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Braga, Anthony A.; Hureau, David M.; Papachristos, Andrew V. – Evaluation Review, 2011
Background: A small but growing body of research evidence suggests that place-based police interventions generate significant crime control gains. While place-based policing strategies have been adopted by a majority of U.S. police departments, very few agencies make a priori commitments to rigorous evaluations. Objective: Recent methodological…
Descriptors: Police, Program Effectiveness, Geographic Location, Crime
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Berry, Brent – Evaluation Review, 2007
Risks of life on the street caused by inclement weather, harassment, and assault threaten the unsheltered homeless population. We address some challenges of enumerating the street homeless population by testing a novel capture-recapture (CR) estimation approach that models individuals' intermittent daytime visibility. We tested walking and…
Descriptors: Probability, Identification, Sampling, Homeless People
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Hoppe, Marilyn J.; And Others – Evaluation Review, 1995
The Children's Health Awareness Project is presented as a case study in using focus groups for gathering sensitive information from children. General focus group techniques and advantages and limitations of the method are described. Recommendations are offered for use of the technique with children when sensitive topics are addressed. (SLD)
Descriptors: Case Studies, Child Health, Children, Data Collection
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Willemain, Thomas R.; Hartunian, Nelson S. – Evaluation Review, 1982
Two methods for dividing an interrupted time-series study between baseline and experimental phases when study resources are limited are compared. In fixed designs, the baseline duration is predetermined. In flexible designs the baseline duration is contingent on remaining resources and the match of results to prior expectations of the evaluator.…
Descriptors: Data Collection, Evaluation Methods, Evaluators, Research Design
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Tate, C. Neal – Evaluation Review, 1986
Microcomputer uses by social researchers include writing programs, standard spreadsheets and data base management. In addition, microcomputers can increase the effectiveness and efficiency of information gathering by improving notetaking and organizing. Software developments will help make microcomputer data base management tools, now not…
Descriptors: Computer Software, Data Analysis, Data Collection, Database Management Systems
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Firestone, William A.; Herriott, Robert E. – Evaluation Review, 1983
The histories of five multisite, qualitative policy studies were examined to see how much variation in formalization reflected the technical requirements of the research problem, the demands of the federal client, and the preferences of the project team and its professional network. (Author/PN)
Descriptors: Case Studies, Data Collection, Educational Policy, Ethnography
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Lanza, Marilyn Lewis; Carifio, James – Evaluation Review, 1992
The validity of vignettes used to elicit subject responses in social science research is examined in a study of the validity of a group of patient assault vignettes seen by 12 persons with experience in patient care. A model for establishing the validity of vignettes is proposed. (SLD)
Descriptors: Construct Validity, Data Collection, Evaluators, Models