WILLIAM ELMHORST is a psychology teacher at Marshfield High School in Marshfield, Wisconsin. He received his Master of Arts in Education from Viterbo University in La Crosse, Wisconsin, and his Master of Science in Education Administration from the University of Wisconsin-Superior in Superior, Wisconsin. Will has been teaching Psychology for 24 years and is also a reader for the College Board’s AP Psychology exam. He served as the National Chair of the APA affiliate board TOPSS in 2009, has published several articles on best practices in teaching psychology, and has authored Pearson Education’s AP* Test Prep Series: AP Psychology workbook. Will also teaches an online Introduction to Psychology class for the University of Wisconsin Colleges. His research interests are diverse, and he is currently researching late 19th century science fiction, with a focus on psychology in the works of H. G. Wells. During time off from teaching, he enjoys travel with his sons and spending time outdoors.

MARY SPILIS is a retired high school teacher of 31 years in Sylvania, Ohio. During her tenure as an educator, she taught Psychology I & II and AP Psychology. She served as Chair of TOPSS, a member committee of the American Psychological Association. Mary has received numerous accolades during her career, and is a recipient of the National High School Psychology Teacher of the Year (awarded by the American Psychological Association), Teacher of the Year (Sylvania City Schools), Outstanding Teacher award (Miami University). She is a designated Master Teacher of the National Science Foundation, and authored the Treatment Unit, a lesson plan designed specifically for high school psychology teachers. Mary has been a consultant for the College Board for more than 20 years, has served as a reader for the AP Psychology exam for many years, and continues to teach AP Psychology teachers at workshops throughout the country. She also served as the AP Psychology content editor for the 4th edition of AP Psychology (Prentice Hall).