Presents a model of the relation between the circulation at a large library, the collection at that library, and the size of the user population. Analysis of data at United States academic research libraries reveals a square-root law describing this relation. Explores theoretical foundations and speculates on bibliometric implications. (Author/AEF)

Examined effect of accounting for exposure (incarceration) time on arrest rate of 272 paroled serious offenders followed through age 33. Analysis without exposure time adjustments suggested that over 92 percent exhibited highest arrest activity in late teens and early 20s. Adjusted for exposure time, about 72 percent showed a decline in arrest…

The possibility of differential sex proportions as a confounding factor in the Lovaas (1987) study is raised. It is argued that the chi-square analysis was inadequate and that the appropriate comparison should be made between the experimental and the control group using population data to estimate expected cell frequencies. (Author/CR)

Explains tendencies and difficulties experienced by students aged 14 through 17 years during an activity involving measurement in physics. Surveys these tendencies and difficulties through clinical interviews involving data collection, data processing, and data interpretation. Contains 17 references. (DDR)

Presents an instrument designed as a profile of teacher achievement and teacher needs with regard to the probability and statistics strands in the mathematics curriculum. Discusses uses for the instrument and further development possibilities. (MM)

Describes the provenance of the data used in this issue. Includes design of the instructional sequence, instructional activities, classroom structure, and classroom episodes. (Author/MM)

Knowledge discovery in databases (KDD) revolves around the investigation and creation of knowledge, processes, algorithms, and mechanisms for retrieving knowledge from data collections. The article is an introductory overview of KDD. The rationale and environment of its development and applications are discussed. Issues related to database design…

Demonstrates the benefits and problems of using Web log analysis to extract information about the global information customer. The Web logs examined were those of "The Times" and "Sunday Times." Highlights include the measures and metrics; the data and its meaning; and analyses with potential (AEF)

Shape Recovery Analysis (SHERA), a new visual analytical technique, is applied to the N-Gram hypothesis on matched Japanese-English technical documents. Results reveal compaction in the translation of Japanese subject terms to English subject terms. The biagram approach to the Japanese data yields a remarkable similarity to the matching visualized…

Recent negotiations to amend the tuition reciprocity agreement between Minnesota and Wisconsin would require Wisconsin students attending the University of Minnesota-Twin Cities campus to pay a tuition surcharge. Simulations of how the proposed changes would affect enrollment and revenue showed that the proposed surcharge would not adversely…

Examines the usefulness of the Eisenberg-Berkowitz Information Problem-Solving model as a categorization for academic reference encounters. Major trends in the data include a high proportion of questions about location and access of sources, lack of synthesis or production activities, and consistent presence of system problems that impede the…

Describes the application of multilevel statistical models to the evaluation of a multi-site community-based intervention and explicates key issues in the design,analysis, and presentation of results. The initiative described, "Fighting Back, is designed to reduce the demand for illegal drugs and alcohol in a community. (SLD)

A semantic analysis of the "Weekly Subject Index Stop Word List" of "Current Contents" of the Institute for Scientific Information (ISI) and the full-stop word and semi-stop word lists of the Permuterm Subject Index of "Science Citation Index" was conducted. Emphasizes the necessity of an improved, semantically-oriented policy in preparing lists…

Discusses the value of administrative data to child welfare researchers. Considers issues in using client records--confidentiality, selection of data, historical data, sampling reliability, replication of findings, and access to data--that can be resolved in standardized ways. Notes other problematic issues, such as greater distance from subject,…

Used administrative data, census data, and geographic information system technology to map and analyze the rates, distribution, and ecological correlates of child physical abuse, neglect and sexual abuse at the neighborhood level. Compared the distribution by neighborhood of three types of child abuse, and identified and compared neighborhood…