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Cumulative Rehearsal and Auditory Verbal Memory of Persons with Down Syndrome
Authors: Oluseyi Akintunde Dada, Anulika Chinyere Okpara, Owoade Philip Adeleke, Maureen Okang Okon, Anne Merimekwu, Effa German Anagbogbu, Janet Petters, Grace Onya Edu, Asuquo Eno, Levi Udochukwu Akah, Martin Afen Olufu
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One of the characteristics of persons with Down syndrome is poor memory, especially the Auditory-Verbal
Memory (AVM). Lack of verbal memory among persons with Down syndrome is one major factor that inhibits learning.
This is why the effort towards enhancing AVM of persons with Down syndrome is evolving. This study, therefore,
investigated the efficacy of cumulative rehearsal on auditory verbal memory of persons with Down syndrome with
speech production and gender as moderator variables.
A 2 x 2 x 2 factorial matrix of pretest-posttest control group experimental design was used in the study. A sample of thirty
participants was drawn from a population of 44 persons with Down syndrome and randomly assigned to control and
experimental groups in two special schools; National Orthopaedic Special School, Igbobi, and Modupe Cole Memorial
Childcare and Treatment Home/School, Akoka. Data was collected using a validated self-developed instrument, Auditory
Verbal Memory Assessment Scale (AVMAS) (r-0.86). Two hypotheses were tested using ANCOVA.
Findings from the study revealed that: cumulative rehearsal therapy significantly impacted the auditory-verbal memory of
persons with Down syndrome, with significant improvement observed. There was no significant interaction effect of
speech level and gender with the therapy.
It was thus concluded that cumulative rehearsal therapy is effective in enhancing auditory-verbal memory and so
recommended for the improvement of AVM of persons with Down syndrome