Final answer:
B) Switch to a more directive leadership style to address the tension and dissent. When a group exhibits tension and dissent, it is not effective to continue with a laissez-faire leadership style. It is more appropriate to switch to a more directive leadership style to address the issues and facilitate conflict resolution.
Step-by-step explanation:
When a group starts exhibiting tension and dissent, it may not be effective to continue with a laissez-faire leadership style. While this style allows group members to work through issues independently, it can risk group dissolution and lack of progress. To address the tension and dissent, it would be more appropriate to switch to a more directive leadership style. This would involve actively addressing the issues, providing guidance, and facilitating discussions to help the group resolve their conflicts.