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Appl Neuropsychol Child. 2018 Jul-Sep;7(3):257-267. doi: 10.1080/21622965.2017.1306443. Epub 2017 Apr 7.

PTA scale for children aged 4 to 7 years: Selecting developmentally valid and reliable items.

Author information

1
a School of Psychology , The University of Sydney , Sydney , NSW , Australia.
2
b Australian Research Council Centre of Excellence in Cognition and its Disorders , Sydney , NSW , Australia.
3
c Brain Injury Rehabilitation Program, Sydney Children's Hospital , Randwick , NSW , Australia.
4
d NHMRC Centre of Research Excellence for Traumatic Brain Injury Rehabilitation , Sydney , NSW , Australia.
5
e Rehabilitation Studies Unit, Northern Clinical School, Sydney Medical School , The University of Sydney , Sydney , NSW , Australia.

Abstract

The aim of this study was to select developmentally valid and reliable items for inclusion in criterion-referenced (pass > 90%) posttraumatic amnesia (PTA) scale for children aged 4 to 7 years in a prospective cohort study. Fifty-two typically developing children (26 male/26 female) aged 4 to 7 years were administered a set of 10 items (5 orientation, 5 memory) over 3-4 days. The total score obtained on the set of 10 items had poor developmental validity and test-retest reliability. Nevertheless, individual item analysis identified five items (three orientation and two memory items) that were consistently passed by >90% of the children on each day of testing. For these five items the total scores did not differ significantly either between age groups or between days of testing. Test-retest was extremely high (close to 1). The five items had excellent developmental validity and test-retest reliability. This study identified 5 (3 orientation and 2 memory) items that met our selection criterion and form a new PTA scale, the Sydney PTA scale (SYPTAS), for children aged 4 to 7 years.

KEYWORDS:

Children; memory; orientation; posttraumatic amnesia

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