And for the statistics maniacs:
4 different airlines were used
Around 50 kilometres were walked
1250 km were covered with the trains
3 universities were visited
Around 600 men and women were approached
More than 400 of them finally filled in one questionnaire each
The places visited in alphabetic order:
Casilhas metro and train stations (Porto)
Casilhas (Lisbon)
Central shooping streets (Barcelona)
Central shoping streets (Lisbon)
Central shopping streets (Madrid)
Central shopping streets (Porto)
Dragao shopping mall (Porto)
Economics University (Lisbon)
Gracia (Barcelona)
IADE University (Lisbon)
Parc de la Ciutadela (Barcelona)
Parque da cidade (Porto)
Parque del Retiro (Madrid)
Passeig de Gracia (Barcelona)
Plaza del Sol (Madrid)
Plaza Mayor (Madrid)
Pompeu Fabra University (Barcelona)
Santa Apolonia train Station (Lisbon)
Tribunal metro station (Madrid)
Trinidad metro station (Porto)
UP Institute of Sciences (Porto)