Rob McEntarffer taught AP Psychology at Lincoln Southeast High School in Lincoln, NE for over 13 years and Introductory Psychology at Nebraska Wesleyan University for over 7 years. He earned a B.S. in teaching of psychology at the University of Nebraska, a master's degree in educational psychology, and a Ph.D. in education. He has extensive experience in scoring the Advanced Placement Psychology free-response questions, having served as a Reader, Table Leader, and, as the high school Question Leader. He is past chair of the national organization Teachers of Psychology in Secondary Schools, worked with the committee on the National Standards for the Teaching of High School Psychology, and is involved in writing assessment materials for high school and college level introductory psychology textbooks. He works as an assessment specialist for his school district.