Cov txheej txheem:
- Puas kev kawm pab pawg muaj kev sib tw?
- Puas yog kev tshawb fawb pawg randomized tswj kev sim?
- Puas muaj qhov sib txawv uas tshwm sim hauv kev kawm pawg muaj lossis tsis yog?
- Cov kev tshawb fawb pab pawg puas siv txoj haujlwm random?
Video: Cov kev tshawb fawb pab pawg puas siv randomization?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Ib txoj kev tshawb fawb yog ib qho kev soj ntsuam uas tus kws tshawb fawb soj ntsuam cov xwm txheej thiab tsis tswj lawv. Hauv luv luv, Yog tias koj xav ua pov thawj qhov kev sib raug zoo ntawm kev kho mob thiab qhov tshwm sim, siv qhov kev sim ntsuas randomized. Yog tias randomization tsis yog kev coj ncaj ncees lossis ua tau, kev kawm pawg yog koj qhov kev xaiv thib ob.
Puas kev kawm pab pawg muaj kev sib tw?
Randomized controlled trials (RCT) yog suav tias yog qhov zoo tshaj plaws, txoj kev nruj tshaj plaws ntawm kev tshawb xyuas cov tshuaj tiv thaiv, xws li cov tshuaj tshiab, tab sis nws tsis tuaj yeem siv los kuaj seb qhov ua rau muaj kab mob. Cov kev tshawb fawb hauv pawg yog kev soj ntsuam Cov kws tshawb fawb soj ntsuam qhov tshwm sim yam tsis muaj kev cuam tshuam.
Puas yog kev tshawb fawb pawg randomized tswj kev sim?
Nco ntsoov tias kev kawm sib koom ua ke zoo ib yam li RCT tshwj tsis yog tias kev cuam tshuam hauv RCT yog tus kws tshawb nrhiav tswj hwm, thaum kev cuam tshuam hauv kev tshawb fawb pawg yog qhov tshwm sim tshwm sim. Hauv kev tshawb fawb pawg, nws tau xav tias qhov kev kawm thaum pib ntawm txoj kev kawm yog "tsis muaj kab mob" ntawm qhov txiaj ntsig ntawm kev txaus siab.
Puas muaj qhov sib txawv uas tshwm sim hauv kev kawm pawg muaj lossis tsis yog?
Kev sib piv nrog RCT, hauv kev tshawb fawb hauv pawg no raug tsis raug cai. Hloov chaw, qhov xwm txheej raug kis tau los ntawm lub caij nyoog (xws li genetic polymorphisms) lossis los ntawm kev xaiv (xws li haus luam yeeb).
Cov kev tshawb fawb pab pawg puas siv txoj haujlwm random?
Peb yuav pom tias kev cuam tshuam kev tshawb fawb nrog coob tus ntawm cov ntsiab lus random muab rau ob lossis ntau pab pawg kho mob (tshwj xeeb) feem ntau tuaj yeem ua tiav qhov no kom cov pab pawg raug muab sib piv muaj qhov sib luag ntawm hnub nyoog, kev sib deev, kev haus luam yeeb, kev tawm dag zog lub cev, thiab lwm yam, tab sis random assignment tsis tshwm sim nyob rau hauv kev tshawb fawb cohort
Pom zoo:
Puas siv randomization hauv kev tshawb fawb yog li cas?
Randomization raws li ib txoj hauv kev tswj kev sim tau siv dav hauv tib neeg kev sim tshuaj thiab lwm yam kev sim tshuaj lom neeg. Nws tiv thaiv kev xaiv tsis ncaj ncees thiab pov hwm tawm tsam kev tsis ncaj nceesNws tsim cov pab pawg sib piv thiab tshem tawm qhov kev tsis ncaj ncees hauv kev kho mob .
Puas yog kev tshawb fawb zoo tshawb nrhiav cov teeb meem rhiab?
Cov kws tshawb fawb zoo yuav ntsib cov xwm txheej nyuaj lossis cov ntaub ntawv cuam tshuam thoob plaws hauv lawv qhov kev tshawb fawb txog cov ncauj lus rhiab lossis nrog pab pawg tsis muaj qab hau. Txog niaj hnub no, kev tshawb fawb me me tau tshawb nrhiav qhov teeb meem no hla ntau yam kev qhuab qhia hauv zej zog lossis nrog cov kws tshawb fawb ntawm cov ntsiab lus sib txawv ntawm lawv txoj haujlwm tshawb fawb .
Thaum tsim cov lus nug tshawb fawb tus kws tshawb fawb yuav tsum?
Teb: Thaum tsim cov lus nug tshawb fawb, tus kws tshawb fawb yuav tsum sau ib lo lus nug uas muaj cov lus teb tsis tau txiav txim siab. Kev piav qhia: Hauv lwm lo lus, yuav tsum muaj laj thawj los ua koj qhov kev tshawb fawb . Cov lus nug tshawb fawb yog dab tsi?
Puas yog kev tshawb fawb tshawb fawb?
Kev tshawb fawb yog ib feem tseem ceeb ntawm txhua yam kev lag luam lossis kev lag luam zoo. … Thaum nws los txog rau kev tshawb fawb online, qhov piv txwv feem ntau ntawm kev tshawb fawb tshawb fawb tshwm sim nyob rau hauv daim ntawv ntawm cov lus nug qhib .
Cov kws tshawb fawb twg tau koom nrog hauv kev tshawb pom kev vam meej haappan?
Harappa tau pom thawj zaug los ntawm Tus kws tshawb fawb Askiv Askiv Sir Alexander Cunningham thaum khawb hauv xyoo 1872 . Leej twg pom Harappan kev vam meej? thawj qhov kev khawb av loj ntawm Harappa tau pib los ntawm Rai Bahadur Daya Ram Sahni hauv xyoo 1920.
