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Watson, Jane M.; Nathan, Erica L. – Mathematics Education Research Group of Australasia, 2010
As part of an interview protocol investigating teachers' pedagogical content knowledge (PCK) in statistics, 40 teachers were presented with a newspaper article reporting a phone-in survey about the legalisation of marijuana. The article and a question about the reliability of the sample had earlier been used in student surveys, and three student…
Descriptors: Mathematics Education, Student Surveys, Foreign Countries, Pedagogical Content Knowledge
Bill, Anthony; Henderson, Sally; Penman, John – Mathematics Education Research Group of Australasia, 2010
Two test items that examined high school students' beliefs of sample size for large populations using the context of opinion polls conducted prior to national and state elections were developed. A trial of the two items with 21 male and 33 female Year 9 students examined their naive understanding of sample size: over half of students chose a…
Descriptors: Mathematics Education, Test Items, Sample Size, Foreign Countries