InstitutionZentrum für Umfragen, Methoden und Analysen -ZUMA- (2)AuthorIversen, Gudmund R. (1)Rothe, Günter (1)Date Issued1989 (1)1987 (1)Series
ZUMA-Arbeitsbericht (2)
Volume1987/08 (1)1989/04 (1)Document Typeresearch report (1)working paper (1)Keyword
construct (2)
Konstrukt (2)validity (2)Validität (2)causality (1)...view moreReviewreviewed (2)Publication StatusPublished Version (2)
