Whether or not negative or positive sign used in t-value Whether or not negative or positive sign used in t-value Others research 3 seema rani 8 Rep. 9 years ago Some journals use negative sign in t-values. Is it right or not. Dr. S. P. Singh (Editor-in-Chief) answered 9 years ago 2 answers ActiveVotedNewestOldest 3 satinder kaur 33 Rep. 9 years Ago t test is used for the significant difference between the mean value of two groups so it does not matter to use negative or positive sign. 2 Dr. S. P. Singh (Editor-in-Chief) 1.01K Rep. 9 years Ago The best way to report a t-value is to write it in absolute values irrespective of the sign but the researches must ensure to explain the direction of the difference between the groups. Dr. S. P. Singh (Editor-in-Chief) edited answer 9 years ago Pease login or signup Login Sign up × Login Username Password Remember Me Follow question Question stats Active9 years AgoViews7530 timesAnswers2 answersFollowers3 followers