78<\/em>\u00a0(1), 98\u2013104.\u00a0https:\/\/doi.org\/10.1037\/0021-9010.78.1.98<\/u><\/p>\nTr\u00edch d\u1eabn<\/u><\/p>\n
7 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Louie Dasas<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Santo Tomas<\/p>\n
N\u00f3i chung, gi\u00e1 tr\u1ecb ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c s\u1ebd l\u1edbn h\u01a1n 0,70.\u00a0Tuy nhi\u00ean, m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u (Panayides, 2013) b\u00e1o c\u00e1o r\u1eb1ng gi\u00e1 tr\u1ecb alpha r\u1ea5t cao (>0,90) c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 thang \u0111o d\u00e0i, c\u00e1c m\u1ee5c song song, d\u01b0 th\u1eeba m\u1ee5c ho\u1eb7c ph\u1ea1m vi bao ph\u1ee7 h\u1eb9p c\u1ee7a c\u1ea5u tr\u00fac (ho\u1eb7c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y d\u01b0\u1edbi m\u1ee9c).<\/p>\n
\u0110\u00e2y l\u00e0 m\u1ed9t b\u00e0i vi\u1ebft h\u1eefu \u00edch:\u00a0https:\/\/www.ijme.net\/archive\/2\/cronbachs-alpha.pdf<\/u><\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Kenneth Kapalu Muzata<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Zambia<\/p>\n
T\u00f4i ngh\u0129 n\u00f3 ph\u1ea3i l\u00e0 0,7<\/p>\n
HO\u1eb6C<\/p>\n
0,6-0,7<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Fakhar Shahzad<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Giang T\u00f4<\/p>\n
0,70 l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Navjit Singh<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Chandigarh<\/p>\n
b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec tr\u00ean 0,6 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 th\u01b0\u1edbc \u0111o t\u1ed1t.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Laxmi Tirlapur<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc N\u00f4ng nghi\u1ec7p, Dharwad<\/p>\n
>0,65<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Jemal Haidar<\/u><\/p>\n
B\u1ed9 Y t\u1ebf V\u00c0 \u0110\u1ea1i h\u1ecdc Addis Ababa<\/p>\n
<.7<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
Jemal Haidar<\/u>\u00a0, t\u00f4i ngh\u0129 \u00fd b\u1ea1n l\u00e0 > .7, kh\u00f4ng ph\u1ea3i < .7, ph\u1ea3i kh\u00f4ng?<\/p>\n
Ngo\u00e0i ra, nh\u1eefng quy t\u1eafc \u0111\u01a1n gi\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng g\u00ec b\u1ea1n v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi kh\u00e1c \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t, c\u00f3 th\u1ec3 kh\u00e1 sai l\u1ec7ch.\u00a0C\u00f3 m\u1ed9t \u0111i\u1ec1u, s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ec3 ph\u00e2n t\u00edch h\u1ec7 s\u1ed1 alpha c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn k\u1ebft qu\u1ea3.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Jemal Haidar<\/u><\/p>\n
B\u1ed9 Y t\u1ebf V\u00c0 \u0110\u1ea1i h\u1ecdc Addis Ababa<\/p>\n
Xin l\u1ed7i v\u00ec l\u1ed7i \u0111\u00e1nh m\u00e1y v\u00e0 c\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 ch\u1ecdn n\u00f3.\u00a0N\u00f3i chung, 0,7 tr\u1edf l\u00ean l\u00e0 t\u1ed1t, 0,8 l\u00e0 t\u1ed1t h\u01a1n v\u00e0 0,9 tr\u1edf l\u00ean l\u00e0 t\u1ed1t nh\u1ea5t.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
Jemal Haidar<\/u>\u00a0, kh\u00f4ng c\u00f3 g\u00ec – v\u00e0 c\u1ea3m \u01a1n v\u00ec \u0111\u00e3 r\u1ea5t duy\u00ean d\u00e1ng.\u00a0T\u1ea5t c\u1ea3 ch\u00fang ta \u0111\u1ec1u th\u1ec9nh tho\u1ea3ng m\u1eafc ph\u1ea3i nh\u1eefng \u0111i\u1ec1u nh\u1ecf nh\u1eb7t nh\u01b0 v\u1eady.<\/p>\n
Xin h\u00e3y tha th\u1ee9 cho t\u00f4i n\u1ebfu t\u00f4i quay l\u1ea1i v\u00e0 n\u00f3i r\u1eb1ng t\u00f4i ngh\u0129 > 0,90 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng t\u1ed1t nh\u1ea5t.\u00a0Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i, h\u1ec7 s\u1ed1 alpha cao nh\u01b0 v\u1eady cho th\u1ea5y m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u1eadt ph\u1ea9m \u0111ang \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o n\u1ed3i \u0111\u1ec3 ph\u00e2n t\u00edch (v\u00e0 nhi\u1ec1u v\u1eadt ph\u1ea9m trong s\u1ed1 \u0111\u00f3 c\u00f3 th\u1ec3 c\u00f3 \u00edt m\u1ed1i quan h\u1ec7 v\u1edbi nhau) ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c v\u1eadt ph\u1ea9m c\u00f3 li\u00ean quan r\u1ea5t cao r\u1eb1ng ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng d\u01b0 th\u1eeba v\u00e0 do \u0111\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 phong ph\u00fa v\u00e0 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ed9t c\u1ea5u tr\u00fac b\u1ecb khai th\u00e1c.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
5 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
C\u0103n ch\u1ec9nh Tasew<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Madda Walabu<\/p>\n
0,70 tr\u1edf l\u00ean<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Kerry Orr<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Griffith<\/p>\n
> 0,70<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Japheth Mativo Nzioki<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Andrews<\/p>\n
0,7 \u0111\u1ebfn 0,95<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Vladimir Vega Falc\u00f3n<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc khu v\u1ef1c Aut\u00f3noma de los Andes (UNIANDES Ecuador) + \u0110\u1ea1i h\u1ecdc Matanzas “Camilo Cienfuegos”<\/p>\n
