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Download full textGoldring, Rebecca; Taie, Soheyla – National Center for Education Statistics, 2014
This report presents selected findings from the Public School Principal Status and Private School Principal Status Data Files of the 2012-13 Principal Follow-up Survey (PFS). The PFS is a nationally representative sample survey of public and private K-12 schools in the 50 states and District of Columbia and was initiated to inform discussions and…
Descriptors: Principals, Occupational Mobility, Labor Turnover, Surveys
The Maximal Value of a Zipf Size Variable: Sampling Properties and Relationship to Other Parameters.
Peer reviewedTague, Jean; Nicholls, Paul – Information Processing and Management, 1987
Examines relationships among the parameters of the Zipf size-frequency distribution as well as its sampling properties. Highlights include its importance in bibliometrics, tables for the sampling distribution of the maximal value of a finite Zipf distribution, and an approximation formula for confidence intervals. (Author/LRW)
Descriptors: Bibliometrics, Least Squares Statistics, Mathematical Models, Research Methodology
Peer reviewedClark, Philip M. – Library and Information Science Research, An International Journal, 1984
Describes three methods of sample size determination, each having its use in investigation of social science problems: Attribute method; Continuous Variable method; Galtung's Cell Size method. Statistical generalization, benefits of cell size method (ease of use, trivariate analysis and trichotyomized variables), and choice of method are…
Descriptors: Comparative Analysis, Library Research, Research Methodology, Sample Size
Peer reviewedDoll, Carol A. – Library Quarterly, 1984
Overlap (two libraries own same title) and duplication (one library has more than one copy) in children's collections of books and audiovisual materials were measured. It was found that there was less overlap between two school libraries than between a school library and a public library. Six references are cited. (EJS)
Descriptors: Children, Comparative Analysis, Elementary Education, Hypothesis Testing
Peer reviewedGreenwood, Larry; McKean, Harlley – Journal of Academic Librarianship, 1985
An ongoing, multiphased project to measure and reduce book loss due to theft was instituted in the main library at the University of Kentucky. Though book loss was significantly reduced, the issue of whether an electronic security system is more effective than a manual checking procedure remains unresolved. (6 references) (EJS)
Descriptors: Alarm Systems, College Libraries, Comparative Analysis, Crime Prevention
