January 2009 Archives

EPSY 8262: R resources

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I am the teaching assistant for EPSY 8262 Statistical Methods II: Regression and the General Linear Model, taught by Dr. Jeffrey D. Long. Rlogo.jpg is the statistical software that we use in the course. Installing and using R can be difficult at first, so I've gathered some helpful resources for students and others who are getting started.

Minnesota newspapers have been covering a Wilder Research study that I helped conduct. Here are some of the news articles:

Bush Foundation commissioned the report because several experimental and quasi-experimental studies have shown that disadvantaged children and society benefit greatly from quality preschool experiences, but the costs and benefits had not been tallied for the K-12 system specifically. Temple and Reynolds (2007) provide a good overview of the larger costs and benefits.

Schools incur costs when students repeat grades or drop out before graduation ($66.4 million annually); when student behavior problems and low achievement lead to teacher absenteeism, turnover, and extra compensation ($28.9 million); when English Language Learners enter kindergarten with no educational introduction to English ($11 million); and when schools are forced to combat delinquency ($6 million).

Expanding quality preschool experiences in Minnesota would likely reduce the $113 million shouldered annually by the state's K-12 education system.