Cronbach’s alpha n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 1. Gi\u00e1 tr\u1ecb cao h\u01a1n bi\u1ec3u th\u1ecb t\u00ednh nh\u1ea5t qu\u00e1n n\u1ed9i t\u1ea1i cao h\u01a1n.\u00a0Theo George v\u00e0 Mallery (George D, Mallery, P. SPSS\/PC+ t\u1eebng b\u01b0\u1edbc: H\u01b0\u1edbng d\u1eabn v\u00e0 tham kh\u1ea3o \u0111\u01a1n gi\u1ea3n. Belmont, CA. C\u00f4ng ty xu\u1ea5t b\u1ea3n Wadsworth Hoa K\u1ef3 1995), \u0111\u00e2y l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb c\u1ea7n xem x\u00e9t:<\/p>\n
D\u01b0\u1edbi 0,5 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 tin c\u1eady kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c;<\/p>\n
Gi\u00e1 tr\u1ecb t\u1eeb 0,5 \u0111\u1ebfn 0,6 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ee9c k\u00e9m;<\/p>\n
N\u1ebfu n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,6 \u0111\u1ebfn 0,7 l\u00e0 m\u1ee9c y\u1ebfu;<\/p>\n
T\u1eeb 0,7 \u0111\u1ebfn 0,8 l\u00e0 m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c;<\/p>\n
Trong ph\u1ea1m vi 0,8-0,9, n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ee9c t\u1ed1t;\u00a0V\u00e0<\/p>\n
Gi\u00e1 tr\u1ecb tr\u00ean 0,9 s\u1ebd l\u00e0 tuy\u1ec7t v\u1eddi.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Musa Adekunle Ayanwale<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Johannesburg<\/p>\n
Ch\u1ec9 s\u1ed1 tr\u00ean 0,90 h\u00e0m \u00fd nhi\u1ec1u h\u1ea1ng m\u1ee5c trong thang \u0111o l\u00e0 d\u01b0 th\u1eeba.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Wassim Alexan<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc \u0110\u1ee9c \u1edf Cairo<\/p>\n
B\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o tr\u00ean 0,7 \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.\u00a0T\u1ea5t nhi\u00ean, c\u00e0ng cao c\u00e0ng t\u1ed1t.\u00a0Ch\u1ec9 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u00e1c gi\u00e1 tr\u1ecb tr\u00ean 0,9 c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 kh\u1ea3o s\u00e1t c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ed9 d\u01b0 th\u1eeba \u0111\u00e1ng k\u1ec3.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Horst Treiblmaier<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc MODUL Vienna<\/p>\n
\u0110\u00e2y l\u00e0 m\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn th\u00fa v\u1ecb.\u00a0D\u01b0\u1eddng nh\u01b0 c\u00f3 m\u1ed9t s\u1ed1 th\u1ecfa thu\u1eadn r\u1eb1ng 0,7 ph\u1ea3i l\u00e0 gi\u1edbi h\u1ea1n d\u01b0\u1edbi nh\u01b0ng, nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eefng ng\u01b0\u1eddi kh\u00e1c \u0111\u1ec1 c\u1eadp (v\u00ed d\u1ee5:\u00a0Musa Adekunle Ayanwale\u00a0Robert Trevethan\u00a0Japheth Mativo Nzioki<\/u>\u00a0), ch\u1eafc ch\u1eafn KH\u00d4NG ph\u1ea3i tr\u01b0\u1eddng h\u1ee3p “cao h\u01a1n l\u00e0 t\u1ed1t h\u01a1n”.\u00a0N\u1ebfu b\u1ea1n \u0111ang ti\u1ebfn g\u1ea7n \u0111\u1ebfn 1, \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 c\u00f3 ngh\u0129a l\u00e0 c\u00e1c h\u1ea1ng m\u1ee5c \u0111o l\u01b0\u1eddng c\u1ee7a b\u1ea1n ng\u00e0y c\u00e0ng d\u01b0 th\u1eeba.\u00a0T\u00f4i \u0111\u00e3 th\u1ea3o lu\u1eadn ng\u1eafn g\u1ecdn v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y trong m\u1ed9t b\u00e0i b\u00e1o c\u1ee7a m\u00ecnh (trang 8) v\u00e0 bao g\u1ed3m m\u1ed9t s\u1ed1 ngu\u1ed3n cho nh\u1eefng ai mu\u1ed1n t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n.<\/p>\n
B\u00e0i vi\u1ebft\u00a0\u0110\u01b0a Feyerabend l\u00ean m\u1ed9t t\u1ea7m cao m\u1edbi: V\u1ec1 t\u01b0 duy tuy\u1ebfn t\u00ednh, …<\/u><\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
6 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Japheth Mativo Nzioki<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Andrews<\/p>\n
C\u1ea3m \u01a1n c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u1ea1n Horst Treiblmaiier, nh\u01b0ng t\u00f4i mu\u1ed1n c\u00f3 quan \u0111i\u1ec3m kh\u00e1c v\u1edbi b\u1ea1n trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y.\u00a0Th\u1ed1ng k\u00ea Cronbach Alpha l\u00e0 m\u1ed9t h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan v\u00e0 m\u1ed9t quy t\u1eafc v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan l\u00e0 khi gi\u00e1 tr\u1ecb t\u0103ng l\u00ean 1 th\u00ec \u0111\u1ed9 m\u1ea1nh c\u1ee7a m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c bi\u1ebfn quan t\u00e2m c\u0169ng t\u0103ng l\u00ean.\u00a0Do \u0111\u00f3, +0,95 cho th\u1ea5y m\u1ed1i t\u01b0\u01a1ng quan t\u00edch c\u1ef1c r\u1ea5t m\u1ea1nh.\u00a0Do \u0111\u00f3, +1 s\u1ebd c\u00f3 ngh\u0129a l\u00e0 T\u01b0\u01a1ng quan d\u01b0\u01a1ng ho\u00e0n h\u1ea3o – ngh\u0129a l\u00e0 c\u00e1c m\u1ee5c \u0111ang \u0111o l\u01b0\u1eddng c\u00f9ng m\u1ed9t c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c quan t\u00e2m v\u00e0 \u0111i\u1ec3m tr\u00ean m\u1ed9t m\u1ee5c c\u00f3 kh\u1ea3 n\u0103ng cao d\u1ef1 \u0111o\u00e1n \u0111i\u1ec3m tr\u00ean m\u1ee5c kh\u00e1c.\u00a0-1 s\u1ebd c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t m\u1ed1i t\u01b0\u01a1ng quan ti\u00eau c\u1ef1c ho\u00e0n h\u1ea3o.\u00a0\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao gi\u00e1 tr\u1ecb t\u1ed1i \u01b0u c\u1ee7a th\u1ed1ng k\u00ea alpha l\u00e0 +.\u00a0B\u1ea1n c\u00f3 th\u1ec3 s\u1eeda t\u00f4i b\u1eb1ng s\u1ef1 th\u1eadt n\u1ebfu t\u00f4i sai.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
