Definitions for "Standard Score"
Derived score that transforms a raw score in such a way that it has the same mean and the same standard deviation. The standard score scale is an equal-interval scale; that is, a difference of five points has the same meaning throughout the scale.
in reference to testing, a derived score that shows how far a given score is above or below the average score of the norm group
Score standardized by taking the deviation of the score from the mean and dividing it by the standard deviation