The poll was conducted by Bogaziçi University Centre for European Studies, with a sample group of 5,000 people in Germany, France, the United Kingdom, Spain and Poland.
Sondajul a fost realizat de Centrul Universitar Bogaziçi pentru Studii Europene pe un grup eşantion de 5 000 de persoane din Germania, Franţa, Marea Britanie, Spania şi Polonia.