What is a T-Score?
A T-score is another standard score, like the percentile score in some respects. T-scores are typically set with a mean (average) of 50 and two thirds of all scores falling between 40 and 60. T-scores can be set with a mean of 50 and two thirds of scores falling between 22 and 78. In this system, most T-scores will fall between 1 and 100, approximating percentile scores. T-scores are more appropriate than percentile scores for research purposes, so they are often included in test reports.
