As Psychologist, it is important to always remember that a good research knowledge will come handy. For example, knowing quantitative type of research, can help us with better statistics.
As in reaching the goal of Educational Psychology, or Psychology of Education, specific tailored researches are THAT important.
For that, we have to be specific on the type of Research we are going to use. Different type of Research serves us different purposes.
There are three main research types.