behavioural sciences

behavioural sciences

behavioural sciences

Study questions the social dominance of males in most primate societies

An international team has studied dominance relationships between the sexes in 253 populations of 121 different primate species. The data collected indicate that clear dominance by one sex or the other is rare, despite the fact that it was long believed that males dominated females socially in most of them. According to the press release accompanying the paper, the work “challenges traditional views on the natural origins of gender roles.” The results are published in the journal PNAS

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One in six people worldwide suffered from loneliness in the last decade

From 2014 to 2023, one in six people in the world suffered from loneliness, according to a World Health Organisation report, which outlines the causes of this phenomenon and its multiple impacts: on physical and mental health and mortality, as well as on work and the economy. The report estimates that loneliness is linked to more than 871,000 deaths per year and highlights a higher incidence among young people and in low- and middle-income countries.

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In online debates, GPT-4 can be more persuasive than humans

In online debates, Large Language Models (LLMs, i.e. Artificial Intelligence systems such as ChatGPT) are more persuasive than humans when they can personalise their arguments based on their opponents’ characteristics, says a study published in Nature Human Behaviour which analysed GPT-4. The authors urge researchers and online platforms to ‘seriously consider the threat posed by LLMs fuelling division, spreading malicious propaganda and developing adequate countermeasures'.

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Friendship is one of Spain's strengths for human flourishing, says international ranking

Among the factors affecting human flourishing, Spain has strengths such as friendship and balance in life, and weaknesses such as lack of perceived political voice as well as financial and material worries, according to an international study. The flourishing index is based on questionnaires completed by 200,000 people in 22 middle- and high-income countries. Spain ranks 14th in the ranking excluding financial indicators (ahead of Sweden and Germany), and 18th if financial indicators are considered (behind the same countries). The prosperity of Spanish youth is lower than in other age groups, adds the study published in Nature Mental Health

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Spanish population, among the most trusting in scientists, according to a study in 68 countries

An international study on public trust in science conducted in 68 countries, including Spain, has found that most people trust scientists and believe that they should be more involved in society and in policy-making. In addition, a majority of survey participants believe that researchers should play a more active role in society and in political decision-making. The Spanish population's confidence in science ranks seventh out of the 68 countries analysed. The research, which surveyed 71,922 people, provides the largest global data set on trust in scientists since the covid-19 pandemic. The study is published in the journal Nature Human Behaviour and has Spanish participation, led by FECYT.

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Study finds that being born into a large family is associated with a more cooperative nature in adulthood

People who grow up with more brothers or sisters may have a more cooperative personality, i.e. with traits such as honesty, humility and agreeableness, according to a study published in PNAS. Using data from 700,000 adults surveyed online, the research concludes that mean honesty-humility and agreeableness scores are slightly higher in people with more siblings. Among those with the same number of siblings, people born middle and last have a slightly higher mean score than firstborns.

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A study analyses why better decisions are made in adulthood than in adolescence

Adults make better decisions than adolescents, according to a study of 92 participants aged 12 to 42. So-called ‘noise’ in decision-making - making choices that are not the most efficient - decreases with age and is linked to the development of skills such as flexibility and planning, according to the study published in PLoS Biology.

 

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Self-harm remains neglected globally, with at least 14 million episodes per year

A report by the Lancet Commission on Self-Harm highlights that at least 14 million episodes of self-harm occur each year - particularly among young people and in low- and middle-income countries. The paper argues that their impact has been neglected by governments globally and sets out a series of recommendations to reduce their incidence. 

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A soccer project in prisons improves the behaviour of inmates and their chances of reintegration

The Twinning project is a UK-based initiative that organises soccer-based programmes, with the collaboration of professional clubs such as some Premier League clubs, to improve the mental and physical health of prisoners. Research has studied the behaviour of more than 670 of these participants and a group that did not participate, as well as collecting data related to the possible reintegration of those who were in this programme. According to the authors, who publish their research in the journal Nature Human Behaviour, ‘the results indicate that social bonding is associated with better behaviour in prison and a greater willingness of host communities to support reintegration efforts’.

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