Japheth Mativo Nzioki<\/u>\u00a0, Horst Treiblmaier c\u00f3 th\u1ec3 s\u1ebd tr\u1ea3 l\u1eddi nh\u1eadn x\u00e9t c\u1ee7a b\u1ea1n, nh\u01b0ng t\u00f4i s\u1ebd n\u00f3i s\u00e2u h\u01a1n tr\u01b0\u1edbc.\u00a0T\u00f4i ngh\u0129 b\u1ea1n \u0111ang nh\u1ea7m l\u1eabn \u00fd ngh\u0129a c\u1ee7a h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan \u0111\u01a1n gi\u1ea3n v\u00e0 h\u1ec7 s\u1ed1 alpha (c\u00e1ch th\u00edch h\u1ee3p h\u01a1n \u0111\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1i m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi g\u1ecdi l\u00e0 Cronbach’s alpha) bi\u1ec3u th\u1ecb.<\/p>\n
T\u00f4i khuy\u1ebfn kh\u00edch b\u1ea1n (v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c) \u0111\u1ecdc \u00edt nh\u1ea5t m\u1ed9t s\u1ed1 \u0111i\u1ec1u sau \u0111\u00e2y:<\/p>\n
Cho, E. (2016).\u00a0L\u00e0m cho \u0111\u1ed9 tin c\u1eady tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady: M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 \u0111\u1ed9 tin c\u1eady.\u00a0Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1ed5 ch\u1ee9c, 19<\/em>\u00a0(4), 651\u2013682.\u00a0https:\/\/doi.org\/10.1177\/1094428116656239<\/u><\/p>\nCho, E., & Kim, S. (2015).\u00a0H\u1ec7 s\u1ed1 Cronbach alpha: \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5.\u00a0Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1ed5 ch\u1ee9c<\/em>\u00a0,\u00a018<\/em>\u00a0(2), 207\u2013230.\u00a0https:\/\/doi.org\/10.1177\/<\/u>\u00a01094428114555994<\/p>\nCortina, JM (1993).\u00a0H\u1ec7 s\u1ed1 alpha l\u00e0 g\u00ec?\u00a0Ki\u1ec3m tra l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng.\u00a0T\u1ea1p ch\u00ed T\u00e2m l\u00fd h\u1ecdc \u1ee8ng d\u1ee5ng<\/em>\u00a0,\u00a078<\/em>\u00a0(1), 98\u2013104.\u00a0https:\/\/doi.org\/10.1037\/0021-9010.78.1.98<\/u><\/p>\nHoekstra, R. Vugteveen, J. Warrens MJ, & Kruyen, PM (2019) M\u1ed9t ph\u00e2n t\u00edch th\u1ef1c nghi\u1ec7m v\u1ec1 nh\u1eefng hi\u1ec3u l\u1ea7m \u0111\u01b0\u1ee3c cho l\u00e0 v\u1ec1 h\u1ec7 s\u1ed1 alpha.\u00a0T\u1ea1p ch\u00ed Qu\u1ed1c t\u1ebf v\u1ec1 Ph\u01b0\u01a1ng ph\u00e1p Nghi\u00ean c\u1ee9u X\u00e3 h\u1ed9i, 22<\/em>\u00a0, 351\u2013364.\u00a0https:\/\/doi.org\/10.1080\/13645579<\/u>\u00a0.2018.1547523<\/p>\nSchmitt, N. (1996).\u00a0S\u1eed d\u1ee5ng v\u00e0 l\u1ea1m d\u1ee5ng h\u1ec7 s\u1ed1 alpha.\u00a0\u0110\u00e1nh gi\u00e1 t\u00e2m l\u00fd, 8<\/em>\u00a0(4), 350\u2013353.\u00a0https:\/\/doi.org\/10.1037\/\/1040-3590.8.4.350<\/u><\/p>\nSijtsma, K. (2009).\u00a0V\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng, l\u1ea1m d\u1ee5ng v\u00e0 t\u00ednh h\u1eefu \u00edch r\u1ea5t h\u1ea1n ch\u1ebf c\u1ee7a Cronbach’s alpha.\u00a0T\u00e2m l\u00fd h\u1ecdc, 74<\/em>\u00a0(1), 107\u2013120.\u00a0https:\/\/doi.org\/10.1007\/s11336-008-9101-0<\/u>\u00a0[C\u00f3 nh\u1eefng b\u00ecnh lu\u1eadn b\u1ed5 sung cho b\u00e0i vi\u1ebft n\u00e0y trong c\u00f9ng s\u1ed1 t\u1ea1p ch\u00ed.]<\/p>\nTaber, KS (2018).\u00a0Vi\u1ec7c s\u1eed d\u1ee5ng Cronbach’s alpha khi ph\u00e1t tri\u1ec3n v\u00e0 b\u00e1o c\u00e1o c\u00e1c c\u00f4ng c\u1ee5 nghi\u00ean c\u1ee9u trong gi\u00e1o d\u1ee5c khoa h\u1ecdc.\u00a0Nghi\u00ean c\u1ee9u v\u1ec1 Gi\u00e1o d\u1ee5c Khoa h\u1ecdc, 48<\/em>\u00a0(6), 1273\u20131296.\u00a0https:\/\/doi.org\/10.1007\/s11165-016-9602-2<\/u><\/p>\nT\u00f4i hy v\u1ecdng \u0111i\u1ec1u \u0111\u00f3 h\u1eefu \u00edch.\u00a0\u0110\u1eb7c bi\u1ec7t, t\u00f4i hy v\u1ecdng nh\u1eefng \u0111i\u1ec1u tr\u00ean s\u1ebd lo\u1ea1i b\u1ecf m\u1ed9t s\u1ed1 l\u00fd do khi\u1ebfn c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u00f4n th\u1edd h\u1ec7 s\u1ed1 alpha \u1edf m\u1ee9c \u0111\u1ed9 th\u01b0\u1eddng th\u1ea5y, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u00e0 \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh m\u00e0 n\u00f3 kh\u00f4ng c\u00f3.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
6 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Maksim Sokolovskii<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Li\u00ean bang B\u1eafc Kavkaz<\/p>\n
Kh\u00f4ng bi\u1ebft Cronbach’s alpha c\u00f3 t\u1ed1t kh\u00f4ng.\u00a0B\u00e2y gi\u1edd t\u00f4i \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t cu\u1ed9c kh\u1ea3o s\u00e1t c\u00f3 ba thang \u0111o v\u00e0 n\u1ebfu t\u00f4i lo\u1ea1i b\u1ecf m\u1ed9t m\u1ee5c, h\u1ec7 s\u1ed1 Cronbach’s alpha c\u1ee7a m\u1ed9t thang \u0111o s\u1ebd t\u0103ng t\u1eeb 0,62 l\u00ean 0,77 v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u00e2m l\u00fd h\u1ecdc kh\u00e1c \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng SEM (CFA) s\u1ebd t\u1ed1t h\u01a1n m\u1ed9t ch\u00fat, nh\u01b0ng PCFI s\u1ebd gi\u1ea3m nh\u1eb9 t\u1eeb 0,807 xu\u1ed1ng 0,803 v\u00e0 PCLOSE s\u1ebd t\u1ec7 h\u01a1n m\u1ed9t ch\u00fat (t\u1eeb 0,940 xu\u1ed1ng 0,943).\u00a0V\u00ec v\u1eady, t\u00f4i kh\u00f4ng ch\u1eafc c\u00f3 n\u00ean lo\u1ea1i b\u1ecf m\u1ee5c n\u00e0y v\u00e0 th\u1eadm ch\u00ed c\u00f2n \u0111\u1ec1 c\u1eadp \u0111\u1ebfn Cronbach’s alpha trong b\u00e0i vi\u1ebft hay kh\u00f4ng.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Vusi Mshayisa<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc C\u00f4ng ngh\u1ec7 Cape Peninsula<\/p>\n
