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IQ Malleability: The Role of Epigenetics and Dopamine D2 Receptor
Genetics and Cognitive Abilities

Epigenetic Influence on IQ Malleability: Insights from the IMAGEN Project

The study by Kaminski et al. (2018) investigates the intricate relationships between genetic, epigenetic, and neurobiological factors that contribute to variability in general intelligence (gIQ). By focusing on dopamine D2 receptor (DRD2) gene modification, gray matter density, and striatal functional activation, the research sheds light on the complex interplay influencing …

Dissecting Cognition: Spatial vs. Abstract Reasoning
Cognitive Abilities and Intelligence

Dissecting Cognition: Spatial vs. Abstract Reasoning

Research into cognitive testing often aims to clarify the underlying structures of intelligence. This study analyzed data from the Jouve Cerebrals Test of Induction (JCTI) and the General Ability Measure for Adults (GAMA) to identify two distinct factors influencing reasoning abilities: spatial-temporal reasoning and abstract reasoning. Using data from 118 …

The Relationship Between Education and Intelligence
Educational Psychology and Interventions

How Education Can Improve Intelligence

The connection between education and intelligence has long been a subject of scientific inquiry. Ritchie and Tucker-Drob’s (2018) meta-analysis provides significant insights into this relationship, offering evidence that additional years of education can enhance cognitive abilities across various life stages and cognitive domains. Background Research on intelligence has consistently debated …

The Impact of Growth Mind-Set Interventions on Academic Achievement
Educational Psychology and Interventions

The Impact of Growth Mind-Set Interventions on Academic Achievement

Growth mindset theories suggest that students who believe their abilities can improve through effort tend to achieve better outcomes in academics. Sisk et al. (2018) conducted two meta-analyses to assess how growth mindsets correlate with academic success and whether interventions designed to foster growth mindsets are effective in improving student …