Assessing the impact of coaching on player strategy involves analyzing the changes in players' decision-making, tactical awareness, and execution during games or practices. This can be done through performance metrics, such as improved statistics in critical areas, as well as qualitative assessments through player feedback and observations during gameplay. By comparing player performance before and after coaching interventions, one can gauge the effectiveness of strategies taught by coaches. Additionally, video analysis can provide insights into how well players are implementing the tactics discussed in training, thereby highlighting the coach's influence on their strategic development.