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Kubitskey, Beth W.; Vath, Richard J.; Johnson, Heather J.; Fishman, Barry J.; Konstantopoulos, Spyros; Park, Gina J. – Teaching and Teacher Education: An International Journal of Research and Studies, 2012
As teacher professional development research includes more experimental designs, new challenges arise. We examine the threat of participant attrition as an example of the types of problems researchers face. Counter-intuitively, higher levels of recruitment effort were related to higher dropout rates among teachers. We also found that teachers left…
Descriptors: Urban Schools, Suburban Schools, Dropout Rate, Research Design
Hedges, Larry V.; Konstantopoulos, Spyros; Thoreson, Amy – 2000
The purpose of this study was to examine patterns of computer use in U.S. schools and the relation of computer use to academic achievement in mathematics, reading, and writing. The report discusses methodological issues and presents the results of analyses of the social distribution of computer use and the relation of computer use to academic…
Descriptors: Academic Achievement, Computer Uses in Education, Elementary Secondary Education, National Surveys