Trong t\u00e0i li\u1ec7u \u0111\u00e3 th\u1eeba nh\u1eadn r\u1eb1ng m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u00e1ng tin c\u1eady n\u1ebfu h\u1ec7 s\u1ed1 Cronbach alpha l\u1edbn h\u01a1n 0,5.\u00a0Gi\u00e1 tr\u1ecb \u0111\u1ed9 tin c\u1eady c\u1ee7a Cronbach’s alpha trong kho\u1ea3ng t\u1eeb \u00b10,41 \u0111\u1ebfn \u00b10,70 \u0111\u1ee7 ti\u00eau chu\u1ea9n cho \u0111\u1ed9 tin c\u1eady v\u1eeba ph\u1ea3i c\u1ee7a thang \u0111o \u0111\u01b0\u1ee3c, trong khi gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n \u00b10,70 cho th\u1ea5y t\u00ednh nh\u1ea5t qu\u00e1n n\u1ed9i t\u1ea1i cao.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
\u00d4i tr\u1eddi \u00f4i t\u00f4i \u00f4i t\u00f4i \u00f4i tr\u1eddi: T\u00f4i nghi ng\u1edd ch\u00fang ta b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t lo\u1ea1t quan ni\u1ec7m ng\u00e2y th\u01a1 m\u1edbi v\u1ec1 h\u1ec7 s\u1ed1 alpha.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
4 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Aqeel Haider<\/u><\/p>\n
KU Leuven<\/p>\n
T\u00f4i ngh\u0129 r\u1eb1ng t\u00f9y theo t\u1eebng l\u0129nh v\u1ef1c m\u00e0 \u0111i\u1ec3m s\u1ed1 n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.\u00a0V\u00ed d\u1ee5, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00f3 nhi\u1ec1u c\u00e1ch m\u00f4 t\u1ea3 \u0111\u1ecbnh t\u00ednh kh\u00e1c nhau \u0111ang \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c nhau s\u1eed d\u1ee5ng nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp trong b\u00e0i vi\u1ebft \u0111\u00ednh k\u00e8m.<\/p>\n
B\u00e0i vi\u1ebft\u00a0S\u1eed d\u1ee5ng Cronbach’s Alpha Khi X\u00e2y d\u1ef1ng v\u00e0 B\u00e1o c\u00e1o B\u00e1o c\u00e1o…<\/u><\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Mohammad A. Tashtoush<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Sohar<\/p>\n
T\u00f4i ngh\u0129 r\u1eb1ng: m\u1ecdi gi\u00e1 tr\u1ecb g\u1ea7n b\u1eb1ng 1 nh\u01b0ng kh\u00f4ng b\u1eb1ng 1<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
Mohammad A. Tashtoush<\/u>\u00a0, xin vui l\u00f2ng tha th\u1ee9 cho t\u00f4i n\u1ebfu t\u00f4i t\u1ecf ra kh\u00f3 h\u00f2a h\u1ee3p, nh\u01b0ng t\u00f4i tin r\u1eb1ng h\u1ec7 s\u1ed1 Cronbach’s alpha (\u0111\u01b0\u1ee3c g\u1ecdi th\u00edch h\u1ee3p h\u01a1n l\u00e0 h\u1ec7 s\u1ed1 alpha) “g\u1ea7n b\u1eb1ng 1” g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn l\u00e0 KH\u00d4NG MONG MU\u1ed0N.<\/p>\n
V\u00e0, d\u1ef1a tr\u00ean \u0111\u1ec1 xu\u1ea5t c\u1ee7a b\u1ea1n v\u1ec1 “b\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o g\u1ea7n b\u1eb1ng 1”, t\u00f4i kh\u00f4ng th\u1ec3 th\u1ea5y b\u1ea5t k\u1ef3 logic n\u00e0o \u0111\u1eb1ng sau vi\u1ec7c b\u1ea1n ch\u1ec9 ra r\u1eb1ng gi\u00e1 tr\u1ecb “b\u1eb1ng 1” s\u1ebd l\u00e0 \u0111i\u1ec1u kh\u00f4ng mong mu\u1ed1n.<\/p>\n
T\u00f4i \u0111\u1ec1 ngh\u1ecb nh\u1eefng ng\u01b0\u1eddi \u0111\u0103ng b\u00e0i l\u00ean ch\u1ee7 \u0111\u1ec1 n\u00e0y n\u00ean c\u1ed1 g\u1eafng \u0111\u1ecdc m\u1ed9t s\u1ed1 b\u00e0i \u0111\u0103ng \u1edf c\u1ea5p \u0111\u1ed9 cao h\u01a1n \u0111\u1ec3 tr\u00e1nh nh\u1eefng quan ni\u1ec7m v\u00e0 \u0111\u1ec1 xu\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 sai l\u1ea7m (ph\u1ed5 bi\u1ebfn) v\u1ec1 h\u1ec7 s\u1ed1 alpha.\u00a0C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o sau \u0111\u00e2y c\u0169ng c\u00f3 th\u1ec3 h\u1eefu \u00edch:<\/p>\n
Cho, E. (2016).\u00a0L\u00e0m cho \u0111\u1ed9 tin c\u1eady tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady: M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 \u0111\u1ed9 tin c\u1eady.\u00a0Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1ed5 ch\u1ee9c, 19<\/em>\u00a0(4), 651\u2013682.\u00a0https:\/\/doi.org\/10.1177\/1094428116656239<\/u><\/p>\nCho, E., & Kim, S. (2015).\u00a0H\u1ec7 s\u1ed1 Cronbach alpha: \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5.\u00a0Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1ed5 ch\u1ee9c<\/em>\u00a0,\u00a018<\/em>\u00a0(2), 207\u2013230.\u00a0https:\/\/doi.org\/10.1177\/<\/u>\u00a01094428114555994<\/p>\nCortina, JM (1993).\u00a0H\u1ec7 s\u1ed1 alpha l\u00e0 g\u00ec?\u00a0Ki\u1ec3m tra l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng.\u00a0T\u1ea1p ch\u00ed T\u00e2m l\u00fd h\u1ecdc \u1ee8ng d\u1ee5ng<\/em>\u00a0,\u00a078<\/em>\u00a0(1), 98\u2013104.\u00a0https:\/\/doi.org\/10.1037\/0021-9010.78.1.98<\/u><\/p>\nHoekstra, R. Vugteveen, J. Warrens MJ, & Kruyen, PM (2019).\u00a0M\u1ed9t ph\u00e2n t\u00edch th\u1ef1c nghi\u1ec7m v\u1ec1 nh\u1eefng hi\u1ec3u l\u1ea7m \u0111\u01b0\u1ee3c cho l\u00e0 c\u1ee7a h\u1ec7 s\u1ed1 alpha.\u00a0T\u1ea1p ch\u00ed Qu\u1ed1c t\u1ebf v\u1ec1 Ph\u01b0\u01a1ng ph\u00e1p Nghi\u00ean c\u1ee9u X\u00e3 h\u1ed9i, 22<\/em>\u00a0, 351\u2013364.\u00a0https:\/\/doi.org\/10.1080\/13645579<\/u>\u00a0.2018.1547523<\/p>\nSchmitt, N. (1996).\u00a0S\u1eed d\u1ee5ng v\u00e0 l\u1ea1m d\u1ee5ng h\u1ec7 s\u1ed1 alpha.\u00a0\u0110\u00e1nh gi\u00e1 t\u00e2m l\u00fd, 8<\/em>\u00a0(4), 350\u2013353.\u00a0https:\/\/doi.org\/10.1037\/\/1040-3590.8.4.350<\/u><\/p>\nSijtsma, K. (2009).\u00a0V\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng, l\u1ea1m d\u1ee5ng v\u00e0 t\u00ednh h\u1eefu \u00edch r\u1ea5t h\u1ea1n ch\u1ebf c\u1ee7a Cronbach’s alpha.\u00a0T\u00e2m l\u00fd h\u1ecdc, 74<\/em>\u00a0(1), 107\u2013120.\u00a0https:\/\/doi.org\/10.1007\/s11336-008-9101-0\u00a0<\/u>[C\u00f3 nh\u1eefng b\u00ecnh lu\u1eadn b\u1ed5 sung cho b\u00e0i vi\u1ebft n\u00e0y trong c\u00f9ng s\u1ed1 t\u1ea1p ch\u00ed.\u00a0<\/em>]<\/p>\nTaber, KS (2018).\u00a0Vi\u1ec7c s\u1eed d\u1ee5ng Cronbach’s alpha khi ph\u00e1t tri\u1ec3n v\u00e0 b\u00e1o c\u00e1o c\u00e1c c\u00f4ng c\u1ee5 nghi\u00ean c\u1ee9u trong gi\u00e1o d\u1ee5c khoa h\u1ecdc.\u00a0Nghi\u00ean c\u1ee9u v\u1ec1 Gi\u00e1o d\u1ee5c Khoa h\u1ecdc, 48<\/em>\u00a0(6), 1273\u20131296.\u00a0https:\/\/doi.org\/10.1007\/s11165-016-9602-2<\/u><\/p>\nTr\u00edch d\u1eabn<\/u><\/p>\n
