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Is IQ related to the Big Five personality trait “emotional stability” (i.e., a lack of neuroticism)?
Note: This is a section of a longer article. To go to the start, click here . No. We measured four facets of emotional stability with...
Sep 22, 20242 min read


Is there a relationship between IQ and how much a person was read to as a child?
Note: This is a section of a longer article. To go to the start, click here. Yes. We asked our participants how much they were read to as children (with answer options ranging from never to nearly every day) and correlated their response to IQ. This correlation turned out to be r = 0.17 (n = 652) which indicates that participants who were read to more often during childhood ended up being slightly more intelligent in adulthood. Importantly, this correlation did not change onc
Sep 22, 20242 min read


Is there a correlation between self-estimated IQ and measured IQ?
Note: This is a section of a longer article. To go to the start, click here . Yes. We asked participants the following question: “Out of...
Sep 22, 20242 min read
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