What Is External Validity

question 11

Essay

What is external validity?

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Definitions:

Systematic Sampling

A statistical sampling method where elements are selected from an ordered population using a fixed periodic interval.

Stratified Sampling

A method of sampling that divides the population into distinct layers or strata and then randomly selects samples from each stratum.

Confidence Intervals

A range of values, derived from the sample data, that is believed to contain the true population parameter with a certain level of confidence.

Point Estimate

A single value estimate used to approximate a population parameter, derived from sample data.