Ok, but the very fact that you write «mother» suggests a certain "demographics", while the title of the actual article is 'Looking for Flynn effects in a recent

Ok, but the very fact that you write «mother» suggests a certain "demographics", while the title of the actual article is 'Looking for Flynn effects in a recent online U.S. /adult/ sample: Examining shifts within the SAPA Project'. I think different scenarios may be suggested.