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Direct linkPerrett, Jamis J. – Journal of Statistics Education, 2012
This article demonstrates how textbooks differ in their description of the term "experimental unit". Advanced Placement Statistics teachers and students are often limited in their statistical knowledge by the information presented in their classroom textbook. Definitions and descriptions differ among textbooks as well as among different…
Descriptors: Statistics, Advanced Placement Programs, Textbooks, Mathematics Instruction
Mitchell, Ruth; Stempel, Amy – 1991
Six cases are studied to give some idea of the range of performance assessments in use in the United States. Contrast and comparison are made possible through the study of the following: (1) the South Brunswick (New Jersey) Public Schools Observational Portfolio for kindergarten through grade 12; (2) the Arizona Student Assessment Program (not yet…
Descriptors: Case Studies, Comparative Analysis, Cost Effectiveness, Educational Assessment
