Quick Hits
Daily brief research updates from the cognitive sciences
Despite a belief in many that society is falling apart and becoming less caring and social this study proves the opposite.
A study published by Yuan et al. with the American Psychological Association analysed 511 studies conducted between 1956 and 2017 and including over 63’000 participants. This takes us from what many consider the Golden Age of the USA in the 1950s to the modern era. And what did they find?
They found that there was a slow but consistent increase in helping stranger and general cooperativeness over the period. This shows that in the USA a tendency to be cooperative and help strangers has increased over time. This may counteract some people’s beliefs and portrayals of polarised societies.
The authors note this correlates with certain factors such as increased urbanization, societal wealth, income inequality, and also people living alone. Each of these could contribute to increased willingness to help strangers. However, this is only a correlation and they can’t show causation – it is likely multiple reasons including the above. As people move into cities, live closer to each other but also live alone we may be more open to and willing to help others. The same applies to increased wealth giving some people the financial ability to help others particularly if there is need with income inequality.
But the most important take way is that this is good news and though we may see and be drawn to media reports of negativity and polarised anti-social behaviour in society – the fact is we (well, the USA at least) is becoming more cooperative and helpful.
And that’s good news ain’t it!

Andy Habermacher
Andy is author of leading brains Review, Neuroleadership, and multiple other books. He has been intensively involved in writing and research into neuroleadership and is considered one of Europe’s leading experts. He is also a well-known public speaker speaking on the brain and human behaviour.
Andy is also a masters athlete (middle distance running) and competes regularly at international competitions (and holds a few national records in his age category).
Reference
Mingliang Yuan, Giuliana Spadaro, Shuxian Jin, Junhui Wu, Yu Kou, Paul A. M. Van Lange, Daniel Balliet.
Did cooperation among strangers decline in the United States? A cross-temporal meta-analysis of social dilemmas (1956–2017)..
Psychological Bulletin, 2022; 148 (3-4): 129
DOI: 10.1037/bul0000363
More Quick Hits
Coffee Makes Business Teams More Effective
Quick HitsDaily brief research updates from the cognitive sciences just couldn’t resist reviewing this piece of research, from a few years ago, after I stumbled across this (likely because some background algorithm had recommended it to me based...
Caffeine Makes You More Prone to Impulsive Buying
Quick HitsDaily brief research updates from the cognitive sciences fascinating piece of research just published shows that drinking coffee makes you more impulsive. That means you are likely to buy more, and more items you actually don’t need....
Healthy Brains Are Hotter Than You Think
Quick HitsDaily brief research updates from the cognitive sciences hen we get sick we get a fever and we all know what our body temperature should be: around 37°C. Too much above that and we have a fever, and too much below and we risk...
Unpredictable Parents Disrupt Brain Circuitry in Children
Quick HitsDaily brief research updates from the cognitive sciences ntuitively we all know that good parenting is essential to kids’ healthy development. We all agree on that. But as soon as we try to define what good parenting is we then enter into...
A New Study on Inter-Brain Synchronisation
Quick HitsDaily brief research updates from the cognitive sciences n case you didn’t know it brain synchronisation (or inter-brain synchronisation) is a thing. And a pretty cool thing. This happens when two, or more, people do similar things...
Unique Social Genes in Human Beings
Quick HitsDaily brief research updates from the cognitive sciences ne differentiating factor with human beings is our pro-sociality. This means we are a social species, and this sociality is seen in our ability to empathise, be socially tolerant,...