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Articles 511 - 512 of 512

Full-Text Articles in Marketing

Sampling Concepts, Paul Boyd, Ph.D. Jan 2002

Sampling Concepts, Paul Boyd, Ph.D.

MBA Faculty Conference Papers & Journal Articles

The usefulness of any research is dependent upon how well the group studied represents the group about which decisions are to be made or conclusions drawn. That is, it depends upon how well the sample reflects relevant characteristics of the population. When it is possible to study every member of that group there is no problem, for on these occasions we can easily calculate the exact attribute (parameter) of interest for our population.

For example, if we were interested in determining the average number of gallons of gasoline sold to customers at our service station yesterday, we …


Origins And Development Of The Product Life Cycle Concept, Gregory E. Osland Jan 1991

Origins And Development Of The Product Life Cycle Concept, Gregory E. Osland

Scholarship and Professional Work - Business

Underpinnings and recognition of the product life cycle concept are found in the writings of sociologists, anthropologists, economists, and marketers of the last two centuries. The fashion cycle and advertising spiral are antecedents of the well-known graphic form of the PLC that has been discussed for the last forty years.