Cov txheej txheem:
- Thaum twg peb tuaj yeem lees txais qhov kev xav tsis tseeb?
- Thaum null hypothesis raug lees txais ces qhov tshwm sim tau hais tias yog?
- Yuav ua li cas koj lees txais qhov kev xav tsis zoo hauv kev sim?
- Thaum twg koj tuaj yeem hais tias qhov kev xav tsis tseeb yog tsis lees paub lossis lees txais?
Video: Thaum tsis lees txais qhov kev xav tsis zoo?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev lees txais qhov kev xav tsis tseeb yuav qhia tias koj tau ua pov thawj tsis muaj txiaj ntsig. Raws li koj tau pom, qhov ntawd tsis yog qhov tseeb. Koj tsis tuaj yeem ua pov thawj qhov tsis zoo! Hloov chaw, lub zog ntawm koj cov pov thawj poob qis ntawm kev tsis lees paub qhov null.
Thaum twg peb tuaj yeem lees txais qhov kev xav tsis tseeb?
Txhawb lossis tsis lees paub qhov kev xav tsis zoo? Yog tias P-tus nqi tsawg dua, tsis lees txais qhov kev xav tsis tseeb. Yog tias P-tus nqi ntau dua, khaws qhov kev xav tsis tseeb. 0.003 < 0.05, yog li peb muaj pov thawj txaus los tsis lees paub qhov kev xav tsis tseeb thiab lees txais qhov kev thov.
Thaum null hypothesis raug lees txais ces qhov tshwm sim tau hais tias yog?
Nyob rau hauv qhov kev ntsuam xyuas null, qhov kev ntsuas no hu ua α (alpha) thiab yuav luag txhua zaus teem rau.05. Yog tias muaj tsawg dua 5% qhov tshwm sim ntawm qhov tshwm sim hnyav raws li qhov piv txwv tshwm sim yog tias qhov kev xav tsis zoo yog qhov tseeb, ces qhov kev xav tsis tseeb yog tsis lees paub. Thaum qhov no tshwm sim, qhov tshwm sim tau hais tias yog statistically tseem ceeb.
Yuav ua li cas koj lees txais qhov kev xav tsis zoo hauv kev sim?
Yog tus tus nqi tseeb ntawm t-tus nqi ntau dua li tus nqi tseem ceeb, koj tsis lees paub qhov kev xav tsis tseeb. Yog tias tus nqi tiag tiag ntawm t-tus nqi tsawg dua tus nqi tseem ceeb, koj tsis lees paub qhov kev xav tsis tseeb.
Thaum twg koj tuaj yeem hais tias qhov kev xav tsis tseeb yog tsis lees paub lossis lees txais?
Cia peb rov qab thaum kawg rau lo lus nug ntawm seb peb puas lees txais lossis tsis lees txais qhov kev xav tsis tseeb. Yog tias peb qhov kev txheeb cais qhia tau tias qhov tseem ceeb ntawm qib qis dua tus nqi txiav tawm uas peb tau teeb tsa (xws li, txawm tias 0.05 lossis 0.01), peb tsis lees txais qhov kev xav tsis zoo thiab lees txais lwm qhov kev xav.
Pom zoo:
Txoj kev tswj kev tsis sib haum xeeb twg yog qhov tsis lees paub thiab tsis koom tes?
Kev zam yog qhov tsis lees paub thiab tsis koom tes. Thaum zam txim, tus neeg ntawd tsis ua raws li nws qhov kev txhawj xeeb lossis lwm tus neeg . Yuav ua li cas txhawm rau tswj kev tsis sib haum xeeb? Tus qauv haum yog qhov sib txawv ntawm kev sib tw thiab nws daws qhov tsis sib haum xeeb los ntawm kev muab rau tus neeg tawm tsam.
Thaum tsis lees paub qhov kev xav tsis tseeb p tus nqi?
Yog p-tus nqi tsawg dua 0.05, peb tsis lees paub qhov kev xav tsis tseeb uas tsis muaj qhov txawv ntawm qhov txhais tau tias thiab xaus tias qhov sib txawv tseem ceeb muaj nyob. Yog tias p-tus nqi loj dua 0.05, peb tsis tuaj yeem xaus tias muaj qhov sib txawv tseem ceeb .
Kuv puas yuav lees txais lossis tsis lees yuav tus vajntxwv uas tsis muaj hnub tuag?
Yog koj tsis kam - koj tawm tsam nws, yog koj lees txais koj tuaj yeem hla nws, lossis tseem tuaj yeem tawm tsam nws yog tias koj nrog nws tham dua. P.S. Koj tuaj yeem sim tua nws thiab yog tias koj ua tsis tau tsuas yog hla . Yuav ua li cas yog tias koj tsis kam ua vajntxwv uas tsis muaj hnub tuag?
Cov kev qhuab qhia twg yog qhov kev xav txog kev xav ntawm cov niam txiv kev txawj ntse?
Psychology cov niam txiv kev txawj ntse yog cov kev qhuab qhia ntawm philosophy thiab physiology. Ib qho kev tshawb fawb tshiab tau yug los vim tias Philosophers thiab physiologists tau xav txog seb lub siab thiab lub cev cuam tshuam li cas.
Koj puas lees txais qhov kev xav tsis tseeb?
Null hypothesis yeej tsis lees txais Peb tsis lees txais lossis tsis lees txais lawv. Qhov sib txawv ntawm "kev lees paub" thiab "tsis lees paub" yog qhov nkag siab zoo tshaj plaws nyob rau hauv cov nqe lus ntawm kev ntseeg siab.
