho s\u1ef1 h\u1ee3p t\u00e1c v\u00e0 \u0111\u1ed5i m\u1edbi m\u00e0 c\u00f2n x\u00fac t\u00e1c cho s\u1ef1 thay \u0111\u1ed5i x\u00e3 h\u1ed9i t\u00edch c\u1ef1c.<\/span><\/p>\n Trong qu\u00e1 tr\u00ecnh theo \u0111u\u1ed5i ki\u1ebfn \u200b\u200bth\u1ee9c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u1eaft tay v\u00e0o h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1, t\u00ecm c\u00e1ch l\u00e0m s\u00e1ng t\u1ecf s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a th\u1ebf gi\u1edbi xung quanh ch\u00fang ta. B\u1eb1ng c\u00e1ch \u0111\u1eb7t ra c\u00e1c c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u r\u00f5 r\u00e0ng, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1eb7t ra l\u1ed9 tr\u00ecnh cho cu\u1ed9c \u0111i\u1ec1u tra c\u1ee7a m\u00ecnh, x\u00e2y d\u1ef1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1ea9n th\u1eadn \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u li\u00ean quan. Cho d\u00f9 s\u1eed d\u1ee5ng kh\u1ea3o s\u00e1t \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> hay ph\u1ecfng v\u1ea5n \u0111\u1ecbnh t\u00ednh<\/a> , vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a m\u1ecdi n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u. Sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u s\u1ebd ph\u00e2n t\u00edch n\u00f3 m\u1ed9t c\u00e1ch t\u1ec9 m\u1ec9, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 th\u1ed1ng k\u00ea ho\u1eb7c ph\u00e2n t\u00edch theo ch\u1ee7 \u0111\u1ec1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu v\u00e0 r\u00fat ra nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 \u00fd ngh\u0129a. Nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi b\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m, g\u00f3p ph\u1ea7n v\u00e0o kho ki\u1ebfn \u200b\u200bth\u1ee9c chung, l\u00e0m phong ph\u00fa th\u00eam s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1c nhau v\u00e0 h\u01b0\u1edbng d\u1eabn qu\u00e1 tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh tr\u00ean c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau. Th\u00f4ng qua nghi\u00ean c\u1ee9u, ch\u00fang t\u00f4i li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a m\u00ecnh v\u1ec1 v\u0169 tr\u1ee5, \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho s\u1ef1 \u0111\u1ed5i m\u1edbi<\/a> v\u00e0 ti\u1ebfn b\u1ed9 \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai.<\/span><\/p>\n Nghi\u00ean c\u1ee9u th\u1ec3 hi\u1ec7n tinh th\u1ea7n t\u00f2 m\u00f2 v\u00e0 theo \u0111u\u1ed5i s\u1ef1 th\u1eadt. <\/span>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u:<\/span><\/p>\n Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh n\u00e0y x\u00e1c \u0111\u1ecbnh chung nghi\u00ean c\u1ee9u l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c nghi\u00eam ng\u1eb7t v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb nh\u1eb1m th\u00fac \u0111\u1ea9y s\u1ef1 ti\u1ebfn b\u1ed9, ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 \u0111\u1ed5i m\u1edbi trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/span><\/p>\n <\/p>\n Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u trong m\u1ed9t nghi\u00ean c\u1ee9u. C\u00f3 nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u kh\u00e1c nhau v\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u th\u01b0\u1eddng ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t d\u1ef1a tr\u00ean c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd, t\u00ednh ch\u1ea5t c\u1ee7a d\u1eef li\u1ec7u h\u1ecd mu\u1ed1n thu th\u1eadp v\u00e0 c\u00e1c ngu\u1ed3n l\u1ef1c c\u00f3 s\u1eb5n cho h\u1ecd. