Marital Satisfaction, Sex, Age, Marriage Duration, Religion, Number of Children, Economic Status, Education, and Collectivistic Values: Data from 33 Countries - Piotr Sorokowski; Ashley K. Randall; Agata Groyecka; Tomasz Frackowiak; Katarzyna Cantarero; Peter Hilpert; Khodabakhsh Ahmadi; Ahmad M. Alghraibeh; Richmond Aryeetey; Anna Bertoni; Karim Bettache; Marta Błażejewska; et al. (Frontiers in Psychology, 2017)