Decide how to assure group effectiveness. In a corporate setting, a manager is tasked with forming a new project team to work on a critical initiative. The manager is keen on ensuring the team's effectiveness. Based on influences on group potential and environmental factors, which of the following considerations should the manager prioritize when assembling this team? A.) Defining a clear and meaningful purpose for the team B.) Selection of team members who have worked together before to enhance cohesiveness C.) Implementing a complex reward system to motivate team members D.) Providing extensive training to the team members to improve their skills