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/span><\/p>\n 1. Nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng:<\/strong> Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> t\u1eadp trung v\u00e0o vi\u1ec7c thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft lu\u1eadn. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> l\u00e0:<\/span><\/p>\n Kh\u1ea3o s\u00e1t- Ti\u1ebfn h\u00e0nh c\u00e1c c\u00e2u h\u1ecfi c\u00f3 c\u1ea5u tr\u00fac ho\u1eb7c ph\u1ecfng v\u1ea5n v\u1edbi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ng\u01b0\u1eddi tham gia \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u s\u1ed1.<\/span><\/p>\n Th\u00ed nghi\u1ec7m-Thao t\u00e1c c\u00e1c bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 nh\u00e2n qu\u1ea3.<\/span><\/p>\n Nghi\u00ean c\u1ee9u quan s\u00e1t- Quan s\u00e1t v\u00e0 ghi l\u1ea1i m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c h\u00e0nh vi ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng m\u00e0 kh\u00f4ng c\u1ea7n can thi\u1ec7p.<\/span><\/p>\n Ph\u00e2n t\u00edch d\u1eef li\u1ec7u th\u1ee9 c\u1ea5p- Ph\u00e2n t\u00edch c\u00e1c t\u1eadp d\u1eef li\u1ec7u v\u00e0 h\u1ed3 s\u01a1 hi\u1ec7n c\u00f3 \u0111\u1ec3 r\u00fat ra nh\u1eefng hi\u1ec3u bi\u1ebft ho\u1eb7c k\u1ebft lu\u1eadn m\u1edbi.<\/span><\/p>\n 2. Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh:<\/strong> Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp th\u00f4ng tin phi s\u1ed1 v\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 tr\u00ed tu\u1ec7 \u0111\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh l\u00e0:<\/span><\/p>\n Ph\u1ecfng v\u1ea5n- Ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n s\u00e2u, b\u00e1n c\u1ea5u tr\u00fac ho\u1eb7c kh\u00f4ng c\u1ea5u tr\u00fac \u0111\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 quan \u0111i\u1ec3m c\u1ee7a ng\u01b0\u1eddi tham gia.<\/span><\/p>\n Nh\u00f3m t\u1eadp trung- Th\u1ea3o lu\u1eadn nh\u00f3m v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00e1i \u0111\u1ed9, ni\u1ec1m tin v\u00e0 kinh nghi\u1ec7m c\u1ee7a h\u1ecd v\u1ec1 m\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u1ee5 th\u1ec3.<\/span><\/p>\n D\u00e2n t\u1ed9c h\u1ecdc- \u0110\u1eafm ch\u00ecm trong m\u1ed9t n\u1ec1n v\u0103n h\u00f3a ho\u1eb7c c\u1ed9ng \u0111\u1ed3ng c\u1ee5 th\u1ec3 \u0111\u1ec3 quan s\u00e1t v\u00e0 hi\u1ec3u h\u00e0nh vi, phong t\u1ee5c v\u00e0 t\u00edn ng\u01b0\u1ee1ng c\u1ee7a h\u1ecd.<\/span><\/p>\n Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh- 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 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n.<\/span><\/p>\n 3. Nghi\u00ean c\u1ee9u theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u1ed7n h\u1ee3p:<\/strong> K\u1ebft h\u1ee3p c\u1ea3 ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/a> \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> v\u00e0 \u0111\u1ecbnh t\u00ednh trong m\u1ed9t nghi\u00ean c\u1ee9u duy nh\u1ea5t \u0111\u1ec3 cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u.<\/span><\/p>\n 4. Nghi\u00ean c\u1ee9u c\u1eaft ngang:<\/b> Thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb m\u1ed9t m\u1eabu d\u00e2n s\u1ed1 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 \u0111\u1ec3 hi\u1ec3u m\u1ed1i quan h\u1ec7 ho\u1eb7c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c bi\u1ebfn.