6 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Morteza Aftabi<\/u><\/p>\n
Xin ch\u00e0o.<\/p>\n
H\u1ec7 s\u1ed1 Cronbach’s alpha ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 0,7.<\/p>\n
Nh\u01b0ng n\u00f3 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho c\u00e1c nghi\u00ean c\u1ee9u t\u1ed5ng h\u1ee3p ch\u1ee9 kh\u00f4ng ph\u1ea3i nghi\u00ean c\u1ee9u ph\u1ea3n \u00e1nh.<\/p>\n
B\u00e0i ki\u1ec3m tra n\u00e0y c\u00f3 t\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i v\u00e0 ng\u00e0y nay hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n
Thay v\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c b\u00e0i ki\u1ec3m tra m\u1edbi \u0111\u00e1ng tin c\u1eady nh\u01b0 MSV, Fornell Larcker, HTMT.<\/p>\n
T\u00f4i khuy\u00ean b\u1ea1n n\u00ean lo\u1ea1i b\u1ecf Cronbach’s alpha.<\/p>\n
C\u1ea3m \u01a1n<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Sarah Lauser<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Albany, \u0110\u1ea1i h\u1ecdc Bang New York<\/p>\n
T\u00f4i nh\u1eadn th\u1ea5y cu\u1ed9c th\u1ea3o lu\u1eadn trong b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi (Taber, 2018) r\u1ea5t d\u1ec5 \u0111\u1ecdc v\u00e0 h\u1eefu \u00edch trong vi\u1ec7c hi\u1ec3u nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o c\u00f3 th\u1ec3 khi\u1ebfn Cronbach’s alpha tr\u1edf th\u00e0nh m\u1ed9t ch\u1ec9 b\u00e1o \u00edt h\u1eefu \u00edch h\u01a1n v\u1ec1 t\u00ednh nh\u1ea5t qu\u00e1n b\u00ean trong v\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0o c\u00f3 th\u1ec3 khi\u1ebfn nh\u00e0 nghi\u00ean c\u1ee9u ch\u1ecdn ng\u01b0\u1ee1ng th\u1ea5p h\u01a1n h\u01a1n m\u1ee9c “ti\u00eau chu\u1ea9n” 0,70 nh\u01b0 \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o trong c\u00e1c nh\u1eadn x\u00e9t kh\u00e1c \u1edf \u0111\u00e2y.<\/p>\n
Taber, KS Vi\u1ec7c s\u1eed d\u1ee5ng Cronbach’s Alpha khi ph\u00e1t tri\u1ec3n v\u00e0 b\u00e1o c\u00e1o c\u00e1c c\u00f4ng c\u1ee5 nghi\u00ean c\u1ee9u trong gi\u00e1o d\u1ee5c khoa h\u1ecdc.\u00a0Res Sci Education\u00a0<\/em>48<\/strong>\u00a0, 1273\u20131296 (2018).\u00a0https:\/\/doi.org\/10.1007\/s11165-016-9602-2<\/u><\/p>\nB\u00e0i vi\u1ebft\u00a0S\u1eed d\u1ee5ng Cronbach’s Alpha Khi X\u00e2y d\u1ef1ng v\u00e0 B\u00e1o c\u00e1o B\u00e1o c\u00e1o…<\/u><\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Morteza Aftabi<\/u><\/p>\n
M\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 thi\u1ebfu Cronbach’s alpha l\u00e0 h\u1ec7 s\u1ed1 omega c\u1ee7a McDonald’s trong ph\u1ea7n m\u1ec1m SPSS, d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh m\u1ed9t chi\u1ec1u.\u00a0\u0110\u1eb7c bi\u1ec7t khi hi\u1ec7p ph\u01b0\u01a1ng sai gi\u1eefa c\u00e1c m\u1ee5c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch g\u1ea7n \u0111\u00fang b\u1eb1ng m\u00f4 h\u00ecnh m\u1ed9t y\u1ebfu t\u1ed1, th\u00ec c\u00f4ng th\u1ee9c h\u1ec7 s\u1ed1 omega ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecbnh ngh\u0129a v\u1ec1 \u0111\u1ed9 tin c\u1eady (HayesDepartment v\u00e0 Coutts, 2020).<\/p>\n
ngu\u1ed3n:<\/p>\n
https:\/\/www.google.com\/url?sa=t&source=web&rct=j&url=https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5965544\/%23:~:text%3DA%2520measure %2520that%2520v\u01b0\u1ee3t qua%2520the,\u0111\u1ed9 tin c\u1eady%2520(McDonald%252C%25201999).&ved=2ahUKEwj019Gi5Lb7AhUFSPEDHVxcCXkQFnoECAwQBQ&usg=AOvVaw1gJ-b2BC9RS0nzyu8JSV-2<\/u><\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Azer Dilanchiev<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Qu\u1ed1c t\u1ebf Bi\u1ec3n \u0110en<\/p>\n
0,7 tr\u1edf l\u00ean l\u00e0 t\u1ef7 l\u1ec7 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c theo\u00a0Nunnally<\/em><\/strong>\u00a0(1978)<\/p>\nTr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Jalal Abdullah<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Salahaddin – Erbil<\/p>\n
trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p 0,6 c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Evan Harrington<\/u><\/p>\n
Tr\u01b0\u1eddng t\u00e2m l\u00fd h\u1ecdc chuy\u00ean nghi\u1ec7p Chicago<\/p>\n
