What essential characteristics distinguish a true experiment from other research designs? What ethical problems do you see in conducting experiments with humans?

Types of research

You are the manager of a hotel. There have been several complaints from guests relating to employee attitude. Provide a description of three different types of research that might be appropriate for this situation.

DQ2: (200 words)

What essential characteristics distinguish a true experiment from other research designs? What ethical problems do you see in conducting experiments with humans?