Available Scores on the WJIII DRB

Raw Scores

(number correct, number of points, or number of errors)

Age or Grade Equivalents

(reflects age or grade level at which average score is same as subject's raw score)

Relative Proficiency Index (RPI)

(RPI=0/90 to 100/90)

Standard Scores, Percentile Rank

(Mean=100, SD=15)

Range: SS= 0-200+, PR=0.1 to 99.9

T scores, z scores, NCEs, Stanines, or CALP scores

Discrepancy Scores (SD, PR)