The majority of autistic children in this study were able to (1) solve learning set, matching learning set, and conditional matching learning set tasks; (2) acquire set; and (3) perform these tasks without differing significantly from performance of matched control subjects. (Author/DB)

A binary communication format and active interrogation were used to administer the Peabody Picture Vocabulary Test (Revised) to 25 individuals unable to make oral or fine-motor responses resulting from various physical and intellectual disabilities. Results correlated with those obtained using the standard form. Discussion focuses on use with…

The purpose of this study was to further examine the reliability of the Peabody Picture Vocabulary Test (PPVT), a new instrument to measure hearing vocabulary so that a student's verbal intelligence may be inferred. A group testing procedure was utilized by reproducing the PPVT plates on 35 millimeter transparent slides and projecting them onto a…

Undergraduate students (N=106) in a psychoeducational testing course were required to administer the Peabody Picture Vocabulary Test-Revised to the instructor. Only 29.2 percent were able to administer the test error-free, indicating that a one-semester course is insufficient preparation for special educators to become effective test…

This IRCD Bulletin issue contains two brief papers. One, on contingency management, describes the application of this aspect of operant conditioning theory to the manipulation of behavior through reinforcement methods. Examples of the technique of managing high and low probability behaviors are offered as it is used with preschool children,…

The enhanced metalinguistic abilities demonstrated by additive-bilingual children, including superior control of cognitive processing, may promote the development of symbolic reasoning. Children educated in additive-bilingual (immersion) settings may maintain normal native-language development, while acquiring a second language. This study…