Todd Risley

Todd Risley
Born
Todd Robert Risley

(1937-09-08)September 8, 1937
DiedNovember 2, 2007(2007-11-02) (aged 70)
Alaska
EducationSan Diego State College
University of Washington
Known forApplied behavior analysis
Scientific career
FieldsPsychology
InstitutionsUniversity of Kansas
University of Alaska, Anchorage
Thesis The establishment of verbal behavior in deviant children  (1966)
Academic advisors
Montrose Wolf

Todd Robert Risley (September 8, 1937 – November 2, 2007) was an American psychologist. He is credited with helping to create the field of applied behavior analysis, and has been described as a "pioneer" in this field. He is known for the study he conducted with Betty Hart, who was his graduate student at the University of Kansas at the time, on the word gap between rich and poor children. He was also a co-founder and editor-in-chief of the Journal of Applied Behavior Analysis.