It is important, for many reasons, to decide on a research method before you start researching:
1. It gives you a mental map on what you are doing.
2. It kicks in a timeline and helps to make sure you complete what you set out to research.
3. Organized and helps to put the 'puzzle' into place.
4. A common 'language' for team discussions.
There are many great places to look for research methods, try a search like this:
http://www.google.com.sg/search?sourceid=navclient&aq=1h&oq=re&ie=UTF-8&rlz=1T4SUNC_enSG380SG381&q=research+methodologies
