The Witness Box

Commenting on expert evidence, economic damages, and interesting developments in injury, wrongful death, business torts, discrimination, and wage and hour lawsuits

Monday, November 17, 2008

Convenience v. Random Sampling in Wage and Hour

Convience sampling v. Random sampling:

A convenience sample is a sample where individuals are selected, in part or in whole, at the convenience of the researcher. The researcher makes no attempt, or only a limited attempt, to insure that this sample is an accurate representation of some larger group or population.

The classic example of a convenience sample is standing at a shopping mall and selecting shoppers as they walk by to fill out a survey.

In contrast, a random sample is one where the researcher insures (usually through the use of random numbers applied to a list of the entire population) that each member of that population has an equal probability of being selected.

See how convenience samples can potentiallly help improve a random sample 10498-en.pdf

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