<![CDATA[This study examines the effectiveness of feedback and reinforcement-based psychological strategies in improving the life skills of Petanque athletes in Musi Rawas Regency, South Sumatra, Indonesia. Life skill development has become an important concern in modern sport psychology because it supports athletes’ emotional, social, and leadership competencies in addition to physical performance. However, the implementation of psychological strategies in precision sports such as Petanque remains limited. A quasi-experimental pre-test and post-test control group design was conducted involving 40 athletes divided into experimental and control groups over eight weeks. The Life Skills Scale for Sport (LSSS) was used to assess eight dimensions of life skills. Data were analyzed using paired t-tests, ANCOVA, and Cohen’s d effect size. The findings revealed significant improvements in teamwork, emotional regulation, and leadership among athletes in the experimental group, with the overall life skills score increasing by 15.2% (d = 0.82). Qualitative findings also indicated enhanced motivation, communication, and self-confidence. These results suggest that feedback and reinforcement-based psychological strategies are effective in promoting athlete life skill development and may be integrated into Petanque training programs.]]>
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