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| Main Author: | |
|---|---|
| Format: | Recurso educativo Open Access |
| Language: | en |
| Published: |
1974
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| Subjects: | |
| Online Access: | https://eric.ed.gov/?id=EJ104528 |
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Table of Contents:
- Reference Question Sampling Halperin, Michael Data Collection Library Services Library Surveys Reference Services Sampling Statistical Studies Presents a method for determining the number of days on which questions must be counted in order to achieve a given precision and confidence in reference statistics. (Author/PF)