Using Circulation Desk Data to Obtain Unbiased Estimates of Book Use.

Morse, Philip M.; Chen, Ching-Chih

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Peer reviewed

ERIC Number: EJ117901

Record Type: CIJE

Publication Date: 1975

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Using Circulation Desk Data to Obtain Unbiased Estimates of Book Use

Morse, Philip M.; Chen, Ching-Chih

Library Quarterly, 45, 2, 179-94, Apr 75

Shows how simple probability theory can serve to remove the bias from a sample so that estimates of total yearly circulation and circulation distribution can be calculated from circulation desk data. (Author/PF)

Descriptors: Data Collection, Library Circulation, Library Research, Probability, Use Studies

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