Non - Probability Sampling Procedures Flashcards
wherein the researcher gathers data from nearby sources of information exerting minimal effort.
Convenience sampling
——— is being used by persons giving
questionnaires on the streets to ask the passers-by.
Convenience sampling
or chain-referral sampling is defined as a non- probability sampling technique in which the samples have traits that are rare to find.
Snowball sampling
This is a sampling technique, in which existing subjects provide referrals to recruit samples required for a research study.
Snowball sampling
, sample units are picked for convenience but certain quotas are given to interviewers.
Quota Sampling
This design is specially used in market research.
Quota Sampling
Researchers choose these individuals according to specific traits or qualities.
Quota Sampling
sample units are volunteers in studies wherein the measuring process is painful or troublesome to a respondent.
Volunteer Sampling
sometimes called judgmental or subjective sampling employs a procedure in which sample are chosen for special purpose.
Purposive Sampling