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Robinson's Coefficient of Agreement—A Critique

Published online by Cambridge University Press:  25 January 2017

Donald J. Lehmer
Donald J. Lehmer*
Affiliation:
MRBS, Smithsonian Institution, Lincoln, Nebraska
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Extract

Despite a firm conviction that statistical analyses have a definite place in archaeological interpretations, I want to register a protest against the Coefficient of Agreement proposed by W. S. Robinson (American Antiquity, Vol. 16, No. 4, pp. 293-301, 1951). Robinson's coefficient is offered as a measure of the degree of similarity between two collections of sherd material. It is arrived at by adding the differences between the percentages of each type of sherd in the two collections and subtracting this sum from 200.

Type
Facts and Comments
Information
American Antiquity , Volume 17 , Issue 2 , October 1951 , pp. 151
Copyright
Copyright © The Society for American Archaeology 1951

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