A lone cart drifting across a windy parking lot has become an unlikely personality test. The “shopping cart theory,” which spread after an anonymous 4chan post in May 2020, holds that returning a cart is the ultimate litmus test for whether a person is capable of self-governing, according to Wikipedia’s account of its origin.
Two psychology-flavored articles, one from VegOut Magazine and one from Artful Parent, say people who always return their carts tend to share eight traits. The original post went further, calling cart return “the apex example of whether a person will do what is right without being forced to do it,” according to Wikipedia’s summary.
1. Conscientiousness
Artful Parent says cart returners tend to follow through on commitments, such as showing up on time and finishing projects, and links the habit to an internal locus of control, the belief that one’s actions matter. VegOut adds that conscientious people finish small tasks without being asked and do not cut corners when unobserved, pointing to the work of Angela Duckworth and Martin Seligman on self-discipline. Follow-through has an opposite number in the personality traits tied to running late, and Frenz Hub’s tips on how to stop procrastinating cover the other end of the follow-through spectrum.
2. Empathy for Strangers
Returners imagine how others are affected, Artful Parent says, such as a driver whose car could be dinged by a runaway cart or a store worker collecting carts in the heat. The article calls this “empathic concern.” VegOut makes a similar point, describing people who think about the worker collecting carts and the person whose car might be dinged.
For another trait list, see how very curious people are seen by strangers and friends, and Frenz Hub’s things women who know their worth do.
3. Delayed Gratification
Returning a cart costs a little effort now, and resisting the urge to leave it takes some self-control, Artful Parent says. VegOut ties this to Walter Mischel’s marshmallow studies, which offered preschoolers at Stanford one treat now or two if they waited, typically up to 15 minutes, according to a Simply Psychology summary.
Morning self-control is another popular yardstick, as in the seven traits linked to hitting snooze.
4. Bigger-Picture Thinking
Artful Parent describes cart returners as “allocentric” thinkers who see how individual actions affect the group and treat shared spaces as something everyone maintains. A parking lot is a small commons, and a cart left in a space is a small tax on the next person. Unwritten rules about shared spaces are the subject of Frenz Hub’s social norms that should be abandoned. Not every virtue is obvious, as habits that look selfish but signal high intelligence suggests, and Frenz Hub’s list of common choices in life shows how small decisions add up.
5. Deep Values
Returners often have a strong moral identity, Artful Parent says, meaning being a good person is central to how they see themselves. That identity keeps them acting on their standards when no one is watching, which is the whole premise of the theory.
6. Trust in Others
Returning a cart reflects faith that other people will also do their part, according to Artful Parent, which it ties to reciprocity and community strength. The idea is that a tidy lot is a small, daily vote of confidence in strangers.
7. Resisting the Crowd
Cart abandonment is described as contagious in chaotic lots, but consistent returners keep their standards regardless of what others do, Artful Parent says. One stray cart tends to invite another.
8. Joy in Small Good Deeds
The last trait is satisfaction from completing small acts of care. Artful Parent links this to “moral elevation,” the uplift of seeing or doing something good, which it associates with greater happiness and resilience.
The idea has had a long run in the press. News.com.au covered the test in May 2020, The New York Times wrote about it in June 2021, and a YouTube channel called Cart Narcs, started in 2020 by radio producer Sebastian Davis, built a following by confronting shoppers who leave carts in parking lots, Wikipedia notes. The setup itself explains the appeal: most retailers offer no reward for returning a cart and no penalty for leaving one, so the walk to the corral is entirely voluntary. Some stores, especially in Europe, use coin deposits instead, and a 2021 New Jersey proposal covered by Politico would have fined shoppers who leave carts in disabled parking spaces.
In 2024, a TikTok on the subject from California clinical and forensic psychologist Leslie Dobson drew more than 11 million views and coverage from the Los Angeles Times, Today, USA Today and CBC, according to Wikipedia, a measure of how strongly the humble cart corral still speaks to people about character.
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This article was produced with AI assistance and edited for accuracy against the sources linked above.
