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Download full textCross, Dionne I.; Hudson, Rick A.; Lee, Jean; Vesperman, Crystal – North American Chapter of the International Group for the Psychology of Mathematics Education, 2013
In this study, we examined the ways in which teachers' statistical knowledge is enacted during instructional practice. Using classroom video recordings from three middle-grades' teachers, we qualitatively analyzed the conversations around a task designed to develop students' knowledge of statistical sampling. Our analyses showed how teachers'…
Descriptors: Middle School Teachers, Statistics, Pedagogical Content Knowledge, Video Technology
Shaughnessy, J. Michael; Canada, Dan; Ciancetta, Matt – International Group for the Psychology of Mathematics Education, 2003
This paper summarizes the thinking of 84 middle school mathematics students' about variability in three stochastics tasks that involve repeated trial. Differences in students' acknowledgment of variability were found, depending on whether the task was from a sampling environment, or a probability environment. Students tended to neglect variability…
Descriptors: Middle Schools, Probability, Sampling, Student Attitudes
