The syllabus for DBH 9100 requires the following text:
Bordens, K. & Abbott, B.B. (2013). Research design and methods: A process approach, 9th Edition. NY: McGraw Hill
Bordens and Abbott update their material regularly. The eighth edition (2010) may be found online as a free PDF download.
A very smart initial move is to take a look at existing literature reviews about your topic. These can be good time-savers as they can provide a recent overview on your subject -- plus, they will develop your knowledge so that you can critically analyze existing research. Looking at existing literature reviews can show you the following: