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Betty Hart

Betty Hart, Ph.D., began her career in the early 1960s at the Institute for Child Development at the University of Washington, where she participated in the original demonstrations of the power of learning principles in influencing young children. With Montrose Wolf and Todd Risley, she introduced the basic procedures of adult attention and time-out now routinely taught and used in teaching and parenting. She also helped introduce the procedures for shaping speech and language widely used in...See more