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Yin, Ping; Brennan, Robert L. – International Journal of Testing, 2002
Studied longitudinal changes in performance at both the student and school district level in major content areas of a widely used norm-referenced grade-level testing program. Used data from grades 3 to 4 and from 7 to 8 of the Iowa Tests of Basic Skills (in Iowa). Reports descriptive statistics and empirical norms and reliability estimates for…
Descriptors: Achievement Tests, Elementary Education, Elementary School Students, Longitudinal Studies

Waltman, Kristie K. – Journal of Educational Measurement, 1997
A socially moderated link was established between statewide achievement results and the National Assessment of Educational Progress (NAEP) by using the same achievement level descriptions in an Iowa Test of Basic Skills standard-setting and an NAEP standard setting study. A statistically moderated link was established through an equipercentile…
Descriptors: Academic Achievement, Achievement Tests, Equated Scores, National Surveys