NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20250
Since 20240
Since 2021 (last 5 years)0
Since 2016 (last 10 years)0
Since 2006 (last 20 years)2
Source
Applied Psychological…2
Education Level
High Schools1
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Rijmen, Frank; Manalo, Jonathan R.; von Davier, Alina A. – Applied Psychological Measurement, 2009
This article describes two methods for obtaining the standard errors of two commonly used population invariance measures of equating functions: the root mean square difference of the subpopulation equating functions from the overall equating function and the root expected mean square difference. The delta method relies on an analytical…
Descriptors: Error of Measurement, Sampling, Equated Scores, Statistical Analysis
Peer reviewed Peer reviewed
Direct linkDirect link
von Davier, Alina A.; Wilson, Christine – Applied Psychological Measurement, 2008
Dorans and Holland (2000) and von Davier, Holland, and Thayer (2003) introduced measures of the degree to which an observed-score equating function is sensitive to the population on which it is computed. This article extends the findings of Dorans and Holland and of von Davier et al. to item response theory (IRT) true-score equating methods that…
Descriptors: Advanced Placement, Advanced Placement Programs, Equated Scores, Calculus