So I wrote a book: Shameless self-promotion 4 on September 18, 2014 archival data book review data set fading affect bias Pollyanna's Revenge positive psychology shameless self-promotion +
minimaxir's "Distribution of Yelp ratings for businesses, by business category" on September 15, 2014 archival data distributions evaluation graphs and charts histogram industrial-organizational normal distributions psychometrics rating reddit Yelp +
Cory Turner's "A tale of two polls" on September 11, 2014 Common Core education NPR polling techniques psychometrics scale creation +