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ERIC Number: EJ1065644
Record Type: Journal
Publication Date: 2015-May
Pages: 28
Abstractor: As Provided
ISSN: EISSN-1570-1824
Teachers' Knowledge About Informal Line of Best Fit
Casey, Stephanie A.; Wasserman, Nicholas H.
Statistics Education Research Journal, v14 n1 p8-35 May 2015
The purpose of this study was to investigate teachers' subject matter knowledge relevant to the teaching of informal line of best fit. Task-based interviews were conducted with nineteen pre-service and in-service mathematics teachers. The results include descriptions and categorizations of teachers' conceptions, criteria for placement, accuracy of placement, and interpretation of the informal line of best fit. Implications regarding teacher preparation for the teaching of this topic, including current status and recommendations for future preparation, are discussed.
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; Tests/Questionnaires
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A