Which one is more effective for idea generation and creative communication? Individual brainstorming or group brainstorming? And why?

Thanks 

In my opinion, group brainstorming, since you can exchange ideas and thoughts among different cultures and minds  

I think group brainstorming is the effective one. Hence to think and come up an idea can be validated in a group, consulted and comparing within a group, and collected of the group to make a general idea at once. In other words its an easy way to think an idea where in facts there are ideas among the group to combine and a fast way to decide in one concrete plan. 

of course group brainstorming because it's a good Technique for groups to generate ideas without any kind of judgement just we speak with each other like friends but more organized 

Group brainstorming;you have varieties ideas to select the best while individua brainstorming you have few ideas to pick from.

Thank you for invitation. I agree with experts answer & I looking forward new experts answer. 

both. Individual brainstorming has its on impacts and group brainstorming has its own. its up to situation. you choose it by seeing the target audience.

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I AGREE WITH M / OMAR SAAD

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I agree with our experts here. Thanks for inviting!