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Process / pipelineSampling

Njia ya kukusanya sampuli kwa njia ya mpira wa theluji — Njia ya kukusanya sampuli kwa kurejeleana

Njia ya kukusanya sampuli kwa njia ya mpira wa theluji ni mbinu ya uandikishaji isiyo ya uwezekano ambapo washiriki wa awali (mbegu) humrejelea mtafiti kwa wengine wanaokidhi vigezo vya utafiti, na marejeleo hayo kwa upande wao huwarejelea washiriki zaidi. Sampuli huongezeka hatua kwa hatua — kama mpira wa theluji unaoviringishwa — hadi ukubwa unaohitajika au kujaa kwa nadharia kufikiwa. Ni njia ya kuchagua wakati idadi ya watu wanaolengwa haina mfumo wa sampuli unaopatikana, kama vile wahamiaji wasio na hati rasmi, watumiaji wa dawa za kulevya haramu, waathirika wa uzoefu wenye aibu, au wanachama wa mitandao ya kitaaluma iliyofungwa.

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Vyanzo

  1. Goodman, L. A. (1961). Snowball sampling. Annals of Mathematical Statistics, 32(1), 148–170. DOI: 10.1214/aoms/1177705148
  2. Biernacki, P., & Waldorf, D. (1981). Snowball sampling: Problems and techniques of chain referral sampling. Sociological Methods and Research, 10(2), 141–163. DOI: 10.1177/004912418101000205

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Snowball Sampling (Chain-Referral Sampling). ScholarGate. https://scholargate.app/sw/survey-methodology/snowball-sampling

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Imerejelewa na

ScholarGateSnowball Sampling (Snowball Sampling (Chain-Referral Sampling)). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/survey-methodology/snowball-sampling · Seti ya data: https://doi.org/10.5281/zenodo.20539026