RT Article T1 Measuring attidudinal change in repeated cross-sectional surveys: beliefs about the self, life, and society among Swiss elders (1979-1994) JF Swiss journal of psychology VO 62 IS 1 SP 27 OP 35 A1 Spini, Dario A2 Lalive D'Epinay, Christian LA English YR 2003 UL https://krimdok.uni-tuebingen.de/Record/1639544852 K1 Methodenfragen K1 Einstellungen K1 Kohortenstudie K1 Einstellungsänderung