Examlex
For a given confidence level and sample size n,the width of the confidence interval for the population mean is narrower,the greater the population standard deviation σ.
Random Sample
A subset of a statistical population in which each member of the subset has an equal probability of being chosen.
Validity Establishment
The process of demonstrating that an assessment or study measures what it is intended to measure and is applicable for its intended purpose.
Generalization
The process of extending the findings from a study to larger or different populations beyond the original sample.
Participant Pool
The group of individuals from which research participants are selected, crucial for the representativeness and validity of a study.
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