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Social Reinforcement In African American Preschoolers

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Purpose: “This study was based upon the principal of reinforcement. The purpose of the study was to define observable terminal behavior, the use of descriptive adjectives during play; defining an observable terminal behavior, devising a method to record and measure important categories of spontaneous verbal behavior and manipulating the consequences of the children’s use of language, the presentation of social reinforcement and access to materials contingent upon a specific form of verbal behavior”. (Hart & Risley, 1968). Participants/Population “The participants for this study were 15 African American preschoolers a preschool in Kansas City. All of the participants selected were from large families who had a significant low family income. …show more content…

At group time during group time an observer recorded on a check sheet whether a response of each child within the group was designated by teacher feedback to the teacher as “right or wrong”. During four periods throughout the school year daily samples were taken of children’s’ verbalization during free play. A sample was recorded by the observer who moved with the child from one activity to another. For 15 minute the observer wrote down everything the child said. Each child group was assigned an observer every other day during the periods of sampling. From the samples taken by the observers each child’s vocabulary responses were grouped into three different classes, which included nouns, verbs and adjectives. Only certain adjectives were counted such as descriptive adjectives related to shape, color, size and number. To ensure the validity of the data periodically two observers were assigned to one child. “The data was then compared using charts displaying the average number of descriptive adjectives compared to the number of in correct usage at different periods throughout the day as described in the procedures “(Hart & Risley, …show more content…

The teaching was however not effective in changing the rate in which the participants used spontaneous behavior. The preschool materials proved to be powerful reinforcers in changing the participant’s behavior. Even though traditional teaching procedures were effective in generating adjective-noun combinations in that restricted situation, it was only through the hands on implementation of environmental contingencies that color names as descriptive adjectives seemed to be effective and durably established in all the children's spontaneous vocabularies (Hart & Risley, 1968). There were also many limitations to the study one significant limitation noted was an issue with the reinforcer used, which were preschool materials. The issue with the reinforcer was; while the pre school material may have been a reinforce for some children it ay have not been for others hence, prompting issues with the validity of the

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