POLAT Project. Spanish Political Attitudes Panel Dataset. Methodology Report (Waves 1-6) - Hernández, Enrique (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Galais Gonzàlez, Carolina (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Rico, Guillem (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Muñoz, Jordi (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Hierro, María José (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Pannico, Roberto (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Barbet, Berta (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Marinova, Dani (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Anduiza Perea, Eva (Universitat Autònoma de Barcelona. DEC Democracy, Elections & Citizenship Research Group) ; Universitat Autònoma de Barcelona. Democracy, Elections and Citizenship