Use the concepts of goal clarity and goal-path clarity to explain when a group will experience maximum optimism about its prospects for success.

Goal clarity refers to the extent to which the group's goals are clearly defined and understood by all members. When the group has a clear understanding of what they are working towards, they are more likely to feel optimistic about their prospects for success. This is because they can see a clear endpoint and understand the purpose of their efforts.

Goal-path clarity, on the other hand, refers to the clarity and understanding of the steps and strategies needed to achieve the group's goals. When the group has a clear plan and knows the specific actions they need to take to reach their goals, they will also experience maximum optimism about their prospects for success. This is because they have a clear roadmap to follow and can see a way forward to achieve their objectives.

Therefore, a group will experience maximum optimism about its prospects for success when they have both goal clarity and goal-path clarity. When the group understands their goals and knows the steps needed to achieve them, they will feel confident and optimistic about their ability to succeed. This clarity and understanding provide a sense of direction and purpose, which can boost the group's morale and motivation. As a result, they will be more likely to work together effectively and persistently towards their goals, leading to a greater likelihood of success.