The Principal Investigator (PI) is Dr. Grazyna Kochanska, Stuit Professor of Developmental Psychology from the Department of Psychology, University of Iowa. She is an experienced researcher who has conducted several similar studies in the past, funded by the National Science Foundation and the National Institute of Mental Health. Dr. Kochanska specializes in early social-emotional development and has published numerous articles in professional journals.
www.psychology.uiowa.edu/faculty/Kochanska/Kochanska1.html

Dr. Kochanska works with a team of other psychology professionals and students. They all have good knowledge of child development and are very experienced in interacting with young children.