Abstract
The aim of this study was to investigate the doping knowledge levels of basketball players in
the development categories. 875 athletes from 14 to 18 years of age participated in the study
voluntarily. Data were obtained by the application of the doping knowledge level
questionnaire. The data were evaluated as percentage and frequency in the SPSS program. In
the results of working; participants first stated that they heard the word "doping" from the
media (41.6%). 92.8% of participants did not pass a doping control before and 93.1% did not
use doping substance before. 94.4% of the athletes did not have any knowledge about doping
side effects and 92.5% stated that they did not have enough knowledge about doping effect. In
addition, 98.7% of participants consider doping a problem and 93.5% want to know about
doping. In the light of these findings; It can be said that it would be useful to organize the
seminars by coachs and club management about doping and its’ side effcets for young
basketball players to increasing the knowledge about the use of doping.