Examlex
List six nutritional risks in pregnancy.
Representative Sample
A sample that mirrors the population of interest; it includes important subgroups in the same proportions as they are found in that population.
Selective Sample
A subset of a population chosen for a study because it represents a larger group on some criteria, but it might not fully represent the entire population due to the selection process.
Biased Sample
A non-representative sample that does not accurately reflect the demographics or characteristics of the larger population.
Case Study
is a detailed examination of a particular case (such as a person, group, or event) over a period of time, often used in social, psychological, or educational research.
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