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A Comparison Of A Topography-Based Language System And A Selection-Based Language System, Carl Sundberg
A Comparison Of A Topography-Based Language System And A Selection-Based Language System, Carl Sundberg
Masters Theses
This study examined whether it was easier for developmentally disabled individuals to acquire a topography-based or a selection-based language system. Four moderately and mildly mentally retarded adults served as subjects. Each of the subjects was taught to tact an object by either pointing to its corresponding symbol (with the selection-based paradigm) or making the corresponding sign (with the topography-based system). They were then taught an intraverbal relation by either selecting the symbol, or making the sign which corresponded to an auditory stimulus. Finally, the subjects were tested for the emergence of stimulus equivalence classes. Each subject was trained and tested …
Extension Of The Audio-Visual Combination Discrimination Test, Valerie R. Davine
Extension Of The Audio-Visual Combination Discrimination Test, Valerie R. Davine
Masters Theses
The Audio-Visual Combination (AVC) scale (Kerr, Meyerson, & Flora, 1977) was developed to assess basic discrimination skills in the developmentally disabled population. Acquisition of such skills has been demonstrated to follow a progressive pattern. The existing AVC test assesses discrimination skills in the following hierarchy: Imitation, Position, Visual, Match-To-Sample, Auditory, and Auditory- Visual Combination. This investigation attempted to discover transitional skills between the Match-To-Sample and the Auditory levels. Twenty-four developmentally disabled adults were tested using the original AVC tool with the addition of four new discrimination tasks that were added to the existing scale to ascertain a finer gradation of …
A Comparison Of Outcome Reinforcement Contingencies And Process Reinforcement Contingencies Using Concurrent Training With The Severely Mentally Impaired, Nancy Lonsberry
A Comparison Of Outcome Reinforcement Contingencies And Process Reinforcement Contingencies Using Concurrent Training With The Severely Mentally Impaired, Nancy Lonsberry
Masters Theses
This study compared the effectiveness of Outcome and Process reinforcement contingencies using concurrent training to teach severely mentally impaired students to perform component tasks. Each student was trained to assemble a four-piece apparatus using either the Outcome contingency or the Process contingency. The Outcome method was defined as a contingency where the final outcome of a component task has been achieved and a reinforcer is delivered contingent upon that outcome. The Process method was defined as a contingency where reinforcement occurs after the performance of each step in the sequence and when the final outcome of the task has been …