Examlex
Green tea extract is claimed to:
Convenience Sample
A sampling method where participants are selected based on their easy accessibility and proximity to the researcher.
Random Sample
A group of people selected from a broader population, where each person has the same likelihood of being chosen.
Stratified Sample
A sampling technique where the population is divided into subgroups (strata) and samples are drawn from each stratum to ensure representation of the whole population.
Primary Research
The process of gathering original data directly from sources through surveys, interviews, or experiments.
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