RT Article T1 I-States as objects analysis (ISOA) - a way to generate sequences of categories for longitudinal (CFA) analysis JF Psychologische Beiträge VO 42 IS 3 SP 337 OP 346 A1 Bergman, Lars R. LA English YR 2000 UL https://krimdok.uni-tuebingen.de/Record/1639702598 K1 Längsschnittstudien K1 Methodik K1 Entwicklung