<\/p>\n 5. Nghi\u00ean c\u1ee9u theo chi\u1ec1u d\u1ecdc:<\/strong> Theo d\u00f5i m\u1ed9t nh\u00f3m ng\u01b0\u1eddi tham gia trong m\u1ed9t th\u1eddi gian d\u00e0i \u0111\u1ec3 xem x\u00e9t nh\u1eefng thay \u0111\u1ed5i v\u00e0 ph\u00e1t tri\u1ec3n theo th\u1eddi gian.<\/span><\/p>\n 6. Nghi\u00ean c\u1ee9u h\u00e0nh \u0111\u1ed9ng:<\/strong> H\u1ee3p t\u00e1c l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf.<\/span><\/p>\n 7. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m so\u00e1t:<\/strong> So s\u00e1nh c\u00e1c c\u00e1 nh\u00e2n c\u00f3 k\u1ebft qu\u1ea3 (tr\u01b0\u1eddng h\u1ee3p) c\u1ee5 th\u1ec3 v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 k\u1ebft qu\u1ea3 (ki\u1ec3m so\u00e1t) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n ti\u1ec1m \u1ea9n ho\u1eb7c y\u1ebfu t\u1ed1 r\u1ee7i ro.<\/span><\/p>\n 8. Nghi\u00ean c\u1ee9u m\u00f4 t\u1ea3:<\/strong> M\u00f4 t\u1ea3 v\u00e0 t\u00f3m t\u1eaft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m, h\u00e0nh vi ho\u1eb7c m\u00f4 h\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00fang c\u00e1c bi\u1ebfn s\u1ed1.<\/span><\/p>\n 9. Nghi\u00ean c\u1ee9u t\u01b0\u01a1ng quan:<\/strong> Ki\u1ec3m tra m\u1ed1i quan h\u1ec7 gi\u1eefa hai ho\u1eb7c nhi\u1ec1u bi\u1ebfn m\u00e0 kh\u00f4ng suy ra quan h\u1ec7 nh\u00e2n qu\u1ea3.<\/span><\/p>\n 10. L\u00fd thuy\u1ebft c\u00f3 c\u0103n c\u1ee9:<\/strong> M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u1ec3 ph\u00e1t tri\u1ec3n l\u00fd thuy\u1ebft d\u1ef1a tr\u00ean vi\u1ec7c thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, cho ph\u00e9p l\u00fd thuy\u1ebft xu\u1ea5t hi\u1ec7n t\u1eeb d\u1eef li\u1ec7u.<\/span><\/p>\n 11. Kh\u1ea3o s\u00e1t v\u00e0 B\u1ea3ng c\u00e2u h\u1ecfi:<\/strong> Qu\u1ea3n l\u00fd c\u00e1c b\u1ed9 c\u00e2u h\u1ecfi c\u00f3 c\u1ea5u tr\u00fac cho m\u1ed9t nh\u00f3m m\u1eabu \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin c\u1ee5 th\u1ec3.<\/span><\/p>\n 12. Ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p:<\/strong> M\u1ed9t k\u1ef9 thu\u1eadt th\u1ed1ng k\u00ea k\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 c\u1ee7a nhi\u1ec1u nghi\u00ean c\u1ee9u v\u1ec1 c\u00f9ng m\u1ed9t ch\u1ee7 \u0111\u1ec1 \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft lu\u1eadn ch\u1eafc ch\u1eafn h\u01a1n.<\/span><\/p>\n C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u th\u01b0\u1eddng ch\u1ecdn m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u ho\u1eb7c k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u, ngu\u1ed3n l\u1ef1c v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a d\u1eef li\u1ec7u h\u1ecd mu\u1ed1n thu th\u1eadp. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn k\u1ebft qu\u1ea3 v\u00e0 k\u1ebft lu\u1eadn c\u1ee7a nghi\u00ean c\u1ee9u.<\/span><\/p>\n T\u00ecm hi\u1ec3u th\u00eam: Thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u l\u00e0 g\u00ec?<\/a><\/b><\/strong><\/p>\n Ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u bao g\u1ed3m m\u1ed9t quy tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng v\u00e0 c\u00f3 t\u1ed5 ch\u1ee9c, tu\u00e2n theo c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thu th\u1eadp d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 \u00fd ngh\u0129a. Qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n B\u01b0\u1edbc 1. X\u00e1c \u0111\u1ecbnh ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u<\/b><\/p>\n Ch\u1ecdn m\u1ed9t ch\u1ee7 \u0111\u1ec1 nghi\u00ean c\u1ee9u m\u00e0 b\u1ea1n quan t\u00e2m v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi chuy\u00ean m\u00f4n v\u00e0 ngu\u1ed3n l\u1ef1c c\u1ee7a b\u1ea1n. Ph\u00e1t tri\u1ec3n c\u00e1c c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u r\u00f5 r\u00e0ng v\u00e0 t\u1eadp trung m\u00e0 b\u1ea1n mu\u1ed1n tr\u1ea3 l\u1eddi th\u00f4ng qua nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh.<\/span><\/p>\n B\u01b0\u1edbc 2. \u0110\u00e1nh gi\u00e1 nghi\u00ean c\u1ee9u hi\u1ec7n t\u1ea1i<\/b><\/p>\n Ti\u1ebfn h\u00e0nh xem x\u00e9t t\u00e0i li\u1ec7u k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nghi\u00ean c\u1ee9u n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1ec1 ch\u1ee7 \u0111\u1ec1 b\u1ea1n \u0111\u00e3 ch\u1ecdn. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c hi\u1ec7n tr\u1ea1ng ki\u1ebfn \u200b\u200bth\u1ee9c, x\u00e1c \u0111\u1ecbnh nh\u1eefng l\u1ed7 h\u1ed5ng trong t\u00e0i li\u1ec7u v\u00e0 s\u00e0ng l\u1ecdc c\u00e1c c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n.<\/span><\/p>\n B\u01b0\u1edbc 3. Thi\u1ebft k\u1ebf ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/p>\n X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u th\u00edch h\u1ee3p ph\u00f9 h\u1ee3p v\u1edbi c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. Quy\u1ebft \u0111\u1ecbnh xem nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n s\u1ebd l\u00e0 \u0111\u1ecbnh t\u00ednh<\/a> , \u0111\u1ecbnh l\u01b0\u1ee3ng<\/a> hay k\u1ebft h\u1ee3p c\u1ea3 hai (ph\u01b0\u01a1ng ph\u00e1p h\u1ed7n h\u1ee3p). Ngo\u00e0i ra, h\u00e3y ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3o s\u00e1t, ph\u1ecfng v\u1ea5n, th\u00ed nghi\u1ec7m, quan s\u00e1t, v.v.<\/span><\/p>\n B\u01b0\u1edbc 4. Ch\u1ecdn m\u1eabu v\u00e0 ng\u01b0\u1eddi tham gia<\/b><\/p>\n N\u1ebfu nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n c\u00f3 s\u1ef1 tham gia c\u1ee7a con ng\u01b0\u1eddi, h\u00e3y quy\u1ebft \u0111\u1ecbnh c\u1ee1 m\u1eabu v\u00e0 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn. Nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn v\u1ec1 m\u1eb7t \u0111\u1ea1o \u0111\u1ee9c, n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng quy\u1ec1n v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 trong su\u1ed1t qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u.<\/span><\/p>\n B\u01b0\u1edbc 5. B\u1ed9 s\u01b0u t\u1eadp th\u00f4ng tin<\/b><\/p>\n Thu th\u1eadp th\u00f4ng tin v\u00e0 d\u1eef li\u1ec7u d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u b\u1ea1n \u0111\u00e3 ch\u1ecdn. Nghi\u00ean c\u1ee9u \u0111\u1ecbnh t\u00ednh<\/a> c\u00f3 nhi\u1ec1u th\u00f4ng tin tr\u00ed tu\u1ec7 h\u01a1n, trong khi k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ecbnh l\u01b0\u1ee3ng thi\u00ean v\u1ec1 d\u1eef li\u1ec7u h\u01a1n. \u0110\u1ea3m b\u1ea3o r\u1eb1ng quy tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a v\u00e0 nh\u1ea5t qu\u00e1n \u0111\u1ec3 duy tr\u00ec t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a k\u1ebft qu\u1ea3.<\/span><\/p>\n B\u01b0\u1edbc 6. Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/b><\/p>\nNghi\u00ean c\u1ee9u l\u00e0 g\u00ec?<\/h2>\n
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C\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/h2>\n
Quy tr\u00ecnh nghi\u00ean c\u1ee9u: C\u00e1ch ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u<\/h2>\n