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Luxford, Cynthia J.; Linenberger, Kimberly J.; Raker, Jeffrey R.; Baluyut, John Y.; Reed, Jessica J.; De Silva, Chamila; Holme, Thomas A. – Journal of Chemical Education, 2015
As a discipline, chemistry enjoys a unique position. While many academic areas prepared "cooperative examinations" in the 1930s, only chemistry maintained the activity within what has become the ACS Examinations Institute. As a result, the long-term existence of community-built, norm-referenced, standardized exams provides a historical…
Descriptors: Chemistry, Science Tests, Database Design, Norm Referenced Tests
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Gomathi, C.; Moorthi, M.; Duraiswamy, K. – International Education Studies, 2008
Web Access Pattern (WAP), which is the sequence of accesses pursued by users frequently, is a kind of interesting and useful knowledge in practice. Sequential Pattern mining is the process of applying data mining techniques to a sequential database for the purposes of discovering the correlation relationships that exist among an ordered list of…
Descriptors: Database Design, Database Management Systems, Coding, Computer System Design
Armstrong, Jane; Bergner, Terry; Smith, Nancy – Data Quality Campaign, 2008
States have made dramatic progress in the past few years in implementing longitudinal data systems (LDS) to improve student achievement. These systems collect and house student educational data that make it easy for policymakers and practitioners to access and use it for reporting, policymaking and decision making. So much has happened in states…
Descriptors: Partnerships in Education, Longitudinal Studies, Management Information Systems, Program Implementation
Hunt, E. Stephen – 1994
The Comparative Database System (CDS) provides a means for coding and using data on U.S. and international postsecondary educational activity and behavior. CDS permits education-data users to obtain accurate and reliable comparative data on postsecondary education questions. This document contains a discussion of the development of CDS, a detailed…
Descriptors: Coding, Comparative Analysis, Comparative Education, Data Analysis