Qhov me dua p-tus nqi, qhov muaj zog pov thawj uas koj yuav tsum tsis lees paub qhov kev xav tsis tseeb. Ib qho p-tus nqi tsawg dua 0.05 (feem ntau ≤ 0.05) yog qhov tseem ceeb. … A p-tus nqi siab dua 0.05 (> 0.05) tsis yogqhov tseem ceeb thiab qhia cov pov thawj muaj zog rau qhov kev xav tsis zoo.
Qhov tseem ceeb thiab tsis tseem ceeb txhais li cas hauv kev txheeb cais?
Ib qhov tshwm sim ntawm qhov kev sim tau hais tias muaj qhov tseem ceeb ntawm cov lej, lossis yog qhov tseem ceeb, yog tias nws yuav tsis tshwm sim los ntawm lub caij nyoog rau qib ntsuas qhov tseem ceeb. … Nws kuj txhais tau hais tias muaj yog 5% txoj hauv kev uas koj tuaj yeem yuam kev.
Dab tsi yog qhov tseem ceeb thiab tsis tseem ceeb hauv kev tshawb fawb?
Cov kev tshawb pom tseem ceeb qhia tsis yog tias cov kws tshawb fawb cov txiaj ntsig tsis zoo li qhov tshwm sim ntawm kev muaj hmoo, tab sis kuj muaj qhov cuam tshuam lossis kev sib raug zoo ntawm qhov hloov pauv tau kawm hauv qhov loj dua. pejxeem.
Lub ntsiab lus tsis tseem ceeb yog dab tsi?
: tsis tseem ceeb: xws li. a: insignificant. b:npe. c: muaj los yog yielding tus nqi dag nyob rau hauv kev txwv ntawm qhov variation yog ntaus nqi mus rau lub caij nyoog ib tug nonsignificant kev ntsuam xyuas.
Dab tsi yog qhov txheeb cais tsis tseem ceeb?
Qhov no txhais tau hais tias cov txiaj ntsig tau suav tias yog "cov lej tsis tseem ceeb" yog tias kev tshuaj ntsuam qhia tias qhov sib txawv loj npaum li (lossis loj dua) qhov kev pom qhov sib txawv yuav xav tias yuav tshwm sim los ntawm caij nyoog ntau dua tshaj ib ntawm nees nkaum npaug (p > 0.05).
