i/o research @iointelresearch

A repository of scientific findings and data on human intelligence and other psychological traits. New information is added on an irregular basis. Joined October 2021

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i/o research @iointelresearch

3 weeks ago

Meta-analysis: "We conclude that apparent effects of growth mindset interventions on academic achievement are likely attributable to inadequate study design, reporting flaws, and bias." psycnet.apa.org/record/2023-14…

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i/o research @iointelresearch

2 months ago

A new Norwegian study finds that diagnoses for all psychological disorders except bipolar disorder and affective psychosis are most common in the lowest-IQ range and least common in the highest-IQ range. journals.sagepub.com/doi/10.1177/09…

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i/o research @iointelresearch

2 months ago

"Genetic and environmental influences on childhood antisocial and aggressive behavior (ASB) during childhood... revealed a common ASB factor across informants that was strongly heritable (heritability was .96)." pmc.ncbi.nlm.nih.gov/articles/PMC19…

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i/o research @iointelresearch

5 months ago

A new open access journal publishing intelligence research, Intelligence & Cognitive Abilities, includes some very big names among its editors and board, including James Lee, Richard Haier, Robert Plomin and Ian Dreary. icajournal.scholasticahq.com/about

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i/o research @iointelresearch

6 months ago

New paper: "Standardized test scores predict academic outcomes with a normalized slope four times greater than that from high school GPA... [and] they do not underpredict college performance for students from less advantaged backgrounds." nber.org/papers/w33570

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i/o research @iointelresearch

7 months ago

Study finds that in Norway, Sweden and the US genetic influences account for 75–85% of the differences in school grades, while in Germany the genetic contribution is only 60%. academic.oup.com/esr/article/38…