Cov kev tshawb fawb pab pawg puas ntseeg tau?

Cov txheej txheem:

Cov kev tshawb fawb pab pawg puas ntseeg tau?
Cov kev tshawb fawb pab pawg puas ntseeg tau?
Anonim

Cov kev tshawb fawb yav tom ntej yog xav tias yuav ua rau muaj txiaj ntsig zoo tshaj plaws hauv kev soj ntsuam kab mob sib kis. Lawv ua kom muaj ntau yam kev sib raug zoo-kab mob los kawm. Qee cov kev tshawb fawb pab pawg taug qab pab pawg menyuam yaus txij thaum yug los, thiab sau ntau yam ntaub ntawv (exposures) txog lawv.

Vim li cas kev kawm pawg ntseeg ntseeg tau?

Cov kev tshawb fawb yav tom ntej tau ua los ntawm lub sijhawm tam sim no mus rau yav tom ntej, thiab yog li lawv muaj qhov zoo ntawm ua qhov tseeb txog cov ntaub ntawv sau txog kev nthuav tawm, cov ntsiab lus kawg, thiab cov neeg tsis sib haum.

Dab tsi yog qhov tsis zoo ntawm kev kawm hauv pawg?

Disadvantages of Prospective Cohort Studies

  • Tej zaum koj yuav tau ua raws ntau yam kev kawm ntev.
  • Nyob tau kim heev thiab siv sij hawm.
  • Lawv tsis zoo rau cov kab mob tsawg.
  • Lawv tsis zoo rau cov kab mob nrog lub sijhawm ntev.
  • Differential poob rau kev taug qab tuaj yeem qhia kev tsis ncaj ncees.

Puas yog cov ntaub ntawv pov thawj kev tshawb fawb raws li?

Vim tias raug txheeb xyuas ua ntej qhov tshwm sim, cov kev tshawb fawb sib koom ua ke muaj lub hauv paus rau kev ntsuam xyuas kev ua txhaum caithiab yog li muaj peev xwm muab cov pov thawj kev tshawb fawb muaj zog tshaj plaws.

Puas yog kev kawm sib cais?

Qhov muaj peev xwm ntawm kev tsis ncaj ncees hauv cov kev tshawb fawb hauv pawg

Ib qhov chaw loj ntawm kev tsis ncaj ncees hauv kev tshawb fawb pawg yog vim poob rau kev ua raws. Cov tswv cuab hauv pawg tuaj yeemtuag, tsiv teb tsaws chaw, hloov txoj haujlwm lossis tsis kam koom nrog hauv txoj kev kawm ntxiv. Tsis tas li ntawd, kev poob rau kev taug qab yuav cuam tshuam txog qhov tshwm sim, qhov tshwm sim lossis ob qho tib si.

Pom zoo:

Nthuav cov khoom
Daim ntawv teev cov neeg them nyiaj tsis txaus yog dab tsi?
Nyeem ntxiv

Daim ntawv teev cov neeg them nyiaj tsis txaus yog dab tsi?

Cov neeg them nyiaj tsis txaus yog suav tias yog cov tib neeg raws li txoj cai them nyiaj yug menyuam, tab sis leej twg tsis tau them rau lub hlis dhau los. Cov niam txiv uas tau teev tseg hauv qab no tau khiav tawm tag nrho lub tuam tsev kev siv zog los sau cov ntawv txiav txim hauv tsev hais plaub.

Lub sijhawm yug me nyuam kev txawj ntse?
Nyeem ntxiv

Lub sijhawm yug me nyuam kev txawj ntse?

Ib txhia feem ntau paub ua rau kev tsis taus kev txawj ntse - xws li Down Syndrome, fetal alcohol syndrome, fragile X syndrome, caj ces, kev yug me nyuam, thiab kab mob - tshwm sim ua ntej yug.. Lwm yam tshwm sim thaum tus me nyuam yug los los sai tom qab yug me nyuam.

Dromos sawv cev rau dab tsi?
Nyeem ntxiv

Dromos sawv cev rau dab tsi?

noun, plural drom·oi [drom-oi, droh-moi]. Archaeology. ib tug passageway mus rau lub ancient subterranean qhov ntxa. ib tug racetrack nyob rau hauv ancient Greece. Dromos txhais li cas? Greek dromos, racecourse, course, public walk.