There are several types of research! There is clinical research, which could involve lab work and testing biological samples. There is social research, which could involve observing the way people behave in a social environment, or you might take a survey about things that you have experienced in your life. There is experimental research which could involve testing the effects of an experimental group against a control group. For example, there might be too acne creams that might work, and you are trying one versus the other. And the list goes on!