Category Archives: Praxes

“What is a retrospective pretest posttest?” You are not alone in wondering. I belong to the American Evaluation Association and subscribe to the EVALTALK listserv where members routinely enquire about this method. A retrospective pretest posttest is a type of … Continue reading →

Here are some new maps displaying math and reading achievement gaps in early elementary school, suggesting disparities at kindergarten entry. I will write more on these in a later post. Click on the thumbnails below to see full maps:

I decided to make a more advanced map, one with some relevance to my graduate studies in evaluation and educational psychology. This map shows geographic variation in third grade reading proficiency as measured by the 2005 Minnesota Comprehensive Assessment (MCA). … Continue reading →

I have been learning R software for statistical computing. I have used it for all of my homework assignments in EPSY 8261 (Probability and Inference) and 8262 (Regression and the General Linear Model). My prof has an R blog here: … Continue reading →