News
Children can be systematic problem-solvers at younger ages than psychologists had thought – new research
Child psychologists: Celeste Kidd’s research challenges long-standing ideas from Jean Piaget about children’s problem-solving abilities. Her findings show that children as young as four can independently utilize algorithmic strategies to solve complex tasks, contradicting the belief that systematic logical thinking develops only after age seven. This insight highlights the importance of nurturing algorithmic thinking in early education.
Last Updated on March 16, 2026 by Daily News Staff
Celeste Kidd, University of California, Berkeley
I’m in a coffee shop when a young child dumps out his mother’s bag in search of fruit snacks. The contents spill onto the table, bench and floor. It’s a chaotic – but functional – solution to the problem.
Children have a penchant for unconventional thinking that, at first glance, can look disordered. This kind of apparently chaotic behavior served as the inspiration for developmental psychologist Jean Piaget’s best-known theory: that children construct their knowledge through experience and must pass through four sequential stages, the first two of which lack the ability to use structured logic.
Piaget remains the GOAT of developmental psychology. He fundamentally and forever changed the world’s view of children by showing that kids do not enter the world with the same conceptual building blocks as adults, but must construct them through experience. No one before or since has amassed such a catalog of quirky child behaviors that researchers even today can replicate within individual children.
While Piaget was certainly correct in observing that children engage in a host of unusual behaviors, my lab recently uncovered evidence that upends some long-standing assumptions about the limits of children’s logical capabilities that originated with his work. Our new paper in the journal Nature Human Behaviour describes how young children are capable of finding systematic solutions to complex problems without any instruction. https://www.youtube.com/embed/Qb4TPj1pxzQ?wmode=transparent&start=0 Jean Piaget describes how children of different ages tackle a sorting task, with varying success.
Putting things in order
Throughout the 1960s, Piaget observed that young children rely on clunky trial-and-error methods rather than systematic strategies when attempting to order objects according to some continuous quantitative dimension, like length. For instance, a 4-year-old child asked to organize sticks from shortest to longest will move them around randomly and usually not achieve the desired final order.
Psychologists have interpreted young children’s inefficient behavior in this kind of ordering task – what we call a seriation task – as an indicator that kids can’t use systematic strategies in problem-solving until at least age 7.
Somewhat counterintuitively, my colleagues and I found that increasing the difficulty and cognitive demands of the seriation task actually prompted young children to discover and use algorithmic solutions to solve it.
Piaget’s classic study asked children to put some visible items like wooden sticks in order by height. Huiwen Alex Yang, a psychology Ph.D. candidate who works on computational models of learning in my lab, cranked up the difficulty for our version of the task. With advice from our collaborator Bill Thompson, Yang designed a computer game that required children to use feedback clues to infer the height order of items hidden behind a wall, .
The game asked children to order bunnylike creatures from shortest to tallest by clicking on their sneakers to swap their places. The creatures only changed places if they were in the wrong order; otherwise they stayed put. Because they could only see the bunnies’ shoes and not their heights, children had to rely on logical inference rather than direct observation to solve the task. Yang tested 123 children between the ages of 4 and 10. https://www.youtube.com/embed/GlsbcE6nOxk?wmode=transparent&start=0 Researcher Huiwen Alex Yang tests 8-year-old Miro on the bunny sorting task. The bunnies are hidden behind a wall with only their sneakers visible. Miro’s selections exemplify use of selection sort, a classic efficient sorting algorithm from computer science. Kidd Lab at UC Berkeley.
Figuring out a strategy
We found that children independently discovered and applied at least two well-known sorting algorithms. These strategies – called selection sort and shaker sort – are typically studied in computer science.
More than half the children we tested demonstrated evidence of structured algorithmic thinking, and at ages as young as 4 years old. While older kids were more likely to use algorithmic strategies, our finding contrasts with Piaget’s belief that children were incapable of this kind of systematic strategizing before 7 years of age. He thought kids needed to reach what he called the concrete operational stage of development first.
Our results suggest that children are actually capable of spontaneous logical strategy discovery much earlier when circumstances require it. In our task, a trial-and-error strategy could not work because the objects to be ordered were not directly observable; children could not rely on perceptual feedback.
Explaining our results requires a more nuanced interpretation of Piaget’s original data. While children may still favor apparently less logical solutions to problems during the first two Piagetian stages, it’s not because they are incapable of doing otherwise if the situation requires it.
