Answer: a
Step-by-step explanation:
The key belief behind brainstorming is that if you get as many ideas as possible, you increase the likelihood of getting the best possible solution. You gain increased buy-in and commitment to the solution through collaborating as a group and getting input. According to research, giving employees a voice and involving them in decision-making increases motivation and improves engagement.
Although beneficial, brainstorming has also received some criticism. Many studies have pointed out that brainstorming does not produce more ideas than a group of individuals coming up with ideas on their own. There are definitely best practices you want to follow for a successful brainstorming meeting.