Are stepfathers' education levels associated with the intelligence of their stepsons? A register-based study of Norwegian half-brothers
Bibliographic Data
| ID | 5267482 |
|---|---|
| Authors | Willy Eriksen (0000-0003-2196-1815, Norwegian Institute of Public Health, corresponding author), Jon Martin Sundet (Norwegian Institute of Public Health), Kristian Tambs (0000-0001-9463-7923, Norwegian Institute of Public Health) |
| Year | 2013 |
| Volume | 104 |
| Issue | 2 |
| Pages | 212-224 |
| Publication date | 2013-05-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | British Journal of Psychology (JOURNAL) |
| Journal identifiers | ISSN: 0007-1269 • E-ISSN: 2044-8295 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1111/j.2044-8295.2012.02113.x |
| PMID | 23560667 |
| OpenAlex | W1564775781 |
| Language | EN |
| Citations received | 5 |
| References cited | 21 |
We examined the relationship between the parents' education levels and the adult intelligence of their children in a population-based, nationwide sample of Norwegian half-brothers with different fathers (2,016 pairs of half-brothers). In a family where the mother has two children with different men, the firstborn child usually lives with the younger child's father during a period of their childhood. This makes it possible to study the non-genetic effects of paternal education on children's development. Results showed that the education level of the younger half-brother's father was positively associated with the intelligence score of the older half-brother. The education level of the older half-brother's father was not associated with the intelligence score of the younger half-brother. Firstborn men whose half-brothers' fathers had high levels of education had intelligence scores that were 33% (95% confidence interval: 18-47%) of a standard deviation higher than those of firstborn men whose half-brothers' fathers had low levels of education, after adjustment for the biological fathers' education levels, mothers' education levels, and other background factors. These findings are compatible with the hypothesis that a child's family environment exerts an effect on the cognitive abilities of the child that lasts into adulthood
Birth order · Brother · Developmental psychology · Firstborn · Norwegian · Population · Birth, Development, and Health · Cognitive Abilities and Testing · Demography · Family Dynamics and Relationships · Psychology
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Genetic influence on human intelligence (Spearman's g )
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| Unique citing works | 5 |
|---|---|
| Citations per year | 0,45 |
| Citation span | 2015 - 2020 (6) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 5 |