A systematic approach to life
Algorithmic thinking is crucial not only in high-level math classes, but also in everyday life. Imagine that you need to bake two dozen cookies, but your go-to recipe yields only one. You could go through all the steps of making the recipe twice, washing the bowl in between, but you’d never do that because you know that would be inefficient. Instead, you’d double the ingredients and perform each step only once. Algorithmic thinking allows you to identify a systematic way of approaching the need for twice as many cookies that improves the efficiency of your baking.
Algorithmic thinking is an important capacity that’s useful to children as they learn to move and operate in the world – and we now know they have access to these abilities far earlier than psychologists had believed.
That children can engage with algorithmic thinking before formal instruction has important implications for STEM – science, technology, engineering and math –education. Caregivers and educators now need to reconsider when and how they give children the opportunity to tackle more abstract problems and concepts. Knowing that children’s minds are ready for structured problems as early as preschool means we can nurture these abilities earlier in support of stronger math and computational skills.
And have some patience next time you encounter children interacting with the world in ways that are perhaps not super convenient. As you pick up your belongings from a café floor, remember that it’s all part of how children construct their knowledge. Those seemingly chaotic kids are on their way to more obviously logical behavior soon.
Celeste Kidd, Professor of Psychology, University of California, Berkeley
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Recipe of the Week
Pack Pasta Salad in a Jar for a Taste of Summer in School Lunches
When students open up their lunchboxes in the cafeteria, it’s fun to be greeted with something bright, colorful and fresh. Pasta salad is a summer picnic staple, but once the weather starts to cool and kids head back to school, there’s nothing to say you can’t send a taste of summer with them.
Pack Pasta Salad in a Jar for a Taste of Summer in School Lunches
(Feature Impact) When students open up their lunchboxes in the cafeteria, it’s fun to be greeted with something bright, colorful and fresh. Pasta salad is a summer picnic staple, but once the weather starts to cool and kids head back to school, there’s nothing to say you can’t send a taste of summer with them.
The beauty of pasta salad is it’s totally customizable, ideal for eating cold and easy to make ahead of time. That means you can spend the evening before school dishing up jars then pop them in the fridge for a quick morning grab-and-go lunchbox filler. Adults in the household can take one to work while kids have their own at school – and if anyone wants a different dressing or no olives, it’s an easy accommodation.
If you’re making this Pasta Salad in a Jar recipe as the main course instead of a lunchtime side, up the protein by adding beans, chicken or cubed cheese to keep kids energized for the second half of the day. Choose whole-grain or high-protein pasta for an extra nutritional boost, and pack in vitamins and fiber with plenty of crunchy fresh produce, from cucumbers and carrots to tomatoes and olives.
Find more school-day recipes at Culinary.net.
Pasta Salad in a Jar
Recipe adapted from Best of This Life
Prep time: 10 minutes
Servings: 1
Dressing:
- 2 tablespoons olive oil
- 2 tablespoons red wine vinegar
- 1/8 teaspoon dried basil
- 1/8 teaspoon oregano
- 1/8 teaspoon parsley
- salt, to taste
- freshly ground pepper, to taste
- 1/4 cup canned chickpeas, rinsed
- 1/2 cup halved grape tomatoes
- 1/2 cup diced cucumber
- 2 tablespoons sliced Kalamata olives
- 1 cup cooked pasta of choice, cooled
- 1 cup chopped spinach
- To make dressing: In canning jar, combine olive oil, vinegar, basil, oregano, parsley and salt and pepper, to taste. Stir in chickpeas.
- Layer tomatoes, cucumbers, olives, cooked pasta and spinach over dressing.
- Refrigerate until ready to serve. To serve, flip jar over and lightly shake to combine dressing with other ingredients.
Photo courtesy of Unsplash
SOURCE:
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Economy
How new SNAP restrictions could hit Greater Pittsburgh’s food access and economy
New SNAP work requirements and retailer rules could reduce food assistance across Greater Pittsburgh, increasing food insecurity while hurting families, independent grocers and the regional economy.
Amelia B. Finaret, Allegheny College
Food assistance is one of the most effective tools for fighting poverty in America. New federal rules are testing that reputation.
The Supplemental Nutrition Assistance Program, better known as SNAP, helps low-income people afford groceries. The program’s benefits reach far beyond the grocery bill, with research linking the program to better outcomes for K-12 students and improved overall health among participants.
However, new federal policy changes are making the program harder for many families to use, and participation is shrinking.
In Pennsylvania’s Allegheny County, the number of people who get SNAP benefits has decreased by about 12% since 2025. SNAP enrollment rates vary widely across the Greater Pittsburgh metropolitan area – from 31% of residents in Fayette County to just 13% in Butler County.
