For those who did not notice Werner's comment, below are the links he provided
- 2004 PowerPoint presented APS in Atlanta - deals with working memory, intelligence and Phil Ackerman's PPIK-theory under a Brunswik symmetry perspective. [Editorial note - I'm a big fan of Ackerman's PPIK theory, particularly his work on aptitude-trait complexes, which follow's in the footsteps of Richard Snow's work on aptitudes.]
- 2004 presentation at the 4th Spearman conference - relating Brunswik symmetry to education