Related Experiment Video
Updated: Jun 15, 2026
10:46
A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
Published on: December 9, 2015
Regional intelligence and suicide rate in Italy
1Department of Basic Psychological Research, School of Psychology, University of Vienna, Liebiggasse 5, Rm 03-46, A-1010 Vienna, Austria. martin.voracek@univie.ac.at
Psychological Reports
|March 17, 2010
Summary
Regional IQ estimates and suicide rates in Italy show a positive correlation, even after accounting for regional wealth. This study explores the link between cognitive ability and suicide risk within nations.
Area of Science:
- Psychology
- Sociology
- Public Health
Background:
- Previous research indicates a correlation between intelligence quotient (IQ) and suicide rates in European countries.
- Understanding the relationship between cognitive ability and suicide risk is crucial for public health initiatives.
Purpose of the Study:
- To investigate the association between regional IQ estimates and suicide rates in Italy.
- To determine if this association persists after controlling for regional affluence.
Main Methods:
- Analysis of regional IQ estimates and suicide rates in Italy.
- Statistical correlation analysis, including controls for regional economic factors.
Main Results:
- A positive correlation was found between regional IQ estimates and suicide rates in Italy.
- The association remained significant even when controlling for regional affluence.
Conclusions:
- The findings replicate previous European studies, suggesting a consistent link between cognitive ability and suicide risk at a regional level within Italy.
- Further research is warranted to explore aggregate-level associations of cognitive ability and suicide risk within nations.
Related Concept Videos
01:30Biological Influences on Intelligence
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter more...
01:29Bias in Epidemiological Studies
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:
01:29Environmental Influences on Intelligence
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children from...
01:17Bonanno's Theory of Grieving
Grieving is a complex psychological and emotional process that varies significantly among individuals. George Bonanno's research on bereavement identified four distinct patterns of grieving, offering a nuanced understanding of how people cope with significant loss, such as the death of a spouse, over extended periods. These patterns — resilience, recovery, chronic dysfunction, and delayed grief — highlight the diversity in emotional responses and adaptive mechanisms.
Resilience
The resilience...
Resilience
The resilience...
01:29Psychological and Sociocultural Causes of Schizophrenia
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
01:27Intelligence
The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember detailed...