Powered Mobility Manual - Cerebral Palsy Alliance

Appendix 12.13GAS Attainment T-Score Conversion TableTotal raw scores(sum of scale scores)Number of goals1 2 3 4 5 6-12 19.02-11 21.60-10 19.85 24.18-9 22.86 26.76-8 20.98 25.88 29.34-7 24.61 28.89 31.93-6 22.62 28.24 31.91 34.51-5 27.18 31.86 34.92 37.09-4 25.19 31.74 35.49 37.94 39.67-3 31.39 36.31 39.12 40.95 42.25-2 30.00 37.59 40.87 42.75 43.97 44.84-1 40.00 43.79 45.44 46.73 46.98 47.420 50.00 50.00 50.00 50.00 50.00 50.001 60.00 56.21 54.56 53.63 53.02 52.582 70.00 62.41 59.13 57.25 56.03 55.163 68.61 63.69 60.88 59.05 57.754 74.81 68.26 64.51 62.02 60.335 72.82 68.14 65.08 62.916 77.38 71.76 68.09 65.497 75.39 71.11 68.078 79.02 74.12 70.669 77.14 73.2410 80.15 75.8211 78.4012 80.98Adapted from Cardillo JE (1994) and www.gasbankscales.com by Linda Elliott, 2007103