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Re:A review of correlations between big five personality typ... by orthoxerox on Sunday May 09, 2021 @03:35PM (#27098994)
> Intelligence is surely a multi-dimensional vector

There's a single component responsible for almost half of the difference: https://en.m.wikipedia.org/wiki/G_factor_(psychometrics)

Re:A review of correlations between big five personality typ... by jcims on Sunday May 09, 2021 @06:03PM (#27100250)
This is just another layer of aggregation, emphasis mine:

>It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the fact that an individual's performance on one type of cognitive task tends to be comparable to that person's performance on other kinds of cognitive tasks.