Six four-year-olds were subjects in two experiments on correspondence training procedures with toy play behaviors. The experiments found that presence or absence of children's verbalizations exerted no influence on play with target toys, and that children were less likely to engage in target behaviors when no antecedent experimenter verbalization…

A behavioral consultation approach was effectively used to reduce problem behaviors in 2 field studies with 3 students (ages 10-14) having severe or profound mental retardation and their teachers. Intervention involved extinction of inappropriate behaviors, reinforcement of appropriate play behaviors, and teaching verbal skills functionally…

Three experiments, involving five students (aged 13-20) with profound, multiple handicaps, showed that the students could effectively use microswitches to demonstrate toy preferences, to indicate preferences for social attention, and to make specific requests of educational staff in school and community settings. (Author/JDD)

Parents of four nonverbal and four echolalic autistic children, aged five-nine, were trained to increase their children's speech by using the Natural Language Paradigm. Following training, parents increased the frequency with which they required their children to speak, and children increased the frequency of their verbalizations in three…