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Use Studies | 2 |
College Libraries | 1 |
Data Collection | 1 |
Library Circulation | 1 |
Library Research | 1 |
Periodicals | 1 |
Physics | 1 |
Probability | 1 |
Research Libraries | 1 |
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Chen, Ching-Chih | 2 |
Morse, Philip M. | 1 |
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Chen, Ching-Chih – Journal of the American Society for Information Science, 1972
The findings of this investigation are based upon an analysis of actual use data recorded from all volumes and issues left by library users on study tables and on trucks in the photocopy area. (27 references) (Author/SJ)
Descriptors: College Libraries, Periodicals, Physics, Research Libraries

Morse, Philip M.; Chen, Ching-Chih – Library Quarterly, 1975
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