Rafa el Egea ~ Por tfolio eXperien ce HOTELS Analysis Phase 15 Affinity Dia gram After reviewin g all th e research data, I began writin g th e n otes, usin g different colours for th e different sources of data, an d, with th e h elp of my girlf rien d, Petra, we stuck th em on a bla ckboard. Different colors of n otes were used for different sources of data: Competitive Ben chmark Onlin e Sur vey Note Takin g Usability Test