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43 results on '"Pelikan, Stephan"'

11. Bird population changes in a Hamilton County, Ohio, forest (1)

Author

Saunders, Lauren P., Saunders, Charles W., Styer, David, and Pelikan, Stephan

Subjects
West Nile fever -- Identification and classification -- Research, Bird populations -- Distribution -- Observations -- Forecasts and trends -- Diseases -- Research, Education, Engineering and manufacturing industries, Science and technology, Market trend/market analysis, Company distribution practices, Identification and classification, Distribution, Observations, Diseases, Research, Forecasts and trends
Abstract

ABSTRACT. We monitored breeding bird populations in a woodland plot in Hamilton County, OH. By comparing historical data (1991-1998) with 2003 populations, we observed a decrease in the populations of [...]

Published
2005

12. Effects of lead time, length bias, and false negative assurance on screening for breast cancer

Author

Pelikan, Stephan and Moskowitz, Myron

Subjects
Breast cancer -- Diagnosis, Cancer -- Reporting, Medical screening -- Evaluation, Health
Abstract

This article presents a model of breast cancer screening programs. The model shows the effects of the screening threshold, screen sensitivity, and false-negative assurance on the cumulative mortality rate in the screened population. It shows that factors of screen design and a penalty associated with false-negative assurance can result in excess mortality rates in screened populations-especially in those age classes in which the incidence of rapidly growing tumors is high. Factors related to the magnitude of this effect are described. Cancer 1993; 71:1998-2005.

Published
1993

13. Problems

Author

Pelikan, Stephan, primary, DeJarnette, Anna F., additional, and Phelps, Stephen, additional

Published
2018
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36. palette of problems.

Author

Pelikan, Stephan, DeJarnette, Anna F., and Phelps, Stephen

Subjects
*MATHEMATICS problems & exercises, *CIRCLE, *MEASUREMENT of angles (Geometry)
Published
2018
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39. palette of problems.

Author

Pelikan, Stephan, DeJarnette, Anna F., and Phelsp, Stephen

Subjects
*MATHEMATICS problems & exercises, *STUDY & teaching of division, *PERCENTILES, *EDUCATION
Abstract

A mathematical quiz involving division, shapes, and percentage is presented.

Published
2016
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40. palette of problems.

Author

Roscoe, Matt B. and Pelikan, Stephan

Subjects
*MATHEMATICS education (Middle school), *ACTIVITY programs in middle school education
Abstract

The article describes an activity program for middle school which asks students to solve mathematical problems on topics including amount of caffeine in fusion teas in terms of cups, the temperatures inside and outside a vehicle and the perimeter of a right triangle.

Published
2016
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41. palette of problems.

Author

Roscoe, Matt B. and Pelikan, Stephan

Subjects
*MATHEMATICS, *PERCENTILES, *GEOMETRY problems & exercises, *EDUCATION
Abstract

The article presents several mathematics question and answers for school children related to percentage, geometry and fractions.

Published
2015

43. palette fo problems.

Author

Roscoe, Matt and Pelikan, Stephan

Subjects
*MATHEMATICS problems & exercises, *MATHEMATICAL functions, *INTEGERS
Abstract

A quiz is presented concerning several mathematical problems for middle school students on topics including linear function, least positive integer, and probability.

Published
2015
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