Examlex
An integrated understanding of successful aging in terms of appropriate nutrition, family support, and an optimistic outlook is most clearly provided by
Probability Samples
A sampling method in statistical analysis where each member of the population has a known, non-zero chance of being selected for the sample.
Chance Selection
A method of selection that relies on random outcomes where each option has an equal chance of being chosen.
Research Group
A team of experts conducting studies and investigations in a particular field of knowledge.
Wikipedia
An online free encyclopedia, created and edited by volunteers around the world, hosting information on a vast array of topics.
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