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ERIC Number: EJ757686
Record Type: Journal
Publication Date: 2007-Apr
Pages: 14
Abstractor: Author
Reference Count: 10
ISBN: N/A
ISSN: ISSN-0013-1644
Item Selection Strategy for Reducing the Number of Items Rated in an Angoff Standard Setting Study
Ferdous, Abdullah A.; Plake, Barbara S.
Educational and Psychological Measurement, v67 n2 p193-206 Apr 2007
In an Angoff standard setting procedure, judges estimate the probability that a hypothetical randomly selected minimally competent candidate will answer correctly each item in the test. In many cases, these item performance estimates are made twice, with information shared with the panelists between estimates. Especially for long tests, this estimation process can be time-consuming and fatiguing for the judges. This study extended an item selection strategy earlier proposed to form subsets of test items. The results of this study suggest that 40% to 50% of test items may be sufficient to estimate an equivalent passing score in an Angoff setting study when those items are selected to represent the full test in content, discrimination, and difficulty. (Contains 4 tables.)
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com
Publication Type: Journal Articles; Reports - Evaluative
Education Level: Elementary Education; Grade 8
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Laws, Policies, & Programs: No Child Left Behind Act 2001