Digital Commons Network^™

Effects Of Reinforcement On The Iq Scores Of Preschool Children As A Function Of Initial Iq, Richard H. Weiss

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The effects of tokens as reinforcers on IQ test performance was investigated in 45 preschool Head Start children. There were 63 children assessed using the Slosson Intelligence Test for Children (SIT), and based upon these scores, were divided into three IQ groups: low, average and high. There were 15 children randomly selected from each group and within each of these groups, subjects were randomly assigned to one of three conditions: Control (C) , Pretest experimental (E₁), and no pretest experimental (E₂). The C and E₁ groups were administered the Peabody Picture Vocabulary Test (PPVT), Form …