This study was conducted to examine the aggression levels and empathic tendency levels of secondary students who involve or not involve in sports. "Aggression Inventory" developed by Kiper (1984) and "Empathic Tendency Scale" developed by Dokmen (1998) were applied to a total of 514 secondary school students (consists of 266 males, 248 females) who had been studying in a secondary school in the city center of Comm province and had been randomly selected in the academic year of 2010-2011. "Multivariate Analysis of Variance (MANOVA)" and "One-Way Analysis of Variance (ANOVA)" were used for the analysis of data and as a result of these variance analyses; "The Scheffe's Test" was used in order to determine the source of the difference. According to the findings obtained, it has been observed that the students whose family members involve in sports found to have higher destructive, assertive and overall aggression scores when compared to the students whose family members do not involve in sports. It was found that assertive aggression scores of the students who involve in sports are higher than the students who do not involve in sports. It was found that empathic tendency scores of the students who are also national athletes are higher than the scores of students who are club athletes. As a result, the empathy level of people decreases with the increasing level of aggression. It can be argued that the passive aggression decreases with the increasing empathic tendency and assertiveness increases with the increasing empathic tendency. (C) 2014 The Authors. Published by Elsevier Ltd.