title: Mind the level: problems with two recent nation-level analyses in psychology.
authors.affiliation: Faculty of Behavioural and Social Sciences, University of Groningen Groningen, Netherlands.
authors.forename: Toon
authors.initials: T
authors.lastname: Kuppens
authors.affiliation: Faculty of Psychology and Education, VU University Amsterdam Amsterdam, Netherlands.
authors.forename: Thomas V
authors.initials: TV
authors.lastname: Pollet
keywords: country age; cross-cultural differences; ecological fallacy; environmental performance; meaning in life; religious beliefs; statistical analysis; wealth