Examlex
The simple random sampling method does not guarantee that every member of the population has an equal chance of being selected into the sample;therefore,the resulting sample,no matter what the size,will not be a valid representation of the population.
Elastic
An object or material capable of resuming its normal shape spontaneously after being stretched or compressed.
Wrinkle
Creases, folds, or ridges in the skin, typically resulting from aging, skin damage, or dehydration.
Middle Adulthood
A stage in human development typically ranging from about 40 to 65 years of age, characterized by increased personal and professional responsibilities and awareness of aging.
Crystallized Intelligence
One’s intellectual attainments, as shown, for example, by vocabulary and accumulated knowledge.
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