Problem Statement: Understanding the phenomenon of doping from a psychological perspective m ay lead to learning a new dimension of some factors that may influence the athletes' behavior towards fair-play attitudes. Purpose of the Study: T he main purpose of this study was to assess the possible correlations between psychological factors and doping behavior.Research Methods: T he sampling was a simple random multi-strata cluster type pattern with random circulation. 500 athletes participated to this study (aged 14-28) and have been practicing sport for an average of 8.74 years. T ype A and T ype B Beh avior Questionnaire (Mirabeal, 1986) and T ough-mindedness/T ender-mindedness (Eysenck-Wilson, 1985) were used in this study. All questionnaires have been processed in SPSS. Findings: Calculation of correlation coefficients did reveal significant values between the scores resulted in the type of personality AB. T he Eysenck -Wilson questionnaire noticed that values greater than the average occur on the group's level, which shows a certain feature as predominant. Conclusions: T he personality structure of the athletes to the research is featured by average values and the items of the applied tests, with plus and minus variations depen ding on the age or the experience in sport activity. Assertiveness and masculinity are expressed on superior level.