As a project manager is developing, managing, and leading the team, that PM should be aware of Tuckman’s model. According to this model, how many stages are there, and what factors would most likely affect the duration of each stage?

A. 4 stages and the duration can be influenced by the team size, leadership, and team dynamics - how they interact.

B. 5 stages and how long those stages last may depend upon the team dynamics, size, and the leadership present.

C. 5 stages and the duration of each stage is affected by the presence of these roles - devil’s advocate, negotiator, and information seeker.

D. 4 stages and the duration of each stage depends on team diversity, technical complexity, and cultural norms.