If you want to know more about the uselessness of the p value read articles like:
Cohen, J. (1994). The earth is round (p < .05). American Psychologist, 49, 997-1003.
Schmidt, F., L, & Hunter, J. E. (1997). Eight common but false objections to the discontinuation of significance testing in the analysis of research data. In L. L. Harlow, S. A. Mulaik & J. H. Steiger (Eds.), What if there were no significance tests? (pp. 37-64). London: Lawrence Erlbaum Associates.