Is there a difference between a Research Report and a Report?
As JeffE said, there are differences everywhere about which report is which - potentially confusing the issue.

Having said that, this resource from Purdue University "Purposes and Types of Reports which has further links to examples and guidelines.  But, they do state:


  •There is no universally agreed-upon format.
  
  •You should follow the format for your course or your company.