T SCORE By N., Pam M.S. - April 13, 2013 These are scores scaled to have a mean of 50 and a standard deviation of 10. The average of these scores is 50 and these tests are dealt with hypothesis. T SCORE: "A T score is a scaled score." Related Psychology Terms STANDARD SCORE MENTAL RETARDATION (MR) BEHAVIORAL PROFILE BANDING STANINE GRADE NORM STANDARD ERROR OF THE MEAN WECHSLER INTELLIGENCE SCALE FOR CHILDREN (WISC) STANDARD ERROR AVERAGE ABSOLUTE DEVIATION Cite this page: N., Pam M.S., "T SCORE," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/t-score/ (accessed September 18, 2021).