We treated the liquid refusal of a 15-month-old girl using 2 antecedent manipulations: flipped spoon and chin prompt. Use of the chin prompt in the absence of the flipped spoon failed to produce increases in mouth clean (a product measure of swallowing). By contrast, modest increases in mouth clean resulted from the implementation of the flipped…

Highlights findings from three research studies. These studies focused on: (1) a comparison of various types of preschool day care; (2) infants as young as 14 months old who performed deferred imitation; and (3) a behavior modification technique called "guided mastery." (DH)