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Frederick, Karen; Barnard-Brak, Lucy; Sulak, Tracey – International Journal of Research & Method in Education, 2012
There has been a significant increase in the use of secondary data sets. Many such data sets purport to be nationally representative. Secondary data sets include research commissioned by the National Center for Education Statistics, the Centers for Disease Control, and other public entities. Research increasingly utilizes these secondary data in…
Descriptors: Autism, Statistical Analysis, Pervasive Developmental Disorders, Disproportionate Representation
Kleiner, Anne; Farris, Elizabeth – 2002
Since 1994, the National Center for Education Statistics (NCES) has surveyed public schools to estimate access to information technology in schools and classrooms. In the fall of each academic year, anew nationally representative sample of approximately 1,000 public schools has been surveyed about Internet access and Internet-related topics. This…
Descriptors: Access to Computers, Access to Information, Computer Uses in Education, Educational Equipment