Johnny Blair Johnny Blair is an independent consultant. Previously, he was a principal scientist and senior survey methodologist at Abt Associates Inc., where he directed the Cognitive Testing Laboratory. He has conducted research on sampling rare populatins, measurement error in proxy reporting, and cognitive interviewing for pretesting survey instruments. He has been a member of the Design and Analysis Committee, which provides statistical advice for the National Assessment of Educational Progress (NAEP), often referred to as The Nation's Report Card. He has served on National Research Council panels to assess major government-sponsored surveys. His research publications include many book chapters and over 50 articles in academic journals and in the Proceedings of the Joint Statistical Meetings of the American Statistical Association Section on Survey Methods. He served two terms on the editorial board of Public Opinion Quarterly and is a frequent peer reviewer for several other research journals.

Read More Read Less