Eleven typically developing children were assessed on the accuracy of prompted self-echoic responses following a 5-s delay from their initial echoic response, replicating procedures in Esch, Esch, McCart, and Petursdottir (2010) that compared discrepancies between echoic and self-echoic scores of autistic and typically developing children following a 2-s delay. We compared the two studies in terms of age, level tested, and echoic/self-echoic discrepancy scores. Age and test level differences were found to be statistically significant. Results are discussed in terms of discrepant self-echoic performance and selfechoic rehearsal as it relates to participant age, test level, motivating variables, and the development of complex behavior.
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Esch, J. W., Esch, B. E., McCart, J. D., & Petursdottir, A. I. (2010). An assessment of self-echoic behavior in young children. The Analysis of Verbal behavior, 26, 3–13.PubMedPubMedCentralGoogle Scholar