At preschool, Jessi has learned that she must wash her hands before snack-time in order to get a snack. At home, however, her parents do not check to make sure she washes her hands. When she is home, Jessi does not wash her hands before eating. Jessi's behavior illustrates the process of

Four primary approaches to cognition are the _______________________

a) psychometric, information processing, Piagetian, and contextual perspectives b) psychometric, cognitive, neo-Piagetian, and perceptual perspectives c) intentionality, cognitive, neo-Piagetian, and contextual perspectives d) perception, cognitive, Piagetian, and sensory perspectives

When two autistic boys were ignored after instances of self-destructive behavior, their tendency to injure themselves disappeared. The operant principle employed was

a. negative reinforcement. b. stimulus control. c. nonreinforcement. d. reciprocal inhibition.