How do researchers determine what is true based on the data they collect? This question is one of the central concerns of statistics, which uses mathematical models to draw useful conclusions about the real world.

Portugal is one of the warmest European countries. University programs are very affordable. In fact Portugal has one of the lowest living costs for students. Enjoy the the great beaches in Algarve or the old wings of history in the capital city of Lisbon.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.