Xin l\u01b0u \u00fd r\u1eb1ng c\u00f4ng th\u1ee9c t\u00ednh Cronbach’s alpha ph\u1ee5 thu\u1ed9c TR\u1ef0C TI\u1ebeP v\u00e0o s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c v\u00e0 phi\u00ean b\u1ea3n “C\u00f4ng th\u1ee9c ti\u00ean tri” Spearman-Brown c\u1ee7a c\u00f9ng c\u00f4ng th\u1ee9c n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c m\u1edbi c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c alpha nh\u1ea5t \u0111\u1ecbnh ( gi\u1ea3 s\u1eed t\u1ea5t c\u1ea3 ch\u00fang \u0111\u1ec1u \u0111\u1ebfn t\u1eeb c\u00f9ng m\u1ed9t nh\u00f3m v\u1eadt ph\u1ea9m c\u00f3 sai s\u1ed1 \u0111o l\u01b0\u1eddng t\u01b0\u01a1ng t\u1ef1).\u00a0Khi s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c c\u1ee7a b\u1ea1n t\u0103ng l\u00ean, c\u1ea5p \u0111\u1ed9 alpha c\u0169ng t\u0103ng theo.\u00a0\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi cho r\u1eb1ng 0,60 alpha c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u00fang v\u1edbi thang \u0111o r\u1ea5t ng\u1eafn, nh\u01b0ng ch\u1eafc ch\u1eafn kh\u00f4ng \u0111\u00fang v\u1edbi thang \u0111o d\u00e0i h\u01a1n.\u00a0Xem Nunnally v\u1ec1 \u0111i\u1ec1u n\u00e0y, ho\u1eb7c v\u0103n b\u1ea3n c\u1ee7a Robinson, Shaver, & Wrightsman, ho\u1eb7c b\u1ea5t k\u1ef3 v\u0103n b\u1ea3n \u0111o l\u01b0\u1eddng t\u00e2m l\u00fd t\u1eed t\u1ebf n\u00e0o.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Evan Harrington<\/u><\/p>\n
Tr\u01b0\u1eddng t\u00e2m l\u00fd h\u1ecdc chuy\u00ean nghi\u1ec7p Chicago<\/p>\n
C\u0169ng c\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u00e1c v\u1eadt ph\u1ea9m l\u00e0 h\u00ecnh \u1ea3nh ph\u1ea3n chi\u1ebfu c\u1ee7a c\u00e1c v\u1eadt ph\u1ea9m tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd t\u0103ng alpha m\u1ed9t c\u00e1ch gi\u1ea3 t\u1ea1o.\u00a0M\u1ed9t thang \u0111o t\u1ed1t c\u00f3 15-30 m\u1ee5c \u0111o l\u01b0\u1eddng c\u00e1c v\u1ea5n \u0111\u1ec1 h\u01a1i kh\u00e1c nhau nh\u01b0ng c\u00f3 li\u00ean quan, c\u00f3 ch\u1ec9 s\u1ed1 alpha cao (b\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o tr\u00ean 0,80 \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ed1t), nh\u01b0ng t\u00f4i c\u0169ng mu\u1ed1n bi\u1ebft r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi kh\u00e1c \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t thang \u0111o cho c\u00e1c lo\u1ea1i m\u1eabu kh\u00e1c nhau v\u00e0 th\u1ea5y t\u01b0\u01a1ng t\u1ef1 m\u1ee9c \u0111\u1ed9 cho Cronbach’s alpha.\u00a0B\u1ea1n c\u0169ng mu\u1ed1n suy ngh\u0129 nhi\u1ec1u v\u1ec1 c\u00e1ch di\u1ec5n \u0111\u1ea1t c\u1ee7a c\u00e1c m\u1ee5c \u0111\u1ec3 tr\u00e1nh nh\u1eefng c\u00e2u h\u1ecfi g\u00e2y hi\u1ec3u l\u1ea7m.\u00a0N\u1ebfu sai s\u1ed1 \u0111o cao h\u01a1n th\u00ec alpha c\u1ee7a b\u1ea1n s\u1ebd gi\u1ea3m v\u00ec c\u00e1c m\u1ee5c \u0111ang \u0111o \u0111o\u00e1n ng\u1eabu nhi\u00ean.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
T\u00f4i \u0111\u1ed3ng \u00fd v\u1edbi hai b\u00e0i \u0111\u0103ng g\u1ea7n \u0111\u00e2y nh\u1ea5t (nh\u1edd c\u00e1c \u00e1p ph\u00edch), nh\u01b0ng t\u00f4i t\u1ef1 h\u1ecfi li\u1ec7u ch\u00fang ta c\u00f3 n\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn “h\u1ec7 s\u1ed1 alpha” thay v\u00ec “Cronbach’s alpha” hay kh\u00f4ng.\u00a0Ngay c\u1ea3 b\u1ea3n th\u00e2n Lee Cronbach c\u0169ng ch\u1ec9 ra r\u1eb1ng alpha kh\u00f4ng ph\u1ea3i l\u00e0 th\u01b0\u1edbc \u0111o\u00a0c\u1ee7a \u00f4ng<\/em>\u00a0– v\u00e0 m\u1ed9t s\u1ed1 b\u00e0i b\u00e1o c\u00f3 nhi\u1ec1u th\u00f4ng tin nh\u1ea5t v\u1ec1 alpha g\u1ecdi n\u00f3 l\u00e0 h\u1ec7 s\u1ed1 alpha.<\/p>\nTr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Sabir Irfan<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Trung t\u00e2m Punjab<\/p>\n
Nunnally (1978) khuy\u1ebfn ngh\u1ecb 0,7 l\u00e0 ti\u00eau chu\u1ea9n m\u1eb7c \u0111\u1ecbnh th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u1ec1 \u0111\u1ed9 tin c\u1eady \u0111\u1ed1i v\u1edbi c\u00e1c thang \u0111o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u c\u01a1 b\u1ea3n v\u00e0 0,8 l\u00e0 \u0111\u1ee7<\/p>\n
Fleiss (1986) x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb t\u1eeb 0,4 \u0111\u1ebfn 0,75 l\u00e0 t\u1ed1t v\u00e0 tr\u00ean 0,75 l\u00e0 tuy\u1ec7t v\u1eddi.<\/p>\n
Cicchetti (1994) x\u00e1c \u0111\u1ecbnh 0,4 \u0111\u1ebfn 0,59 l\u00e0 kh\u00e1, 0,60 \u0111\u1ebfn 0,74 l\u00e0 t\u1ed1t v\u00e0 tr\u00ean 0,75 l\u00e0 xu\u1ea5t s\u1eafc.<\/p>\n
Portney & Watkins (2015), ng\u01b0\u1eddi x\u00e1c \u0111\u1ecbnh c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb 0,5 \u0111\u1ebfn 0,75 l\u00e0 \u201ck\u00e9m \u0111\u1ebfn trung b\u00ecnh\u201d, 0,75 \u0111\u1ebfn 0,9 l\u00e0 \u201ct\u1ed1t\u201d v\u00e0 tr\u00ean 0,9 l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi \u201cc\u00e1c bi\u1ec7n ph\u00e1p l\u00e2m s\u00e0ng\u201d<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
S\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c gi\u00e1 tr\u1ecb h\u1ec7 s\u1ed1 alpha trong b\u00e0i vi\u1ebft tr\u00ean cho th\u1ea5y r\u00f5 r\u00e0ng r\u1eb1ng c\u00e1c quy t\u1eafc kinh nghi\u1ec7m li\u00ean quan \u0111\u1ebfn s\u1ed1 li\u1ec7u \u0111\u00f3 kh\u00f4ng\u00a0\u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch<\/em>\u00a0.\u00a0\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 h\u1ec7 s\u1ed1 alpha b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t.\u00a0V\u00ed d\u1ee5: kh\u00e1 d\u1ec5 d\u00e0ng nh\u1eadn \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb alpha t\u1eeb 0,90 tr\u1edf l\u00ean v\u1edbi 25 m\u1ee5c m\u1eb7c d\u00f9 nhi\u1ec1u m\u1ee5c trong s\u1ed1 \u0111\u00f3 kh\u00f4ng c\u00f3 nhi\u1ec1u li\u00ean k\u1ebft v\u1edbi nhau v\u00e0 ng\u01b0\u1ee3c l\u1ea1i: N\u0103m ho\u1eb7c s\u00e1u m\u1ee5c c\u00f3 th\u1ec3 c\u00f3 li\u00ean quan cao nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 quy t\u1eafc ng\u00f3n tay c\u00e1i s\u1ebd ch\u1ec9 ra l\u00e0 k\u00e9m.<\/p>\nB\u00e0i vi\u1ebft sau \u0111\u00e2y c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y:<\/p>\n
