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ThOMAs: The Other Means of Assessment

CDC Northampton General Hospitalm, Northampton, UK anw{at}doctors.org.

Geoffrey D. Debelle, FRCP, FACP

Department of Community Pediatrics, Birmingham Children's Hospital, Birmingham, UK

Paul Davies, MSc, PhD

Statistical Advisory Service, Birmingham Children's Hospital, Birmingham, UK

Tim G. Barrett, MRCP, PhD

Department of Endocrinology, Birmingham Children's Hospital, Birmingham, UK

We describe a pilot study to investigate whether drawing "Thomas the Tank Engine" could be as effective a measure of developmental progress as the Goodenough-Harris Draw A Man test against the ThOMAs test (The Other Means of Assessment), with internal validation. The study included 95 children aged between 3 and 11 years of age, including a subgroup of 13 children with registered special needs from community and general pediatric clinics within Birmingham, UK, as a means of validation. There was no significant evidence that ThOMAS was either culturally or sex biased. Using regression analysis, nine items were found to correlate highly with actual age, and their total score gave a correlation of 0.563 with age. Adding further items did not increase this. After being converted into age-standardized scores, ThOMAS was as sensitive and specific as the Draw A Man test, and more so above a defined age-standardized threshold. This pilot study suggests that drawing Thomas the Tank Engine would appear to be as sensitive and specific a means of identifying children with special needs as the Goodenough-Harris Draw A Man test. The relatively small sample size means that further research is necessary to further define the age standardizations and to refine the ThOMAs test. (J Child Neurol 2005;20:108—111).

Journal of Child Neurology, Vol. 20, No. 2, 108-111 (2005)
DOI: 10.1177/08830738050200020401


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