It depends on what they are trying to accomplish.

For example, say they all want to start up a business together. If they all visualized and believed in the success of their company, they would do very well.

But let's say they're trying to visualize someone cured of a disease. Then I would say the wellness of that person came from themself and no one else. I know people have said they were helped or healed because of someone else's prayers or energy- but I think that's just because they believed it would help them.

I see it this way- we are all vibrating our own energy, not taking it or giving it to others. I don't think its something that can be given or taken, and that's why we can't change anothers reality. I think the best we can do is try to keep our own vibrations high so that others will pick up on it and raise their own. But its still completely up to them whether or not they do.

Or, say you pray for someone but don't tell them, and they get better. Was it because of you? I think our vibrations can reach others, regardless how far they are. I believe we can feel them if we are open to them, but it is still up to us how we respond. We can just stay put and ignore it, or respond to it and vibrate to match it. But the choice is still up to us individually.