Samstag, 12. April 2014

Eyes and IQ: A meta-analysis of the relationship between intelligence and “Reading the Mind in the Eyes”

Eyes and IQ: A meta-analysis of the relationship between intelligence and “Reading the Mind in the Eyes”
Crystal A. Baker, Eric Peterson, Steven Pulos, Rena A. Kirkland
Intelligence (May-June 2014)



Highlights

o Meta-analysis finds relationship between RMET performance and intelligence.

o Contrary to previous assumptions, RMET performance is influenced by intelligence.

o It is important to control for intelligence when using the RMET.

o Verbal and performance IQ contribute equally to RMET performance.


Abstract

Although the Reading the Mind in the Eyes Test (RMET; Baron-Cohen et al. 1997, 2001) has been used as a measure of mental state understanding in over 250 studies, the extent to which it correlates with intelligence is seldom considered. We conducted a meta-analysis to investigate whether or not a relationship exists between intelligence and performance on the RMET. The analysis of 77 effects sizes with 3583 participants revealed a small positive correlation (r = .24) with no difference between verbal and performance abilities. We conclude that intelligence does play a significant role in performance on the RMET and that verbal and performance abilities contribute to this relationship equally. We discuss these findings in the context of the theory of mind and domain-general resources literature.

[Thanks @ Andrew S.]

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