ERIC Number: EJ1065644
Record Type: Journal
Publication Date: 2015-May
Abstractor: As Provided
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.
Descriptors: Mathematics Teachers, Preservice Teachers, Statistics, Interviews, Teacher Characteristics, Accuracy, Criteria, Knowledge Base for Teaching, Mathematics Education
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Publication Type: Journal Articles; Reports - Research; Tests/Questionnaires
Education Level: Higher Education; Postsecondary Education
Authoring Institution: N/A
Grant or Contract Numbers: N/A