As you can see, performing Bench Dips is very similar to performing regular dips. When you do Bench Dips, grasp the two handles or parallel bars and then place your feet on the support. While keeping your legs straight, raise yourself up until your arms are fully extended, as shown in Figure 8.
All Wechsler Scales, all Woodcock tests, 1 all Kaufman Tests, Most Tests Published by American Guidance Service, Pro-Ed, 2 Riverside, the Psychological Corporation, and Many Others. Z-scores (z), Percentile Ranks (PR), Standard Scores (SS) (Mean = 100, s.d. = 15), Scaled Scores (ss) (Mean = 10, s.d. = 3), and Stanines (9)
It is the standard score or z-score transformation. The standard score transformation is a linear transformation such that the transformed mean and standard deviation are 0 and 1 respectively. The selection of these values was somewhat arbitrary, but not without some reason.