Abstract
With a sample of stemmed projectile points, the nonredundant description of archeological characteristics is demonstrated by principal-axes factor analysis. The obtained dimensions of the artifacts are tested for cultural significance by variance techniques. The concept of “culturability,” or c2, is introduced as the total predictable variance of a measurement of an artifact from a knowledge of its location in time and space. Both the psychologically derived factor-analytic model and c2, analagous to the concept of heritability in population genetics, are found to be useful in interpreting archeological data. The use of available programs and high-speed digital computers allows a complete analysis with a small expenditure of time.
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