The following paper will be a literature review about the methods for diagnosing and intervention of groups. It should be a look into what experts and scholarly sources have to say about methods for diagnosing and intervention of groups. It should all be fairly recent (sources no more than 5 years old). Describe what experts in the field of business are saying about this topic. It should also discuss why experts believe having methods for diagnosing and intervention of groups is important. Remember, this is a literature review so it is simply explaining what various scholarly sources have to say on the matter.