According to the PMBOK Guide, a strengths-based team is a team that knows and understands the strengths of each individual and they work alongside each other with a deep knowledge of how each person plays their role in the team1. A strengths-based team can enhance team performance, collaboration, innovation, and engagement2. Positive psychology is a branch of psychology that focuses on the positive aspects of human experience, such as happiness, well-being, resilience, and flourishing3. Positive psychology can help team members discover and leverage their strengths, appreciate and support each other, and cultivate a positive mindset and attitude4. Therefore, the project manager should explain the benefits of the strengths-based approach and the effects of positive psychology to the team members who are not actively participating. This can help them understand the purpose and value of the workshops, motivate them to engage and contribute, and foster a positive team culture5.

The other options are not the best ways to deal with the situation. Having a one-on-one discussion with each team member (A) may be helpful, but it is time-consuming and may not address the root cause of the lack of participation. Documenting the behavior of the team members and highlighting it during their performance reviews (B) may be punitive and demoralizing, and it does not provide any constructive feedback or guidance. Identifying the team members who are not participating and reprimanding them © may be harsh and counterproductive, and it may create resentment and conflict within the team.