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Evidence shows that education and intelligence have a complex interaction, and this is demonstrated in a longitudinal study by Richards and Sacker. [9] They collected data from the British 1946 birth cohort and investigated how childhood intelligence was predictive of other outcomes later in life including educational attainment and mental ability at 53 years old (using the National Adult ...
Zuckerman et al. published an updated metanalysis in 2019 with 83 studies finding "strong evidence" of a negative correlation between religiosity and intelligence of -.20 to -.23. [34] Zuckerman cautioned that the results are not generalizable beyond the Western world and that predicting religiosity from intelligence for individuals is fallible ...
The mean correlation of IQ scores between monozygotic twins was 0.86, between siblings 0.47, between half-siblings 0.31, and between cousins 0.15. [ 81 ] The 2006 edition of Assessing adolescent and adult intelligence by Alan S. Kaufman and Elizabeth O. Lichtenberger reports correlations of 0.86 for identical twins raised together compared to 0 ...
A genetic correlation between two traits will tend to produce phenotypic correlations – e.g. the genetic correlation between intelligence and SES [16] or education and family SES [37] implies that intelligence/SES will also correlate phenotypically. The phenotypic correlation will be limited by the degree of genetic correlation and also by ...
Those who do better on childhood intelligence tests tend to have a lower drop out rate, and complete more years of school and are predictive of school success. [4] For instance, one of the largest ever studies found a correlation of 0.81 between the general intelligence or g-factor and GCSE results. [13]
The relationship between fertility and intelligence has been investigated in many demographic studies. There is evidence that, on a population level, measures of intelligence such as educational attainment and literacy are negatively correlated with fertility rate in some contexts.
The study of height and intelligence examines correlations between human height and human intelligence.Some epidemiological research on the subject has shown that there is a small but statistically significant positive correlation between height and intelligence after controlling for socioeconomic class and parental education. [1]
IQ tests had lower negative correlations with certain socially undesirable outcomes such as that children with high IQ were less likely to engage in juvenile crime. One example being a study finding a correlation of −0.19 (−0.17 with social class controlled for) between IQ scores and number of juvenile offenses in a large Danish sample.