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ERIC Number: EJ1015685
Record Type: Journal
Publication Date: 2013-May
Pages: 28
Abstractor: As Provided
ISSN: ISSN-1570-1824
Development of a Reliable Measure of Students' Inferential Reasoning Ability
Lane-Getaz, Sharon J.
Statistics Education Research Journal, v12 n1 p20-47 May 2013
This mixed-methods study reports psychometric properties of the 34-item Reasoning about P-values and Statistical Significance (RPASS) scale. RPASS is being designed as a research tool to assess effects of teaching methods on students' inferential reasoning. During development (Phase I), two graphical scenarios and 12 items were added to the scale, field tested, and evaluated by three content raters. During Phase II, reliability and validity evidence were gathered in three college statistics courses. Score reliability was sufficient to conduct group research (alpha = 0.76, n = 105). RPASS scores were correlated with college entrance scores and GPAs as evidence of construct-related validity. Further validity evidence was obtained by analyzing consistency between students' reasoning and answers for eight items. Future development and research are discussed. (Contains 10 tables and 2 figures.)
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
Identifiers - Assessments and Surveys: SAT (College Admission Test)
Grant or Contract Numbers: N/A