Scottish Mental Survey 1932 Deary et al. (2004) Journal of Personality and Social Psychology, 86,

Scottish Mental Survey of 1932 June 1st 1932: almost all Scottish children born in 1921 N = 87,498 Scottish Council for Research in Education Godfrey Thomson’s Moray House Test No. 12 IQ-type: verbal, spatial, numerical, abstract Deary et al. (2004) Journal of Personality and Social Psychology, 86,

Health and intelligence (Schacter pp ) Mortality Illness Health Health behaviours Whalley & Deary (2001) British Medical Journal, 322 (7 April), 1-5. Deary (2008) Nature, 456,

Whalley & Deary (2001) British Medical Journal, 322 (7 April), 1-5.

Intelligence: Stability and development Children –IQ at ages 6 and 18, r =.77 –IQ at ages 12 and 18, r =.89 Adults (Concordia study) –World War II veterans tested 40 years on –Verbal IQ factor at ages 25 and 65, r =.93 –Non-verbal IQ at ages 25 and 65, r =.64 Children to adults (Scottish Mental Survey)…

Scottish Mental Survey of 1932 June 1st 1932: almost all Scottish children born in 1921 N = 87,498 Scottish Council for Research in Education Godfrey Thomson’s Moray House Test No. 12 IQ-type: verbal, spatial, numerical, abstract Traced and re-tested 550 in Edinburgh as Lothian Birth Cohort 1921 Deary et al. (2004) Journal of Personality and Social Psychology, 86,

Scottish Mental Survey 1932 Deary et al. (2004) Journal of Personality and Social Psychology, 86,

Age 11 Moray House Test Age 79 Moray House Test correlation =.66 (N = 485)

Deary et al. (2004) Journal of Personality and Social Psychology, 86,

Sex differences in intelligence?

Scottish Mental Survey 1932 Average IQ Boys (40,033) Girls (39,343) Deary et al. (2003). Intelligence, 31, Read up on group differences section in Schacter book, pp

Deary et al. (2003). Intelligence, 31,