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ERIC Number: EJ1111237
Record Type: Journal
Publication Date: 2008-Jul
Pages: 20
Abstractor: As Provided
ISSN: EISSN-2330-8516
Outliers in Assessments. Research Report. ETS RR-08-41
Haberman, Shelby J.
ETS Research Report Series, Jul 2008
Outliers in assessments are often treated as a nuisance for data analysis; however, they can also assist in quality assurance. Their frequency can suggest problems with form codes, scanning accuracy, ability of examinees to enter responses as they intend, or exposure of items.
Educational Testing Service. Rosedale Road, MS19-R Princeton, NJ 08541. Tel: 609-921-9000; Fax: 609-734-5410; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A