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Direct linkAndersson, Björn; von Davier, Alina A. – Journal of Educational Measurement, 2014
We investigate the current bandwidth selection methods in kernel equating and propose a method based on Silverman's rule of thumb for selecting the bandwidth parameters. In kernel equating, the bandwidth parameters have previously been obtained by minimizing a penalty function. This minimization process has been criticized by practitioners…
Descriptors: Internet, Information Transfer, Synchronous Communication, Error of Measurement
Download full textGray, Lucinda; Thomas, Nina; Lewis, Laurie – National Center for Education Statistics, 2010
This report provides national data on the availability and use of educational technology among teachers in public elementary and secondary schools during the winter and spring of 2009. The data are the results of a national teacher-level survey that is one of a set that includes district, school, and teacher surveys on educational technology.…
Descriptors: Educational Technology, Technology Uses in Education, Public Schools, Elementary Schools
Gray, Lucinda; Thomas, Nina; Lewis, Laurie – National Center for Education Statistics, 2010
This report provides national data on the availability and use of educational technology in public elementary and secondary schools during fall 2008. The data are the results of a national school-level survey that is one of a set that includes district, school, and teacher surveys on educational technology. Every year between 1994 and 2005 (with…
Descriptors: Secondary Schools, Public Schools, Access to Information, Teacher Surveys
Heaviside, Sheila; And Others – 1995
In response to the federal goal to connect all of the nation's school classrooms, libraries, hospitals, and law enforcement agencies to the information superhighway, the Department of Education commissioned a survey to obtain baseline data on the status of advanced telecommunications in public elementary and secondary schools. Data was gathered…
Descriptors: Budgeting, Computer Mediated Communication, Computer Uses in Education, Educational Planning
