Before revision: Standard/Z scores, percentages, and sten scores Z-scores < -2.0 -2 to -1.5 -1.5 to -1.0 -1.0 to -.5 -.5 to 0 0 to + .5 + .5 to + 1.0+1.0 to +1.5+1.5 to +2.0> +2.0 Percent 2.3%DIF < 4.4%DIF < 9.2%DIF < 15.0%DIF < 19.2%DIF < 19.2%DIF < 15.0%DIF < 9.2%DIF < 4.4%DIF < 2.3%DIF < Sten 1 2 3 4 5 6 7 8 9 10 %DIF > 4.4% 9.2% 15.0% 19.2% 19.2% 15.0% 9.2% 4.4% 2.3% Sten 1 2 3 4 5 6 7 8 9 10 Stafive 1 2 3 4 5 Stasix 1 2 3 4 5 6 Sten scores (for the entire population of results) have a mean of 5.5 and a standard deviation of 2.McNab, D. et al Career Values Scale: Manual & Users' Guide, Psychometrics Publishing, 2005.
After revision: Standard/Z scores, percentages, and sten scores Z-scores < −2.0−2.0 … −1.5−1.5 … −1.0−1.0 … −0.5−0.5 … −0.0 + 0.0 … + 0.5 + 1.0+1.0 … +1.5+1.5 … +2.0> +2.0 Percent 2.3%DIF < +0.5 … + %DIF > 4.4% 9.2% 15.0% 19.2% 19.2% 15.0% 9.2% 4.4% 2.3% Sten 1 2 3 4 5 6 7 8 9 10 Stafive 1 2 3 4 5 Stasix 1 2 3 4 5 6 Sten scores (for the entire population of results) have a mean of 5.5 and a standard deviation of 2.McNab, D. et al Career Values Scale: Manual & Users' Guide, Psychometrics Publishing, 2005.