Discuss the Difference Between Validity and Reliability When Making Measurements

question 36

Essay

Discuss the difference between validity and reliability when making measurements. Give an example of each.
a. Select two probability sampling techniques and explain why each is an example of probability. Give an example of a research project that would be appropriate for each sampling technique.
b. Select two non-probability sampling techniques and explain why each is an example. Give an example of a research project that would be appropriate for each sampling technique.

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Definitions:

Kingsley Davis

A prominent American sociologist and demographer known for his theories on population and societal development.

Universal

pertains to something that is applicable everywhere or in all cases; a concept, condition, or idea that is globally accepted.

Functionally Necessary

Pertains to elements or processes essential for the operation or survival of a system.

High Rank Positions

Statuses or roles within an organizational or societal hierarchy that carry significant influence, power, or authority.