What is a PhD?, and what’s the difference between a PhD and a MSc degree?, what it takes to complete a PhD programme?.

You will find very useful information on the web. The following web sites can guide you and/or help you to make up your mind as they tell the pros and cons for pursuing a PhD degree. Hopefully, they can help prospective students to make a sound decision about their future graduate studies.

The illustrated guide to a Ph.D.
http://matt.might.net/articles/phd-school-in-pictures/

What is the Difference Between a Master’s Degree and a Doctoral Degree?
http://gradschool.about.com/od/admissionsadvice/a/masterphd.htm

What is a PhD?
http://www3.imperial.ac.uk/registry/researchdegrees/usefulinformation

PhD study: what is a PhD? (this site is particularly useful. Navigate
the right hand side «PhD study» menu for much more info: PhDs
Explained, Making Choices, Doing a PhD, etc)
http://www.findaphd.com/student/study/study-18.asp

Is a PhD the right option for you?
http://careers.guardian.co.uk/phd-right-career-option

Not for love or for money – why do a PhD?
http://www.guardian.co.uk/higher-education-network/blog/2012/may/03/phd-doctorate-higher-education-love-money