About Todd Risley
Lived 1937 – 2007 (aged 70). Todd Risley was a psychologist, known for Applied behavior analysis.
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.
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Frequently asked questions
Who was Todd Risley?
psychologist
When was Todd Risley born?
Todd Risley was born on 8 September 1937 in Alaska.
When did Todd Risley die?
Todd Risley died on 2 November 2007 in Alaska.
What was Todd Risley's occupation?
Todd Risley was a psychologist.
What was Todd Risley known for?
Todd Risley was known for Applied behavior analysis.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Todd Risley. https://biography.guide/todd-risley/
MLA: "Todd Risley." Biography.guide, https://biography.guide/todd-risley/.
Chicago: "Todd Risley." Biography.guide. https://biography.guide/todd-risley/.
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