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Mills, Jamie D.; Simon, Marsha E. – Middle Grades Research Journal, 2015
This study investigated the performance of U.S. eighth-grade female and minority students' achievement in learning statistics concepts using the Data and Chance content domain from the Trends in International Mathematics and Science Study 2007 (TIMSS 2007). Using variables that have been linked to mathematics and statistics achievement in the…
Descriptors: Grade 8, Minority Group Students, Females, Literacy
Patterson, Brian F. – College Board, 2008
Presented at the quarterly meeting of the New York Area SAS Users-Group in December 2008. In virtually any research context, there is likely to be opportunity to apply mixed-models--of which repeated-measures, multilevel, hierarchical and random- and fixed-effect models are specific types-- that improve upon their traditional linear or generalized…
Descriptors: Hierarchical Linear Modeling, Statistics, Computer Software, College Entrance Examinations