To effectively manage skill mismatch in resource assignment, consider the following best practices:

1. **Skills Assessment**: Conduct a thorough skills assessment of team members at the beginning of the project. Understand their strengths, weaknesses, and areas of expertise.
2. **Clear Role Definition**: Clearly define roles and responsibilities to ensure that team members understand what is expected of them and can align their skills accordingly.
3. **Training and Development**: Provide training or development opportunities for team members to close skill gaps. This could be through workshops, courses, or mentorship programs.