Cortina, JM (1993).\u00a0H\u1ec7 s\u1ed1 alpha l\u00e0 g\u00ec?\u00a0Ki\u1ec3m tra l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng.\u00a0T\u1ea1p ch\u00ed T\u00e2m l\u00fd h\u1ecdc \u1ee8ng d\u1ee5ng<\/em>\u00a0,\u00a078<\/em>\u00a0(1), 98\u2013104.\u00a0https:\/\/doi.org\/10.1037\/0021-9010.78.1.98<\/u><\/p>\n\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i nh\u1eadn ra r\u1eb1ng m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c m\u1ee5c c\u00f3 t\u00ednh d\u01b0 th\u1eeba cao (l\u1eb7p l\u1ea1i) s\u1ebd mang l\u1ea1i h\u1ec7 s\u1ed1 alpha cao.\u00a0Do \u0111\u00f3, gi\u00e1 tr\u1ecb alpha cao kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ch\u1ec9 ra r\u1eb1ng m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c l\u00e0 th\u1ecfa \u0111\u00e1ng.<\/p>\n
V\u1ec1 b\u1ea3n ch\u1ea5t, c\u00f3 nhi\u1ec1u th\u1ee9 li\u00ean quan \u0111\u1ebfn h\u1ec7 s\u1ed1 alpha h\u01a1n l\u00e0 nh\u1eefng g\u00ec b\u1ea1n nh\u00ecn th\u1ea5y!<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
5 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Asma Al Hamed<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Al-Quds<\/p>\n
T\u00f4i ngh\u0129 gi\u00e1 tr\u1ecb t\u1eeb 7 \u0111\u1ebfn 79 \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ed1t v\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Joseph Amailuk<\/u><\/p>\n
Vi\u1ec7n qu\u1ea3n l\u00fd Kenya<\/p>\n
Ph\u1ea1m vi ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady c\u1ee7a th\u1eed nghi\u1ec7m Cronbach’s alpha c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3 c\u1ee7a nghi\u00ean c\u1ee9u.\u00a0Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3i th\u00edch h\u1ec7 s\u1ed1 Cronbach’s alpha:<\/p>\n
\n- N\u00f3i chung, gi\u00e1 tr\u1ecb Cronbach’s alpha tr\u00ean 0,70 \u0111\u01b0\u1ee3c coi l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho h\u1ea7u h\u1ebft c\u00e1c m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u.\u00a0\u0110i\u1ec1u n\u00e0y cho th\u1ea5y m\u1ee9c \u0111\u1ed9 nh\u1ea5t qu\u00e1n n\u1ed9i b\u1ed9 v\u1eeba ph\u1ea3i gi\u1eefa c\u00e1c m\u1ee5c trong b\u00e0i ki\u1ec3m tra.<\/li>\n
- Gi\u00e1 tr\u1ecb Cronbach’s alpha tr\u00ean 0,80 \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ed1t, cho th\u1ea5y m\u1ee9c \u0111\u1ed9 nh\u1ea5t qu\u00e1n n\u1ed9i b\u1ed9 cao.\u00a0\u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng c\u00e1c m\u1ee5c trong b\u00e0i ki\u1ec3m tra c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan cao v\u00e0 \u0111o l\u01b0\u1eddng c\u00f9ng m\u1ed9t c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n.<\/li>\n
- Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00f3 th\u1ec3 mong mu\u1ed1n gi\u00e1 tr\u1ecb Cronbach’s alpha t\u1eeb 0,90 tr\u1edf l\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c bi\u1ec7n ph\u00e1p c\u00f3 \u0111\u1ed9 tin c\u1eady cao ho\u1eb7c khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed1i c\u1ea3nh c\u1ee5 th\u1ec3 c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao (v\u00ed d\u1ee5: \u0111\u00e1nh gi\u00e1 l\u00e2m s\u00e0ng).<\/li>\n
- N\u1ebfu gi\u00e1 tr\u1ecb Cronbach’s alpha d\u01b0\u1edbi 0,70, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 nh\u1ea5t qu\u00e1n b\u00ean trong th\u1ea5p h\u01a1n.\u00a0Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i ki\u1ec3m tra th\u00eam c\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ea1ng m\u1ee5c c\u00f3 v\u1ea5n \u0111\u1ec1 ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m \u0111\u1ed9 tin c\u1eady.<\/li>\n<\/ol>\n
\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 ph\u1ea1m vi ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c c\u1ee7a Cronbach’s alpha ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t c\u00f9ng v\u1edbi b\u1ed1i c\u1ea3nh nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3, b\u1ea3n ch\u1ea5t c\u1ee7a c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a nghi\u00ean c\u1ee9u.\u00a0M\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c ho\u1eb7c nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 c\u00f3 c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t h\u01a1n v\u1ec1 \u0111\u1ed9 tin c\u1eady, trong khi nh\u1eefng l\u0129nh v\u1ef1c ho\u1eb7c nghi\u00ean c\u1ee9u kh\u00e1c c\u00f3 th\u1ec3 c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n ho\u1eb7c c\u00e2n nh\u1eafc kh\u00e1c.<\/p>\n
Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, b\u1ea1n n\u00ean tham kh\u1ea3o \u00fd ki\u1ebfn \u200b\u200bc\u1ee7a c\u1ed1 v\u1ea5n nghi\u00ean c\u1ee9u, \u0111\u1ed3ng nghi\u1ec7p ho\u1eb7c chuy\u00ean gia trong l\u0129nh v\u1ef1c c\u1ee7a b\u1ea1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi Cronbach’s alpha c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.\u00a0H\u1ecd c\u00f3 th\u1ec3 \u0111\u01b0a ra h\u01b0\u1edbng d\u1eabn d\u1ef1a tr\u00ean c\u00e1c chu\u1ea9n m\u1ef1c v\u00e0 k\u1ef3 v\u1ecdng trong l\u0129nh v\u1ef1c c\u1ee7a b\u1ea1n.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
