Involving other people in making a decision is likely to increase the quality of a decision when participants have information and knowledge lacked by the leader and are willing to cooperate in finding a good solution to a decision problem.

Involving others in decision-making can enhance the quality of the decision when these participants bring unique information and knowledge that the leader may not possess, and when they are cooperative towards finding an effective solution. This diversity of perspectives and expertise can lead to more informed and comprehensive decisions.