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)1
Descriptor
Comparative Analysis1
Computation1
Item Response Theory1
Maximum Likelihood Statistics1
Scoring1
Test Items1
Source
Online Submission1
Author
Custer, Michael1
Sharairi, Sid1
Swift, David1
Publication Type
Reports - Research1
Speeches/Meeting Papers1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
A Comparison of Scoring Options for Omitted and Not-Reached Items through the Recovery of IRT Parameters When Utilizing the Rasch Model and Joint Maximum Likelihood Estimation
PDF on ERIC Download full text
Custer, Michael; Sharairi, Sid; Swift, David – Online Submission, 2012
This paper utilized the Rasch model and Joint Maximum Likelihood Estimation to study different scoring options for omitted and not-reached items. Three scoring treatments were studied. The first method treated omitted and not-reached items as "ignorable/blank". The second treatment, scored omits as incorrect with "0" and left not-reached as blank…
Descriptors: Scoring, Test Items, Item Response Theory, Maximum Likelihood Statistics