Anya Kamenetz's "The Past, Present, And Future of High-Stakes Testing" on February 09, 2015 applied statistics assessment +1 education NPR psychometrics research article sampling applied statistics assessment education NPR psychometrics research article sampling
Cory Turner's "A tale of two polls" on September 11, 2014 Common Core education NPR +1 polling techniques psychometrics scale creation Common Core education NPR polling techniques psychometrics scale creation