Video: Ib qho piv txwv ntawm snowball sampling yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Snowball sampling . Raws li qauv cov tswv cuab tsis raug xaiv los ntawm a kev kuaj ncej, cov qauv snowball muaj ntau yam kev tsis ncaj ncees. Rau piv txwv , cov neeg uas muaj ntau tus phooj ywg yog feem ntau yuav raug recruited rau hauv lub qauv . Thaum siv virtual social networks, ces cov txheej txheem no hu ua virtual snowball sampling.
Hais txog qhov no, dab tsi yog snowball sampling ntaub ntawv tshuaj xyuas?
Thov cov xwm txheej thawj zaug los txheeb xyuas cov xwm txheej ntxiv Nug cov neeg mob tshiab kom txheeb xyuas cov xwm txheej ntxiv thiab ntxiv rau Nres thaum: Snowball sampling Snowball sampling tseem hu ua chain-referral kev kuaj yog ib qho uas tsis yog qhov tshwm sim tsis yog random kev kuaj txoj kev siv thaum cov yam ntxwv yuav tsum muaj los ntawm cov qauv tsis tshua muaj thiab nyuaj nrhiav.
Kuj Paub, puas yog snowball sampling ib hom purposive sampling? Snowball sampling , hauv kev siv dav dav, yog a hom ntawm kev yooj yim qauv . Yog tias koj tab tom sim nrhiav cov neeg uas nyuaj rau txheeb xyuas lossis yuav tsum ua kom tau raws li qee yam kev koom tes, ces snowball sampling tuaj yeem siv los yooj yim sau cov ntaub ntawv. Qhov kev siv snowballing no yog ib hom purposive sampling.
Ua li no, puas yog snowball sampling qualitative lossis quantitative?
Qhov xwm ntawm snowball sampling yog li ntawd, nws tsis tuaj yeem txiav txim siab rau tus neeg sawv cev qauv los yog nyob rau hauv cov ntaub ntawv no rau kev tshawb fawb statistical. Txawm li cas los xij, qhov no kev kuaj txheej txheem tuaj yeem siv dav rau kev coj ua zoo kev tshawb fawb, nrog cov pej xeem uas nyuaj rau nrhiav.
Vim li cas snowball sampling tsis zoo?
Qhov tsis zoo ntawm Snowball Sampling Sawv cev ntawm lub qauv tsis lav. Tus kws tshawb fawb tsis muaj lub tswv yim ntawm qhov tseeb faib ntawm cov pej xeem thiab ntawm cov qauv . Qauv kev tsis ncaj ncees kuj yog kev ntshai ntawm cov kws tshawb fawb thaum siv qhov no kev kuaj txheej txheem. Cov ntsiab lus pib nyiam xaiv cov neeg uas lawv paub zoo.
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