NotesFAQContact Us
Search Tips
Publication Date
In 20210
Since 20200
Since 2017 (last 5 years)0
Since 2012 (last 10 years)0
Since 2002 (last 20 years)1
Education Level
Elementary Secondary Education1
Grade 31
Grade 41
Grade 51
Grade 61
Grade 71
Intermediate Grades1
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Briggs, Derek C.; Weeks, Jonathan P. – Educational Measurement: Issues and Practice, 2009
Most growth models implicitly assume that test scores have been vertically scaled. What may not be widely appreciated are the different choices that must be made when creating a vertical score scale. In this paper empirical patterns of growth in student achievement are compared as a function of different approaches to creating a vertical scale.…
Descriptors: Scaling, Models, Longitudinal Studies, Academic Achievement