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ERIC Number: EJ1083961
Record Type: Journal
Publication Date: 2015-Nov
Pages: 24
Abstractor: As Provided
ISSN: EISSN-1570-1824
Assessing Learning Outcomes: An Analysis of the Goals-2 Instrument
Sabbag, Anelise Guimaraes; Zieffler, Andrew
Statistics Education Research Journal, v14 n2 p93-116 Nov 2015
The test instrument GOALS-2 was designed primarily to evaluate the effectiveness of the CATALST curriculum. The purpose of this study was to perform a psychometric analysis of this instrument. Undergraduate students from six universities in the United States (n = 289) were administered the instrument. Three measurement models were fit and compared: the two-parameter logistic model, the mixed model (comprised of both the two-parameter logistic and the graded-response model), and the bi-factor model. The mixed model was found to most appropriately model students' responses. The results suggested the revision of some items and the addition of more discriminating items to improve total test information.
International Association for Statistics Education and the International Statistical Institute. PO Box 24070, 2490 AB The Hague, The Netherlands. Tel: +31-70-3375737; Fax: +31-70-3860025; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A