Examlex
In a two-factor design,there are two separate main effects.
Undercoverage
A bias in survey sampling that occurs when some members of the population are inadequately represented or not included in the sample.
Telephone Survey
A method of collecting data or opinions from a sample of individuals by contacting them through their telephone numbers.
Stay-at-Home Moms
Mothers who choose to stay at home to raise their children, often foregoing paid employment outside the home.
Stratified Sampling
A sampling technique that involves dividing the population into distinct subgroups or strata and randomly selecting samples from each stratum for research purposes.
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