Moral values are the . They shape our , and many other consequential attitudes and actions.
It’s tempting to assume that a person’s moral values are stable across time and circumstances, and to some extent they are — but not entirely. Moral values are malleable and can sometimes change depending on the specific , feelings and that arise .
Our research examined whether , too.
Changing values
Seasons are characterized not just by changes in the weather, but also by many additional changes in our surroundings and the rhythms of our lives. These may include spring cleaning, spending more time with family in summer, back-to-school shopping in the autumn or preparing for winter holidays.
Consequently, . Most people know that seasonal changes in the weather have effects on people’s moods, but that’s just the tip of the iceberg. Psychological research has revealed seasonal effects on , , and many other things.
And so, in our recent research, we investigated .
We examined five core principles that has identified as fundamental moral values. Two of these principles — don’t hurt other people and treat all people fairly — pertain to individual rights and are referred to as “individualizing” values.
Three other principles — be loyal to one’s group, respect authority and maintain group traditions — promote group cohesion and are referred to as “binding” values.
Most people endorse all these values, but people differ in the extent to which they prioritize them, and these priorities have important implications. People who prioritize individualizing values are more politically liberal, whereas people who prioritize binding values are more conservative, more punitive and express stronger prejudices against out-groups.
Seasonal cycles
Do the seasons affect the extent to which people endorse these core moral values? To find out, we obtained data from , a research website that uses online survey methods to assess people’s self-reported endorsement of all five of these core moral values.
Our analyses focused on the values reported by 232,975 respondents in the United States across a decade (2011-20) of data. The results revealed no apparent seasonal cycle in Americans’ endorsement of individualizing values, but there was clear and consistent seasonal cycle in Americans’ endorsement of all three binding moral values.
This seasonal cycle was bimodal, with two peaks and two valleys each year: Americans endorsed binding moral values (valuing loyalty, authority and group traditions) most strongly in the spring and autumn, and least strongly in midsummer and midwinter. This bimodal seasonal cycle in binding moral values showed up again and again in the data, year after year.
This seasonal cycle in binding moral values wasn’t unique to the U.S. either. Additional analyses on data from Canada and Australia revealed similar patterns: Canadians and Australians also endorsed binding moral values most strongly in the spring and autumn, and least strongly in midsummer and midwinter.
Anxiety patterns
What might explain this seasonal cycle in people’s endorsement of binding moral values? One possibility is that it has something to do with the perception of threat, which encourages people to close ranks within a group. Previous research has linked this .
To test this idea, we analyzed data on an emotion associated with threat perception: anxiety. Results revealed that Americans’ self-reported anxiety showed the same bimodal seasonal cycle, and so did 10 years of data on Americans’ Google searches for anxiety-related words. This seasonal cycle in anxiety helps to explain the seasonal cycle in binding values.
This explanation raises a new question: what might explain the seasonal cycle in anxiety? Although we can only speculate, our analyses on moral values revealed an intriguing clue. The summertime dip in Americans’ endorsement of binding moral values was bigger in places with more extreme seasonal changes in the temperature. There was no such effect on the size of the midwinter dip.
Perhaps something similar might be going on with anxiety: maybe that summertime decrease is the result of pleasant weather, whereas the midwinter decrease is more of a holiday effect.
Double-edged sword
Regardless of the cause, seasonal cycles in binding moral values could have consequences that affect people’s lives, for better or worse. Binding moral values promote cohesion, conformity and co-operation within groups, which can be beneficial, especially when coping with crises.
The implication is that groups might cope better with crises that emerge in the spring and autumn, compared to those that occur in the summer and winter.
But binding moral values also promote distrust of people who fail to adhere to group norms and traditions. The implication is that there may also be seasonal cycles in prejudices against immigrants, racial minorities, LGBTQ+ individuals and anybody else who is perceived to be different.
People who more strongly endorse binding moral values are also more punitive, so there could be seasonal effects on judicial decision-making in the .
And given the link between binding moral values and conservative attitudes, there are potential implications for politics. One intriguing possibility: the timing of political elections (whether they are scheduled for summer or autumn, for instance) might have some subtle effect on some votes — which, , might even influence its outcome.
, PhD student, Psychology, and , Professor, Psychology,
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