C\u00e1c nh\u00e0 ph\u00e2n t\u00edch th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng 0,7 l\u00e0m gi\u00e1 tr\u1ecb chu\u1ea9n cho h\u1ec7 s\u1ed1 Cronbach’s alpha.\u00a0\u1ede c\u1ea5p \u0111\u1ed9 n\u00e0y v\u00e0 cao h\u01a1n, c\u00e1c h\u1ea1ng m\u1ee5c \u0111\u1ee7 nh\u1ea5t qu\u00e1n \u0111\u1ec3 cho th\u1ea5y th\u01b0\u1edbc \u0111o l\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
Cronbach’s alpha l\u00e0 th\u01b0\u1edbc \u0111o t\u00ednh nh\u1ea5t qu\u00e1n b\u00ean trong c\u1ee7a thang \u0111o v\u00e0 th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 1. Gi\u00e1 tr\u1ecb Cronbach’s alpha c\u00e0ng cao cho th\u1ea5y \u0111\u1ed9 tin c\u1eady c\u1ee7a thang \u0111o c\u00e0ng cao.\u00a0C\u00e1c nh\u00e0 ph\u00e2n t\u00edch th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng 0,7 l\u00e0m gi\u00e1 tr\u1ecb chu\u1ea9n cho h\u1ec7 s\u1ed1 Cronbach’s alpha<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
Nguy\u00ean t\u1eafc chung \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i l\u00e0 h\u1ec7 s\u1ed1 Cronbach’s alpha t\u1eeb 0,7 tr\u1edf l\u00ean cho th\u1ea5y t\u00ednh nh\u1ea5t qu\u00e1n n\u1ed9i b\u1ed9 t\u1ed1t.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
H\u1ec7 s\u1ed1 \u0111\u1ed9 tin c\u1eady Cronbach’s alpha th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 1. Tuy nhi\u00ean, th\u1ef1c t\u1ebf kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n th\u1ea5p h\u01a1n cho h\u1ec7 s\u1ed1 n\u00e0y.\u00a0H\u1ec7 s\u1ed1 Cronbach\u2019s alpha c\u00e0ng g\u1ea7n 1,0 th\u00ec t\u00ednh nh\u1ea5t qu\u00e1n n\u1ed9i t\u1ea1i c\u1ee7a c\u00e1c bi\u1ebfn trong thang \u0111o c\u00e0ng l\u1edbn<\/p>\n
Ngo\u00e0i ra, c\u00e1c nh\u00e0 ph\u00e2n t\u00edch th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng 0,7 l\u00e0m gi\u00e1 tr\u1ecb chu\u1ea9n cho h\u1ec7 s\u1ed1 Cronbach’s alpha.\u00a0\u1ede c\u1ea5p \u0111\u1ed9 n\u00e0y v\u00e0 cao h\u01a1n, c\u00e1c h\u1ea1ng m\u1ee5c \u0111\u1ee7 nh\u1ea5t qu\u00e1n \u0111\u1ec3 cho th\u1ea5y th\u01b0\u1edbc \u0111o l\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
M\u1ed9t quy t\u1eafc \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn chung l\u00e0 Cronbach Alpha t\u1eeb 0,6-0,7 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 tin c\u1eady ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 0,8 tr\u1edf l\u00ean l\u00e0 m\u1ee9c r\u1ea5t t\u1ed1t<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
2 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Chuck A Arize<\/u><\/p>\n
\u0110\u1ea1i h\u1ecdc Th\u01b0\u01a1ng m\u1ea1i-\u0110\u1ea1i h\u1ecdc Texas A&M<\/p>\n
M\u1ed9t quy t\u1eafc chung \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 Cronbach Alpha t\u1eeb 0,6-0,7 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 tin c\u1eady ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 0,8 tr\u1edf l\u00ean l\u00e0 m\u1ee9c r\u1ea5t t\u1ed1t.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
1 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n
Robert Trevethan<\/u><\/p>\n
T\u00e1c gi\u1ea3 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp<\/p>\n
Chuck A Arize<\/u>\u00a0, xin vui l\u00f2ng tha th\u1ee9 cho t\u00f4i n\u1ebfu t\u00f4i c\u00f3 v\u1ebb th\u00f4 l\u1ed7 (\u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u00fd \u0111\u1ecbnh c\u1ee7a t\u00f4i), nh\u01b0ng t\u00f4i t\u1ef1 h\u1ecfi li\u1ec7u b\u1ea1n c\u00f3 c\u00e2n nh\u1eafc vi\u1ec7c kh\u00f4ng \u0111\u00f3ng g\u00f3p nhi\u1ec1u b\u00e0i \u0111\u0103ng cho ch\u1ee7 \u0111\u1ec1 n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n n\u00f3i c\u00f9ng m\u1ed9t \u0111i\u1ec1u v\u00e0 \u1edf m\u1ed9t s\u1ed1 kh\u00eda c\u1ea1nh, g\u00e2y hi\u1ec3u l\u1ea7m b\u1edfi v\u00ec s\u1ef1 \u0111\u01a1n gi\u1ea3n c\u1ee7a ch\u00fang.\u00a0Vi\u1ec7c b\u1ea1n l\u00e0m nh\u01b0 v\u1eady s\u1ebd khi\u1ebfn c\u00e1c b\u00e0i \u0111\u0103ng kh\u00e1c, \u1edf v\u1ecb tr\u00ed cao h\u01a1n trong ch\u1ee7 \u0111\u1ec1 n\u00e0y, ph\u1ee9c t\u1ea1p v\u00e0 nhi\u1ec1u th\u00f4ng tin h\u01a1n, \u00edt c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c nh\u1eefng ng\u01b0\u1eddi t\u00ecm ki\u1ebfm th\u00f4ng tin v\u1ec1 h\u1ec7 s\u1ed1 alpha truy c\u1eadp h\u01a1n.<\/p>\n
Tr\u00edch d\u1eabn<\/u><\/p>\n
3 khuy\u1ebfn ngh\u1ecb<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Danilo Rogayan Jr. Hi\u1ec7u tr\u01b0\u1edfng \u0110\u1ea1i h\u1ecdc bang Ramon Magsaysay Ph\u1ea1m vi ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho th\u1eed nghi\u1ec7m \u0111\u1ed9 tin c\u1eady c\u1ee7a Cronbach alpha l\u00e0 g\u00ec?… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-29608","post","type-post","status-publish","format-standard","hentry","category-thao-luan-dinh-luong"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=29608"}],"version-history":[{"count":2,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29608\/revisions"}],"predecessor-version":[{"id":29613,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29608\/revisions\/29613"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=29608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=29608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=29608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}