In Allegheny County, where Pittsburgh is located, approximately 17,000 people have already lost their benefits. That’s the second-highest total of any county in Pennsylvania. Roughly 162,000 Allegheny County residents receive SNAP, or about 14% of the county’s population.
Across the country, states like Arizona and Florida are seeing similar effects from these SNAP changes. The specifics vary by state, but the underlying pressures on food assistance are shared nationwide.
As a food economist and clinical dietition working in western Pennsylvania, I have seen how SNAP policy changes affect real people firsthand. Many of my patients are having more trouble making ends meet over the past few years, especially as grocery prices have risen roughly 25% in nominal terms since 2022 – a jump that has outpaced wage growth for many low-income households.
New SNAP work requirements
In November 2025, Pennsylvania began implementing the federal government’s expanded work requirements. The rules previously applied to adults ages 18 to 54 without a disability or dependent children, but they now reach up to age 64. Under these rules, these adults must work, volunteer or take part in education or training programs for at least 20 hours a week to keep receiving SNAP benefits.
Certain groups are especially likely to be affected by this rule change, including early retirees, first-time moms, children and people with disabilities who haven’t applied or been approved for disability benefits.
Stricter and more expansive work requirements increase SNAP benefit denials and reduce the number of people who get benefits, including among women who may become pregnant.
The new work requirements could also worsen food insecurity, which occurs when people cannot obtain enough safe and nutritionally adequate food for an active and healthy life.
Up to 5.4 million people nationwide could lose some or all of their SNAP benefits under the expanded work requirements, including 1.5 million children.
In Allegheny County, 43% of food-insecure children were likely ineligible for SNAP and similar benefits in 2025 because their household incomes exceeded 185% of the federal poverty line – US$61,050 for a family of four in 2026.
Stricter rules for SNAP retailers
Supermarkets and other stores that sell food must be certified to accept SNAP benefits for payment. Beyond helping individual households, SNAP spending boosts local economies, as those benefits get spent at grocery stores and other retailers.
Retailers that sell food are now required to offer seven varieties of foods in each of four staple food categories: grains, vegetables and fruits, dairy, and protein. Stores could meet the new requirements for grains, for example, by offering corn tortillas, whole wheat bread, white bread, brown rice, white rice, oats and infant cereal for sale.
In the 12th and 17th congressional districts that make up Allegheny County, 10.4% and 8.7% of people, respectively, live in areas where it is difficult to get healthy foods. According to data from the Institute for Local Self-Reliance, there are 191 grocery stores in these districts, about 28% of which are either small chains or independent stores that may have a harder time complying with the new requirements.
Between 2017 and 2023, the number of SNAP-authorized stores in Allegheny County increased by 13%, but this trend could reverse under the new rules.
While the stated goal of the new rules is to increase the availability of healthier foods, simply requiring stores to stock them doesn’t mean that customers will eat a better diet. Whether these new retailer policies ultimately improve diets is an open question.
Additional restrictions on purchases
Some states are placing additional restrictions on what people can buy with benefits. Purchasing hot prepared foods, alcohol, vitamins or diapers with SNAP benefits was already prohibited, but 23 states are now restricting the use of benefits to buy sugar-sweetened beverages and some other items that contribute to nutritionally inadequate diets.
While Pennsylvania has not adopted those additional restrictions, some of its neighboring states, such as Ohio and West Virginia, have.
SNAP helps people pay for groceries, but the benefit amount is typically less than what a household would spend on food. SNAP covers some of what a family would’ve spent on groceries anyway, leaving that money for other needs – rent, diapers, utility bills and the like. As a result, research shows the program doesn’t significantly change what or how much people eat, on average.
In my view, as food insecurity remains high in Allegheny County, policies that make it harder for local residents to get SNAP benefits risk weakening one of the nation’s most effective economic support programs.
Read more of our stories about Pittsburgh and Pennsylvania.
Amelia B. Finaret, Associate Professor of Business and Economics and Nutrition, Allegheny College
This article is republished from The Conversation under a Creative Commons license. Read the original article.
Community
9/11 Day Awards $3 Million in Grants to Expand Volunteer Opportunities Nationwide Ahead of 25th Anniversary
9/11 Day announced $3 million in grants to nearly 200 groups across 40 states, expanding service projects for the 25th anniversary observance.
As the United States approaches the 25th anniversary of September 11, 2001, the nonprofit 9/11 Day is putting major resources behind a familiar idea with renewed urgency: remembrance through service. The organization—founded by 9/11 families and leaders and co-led by co-founders David Paine and Jay Winuk—announced $3 million in grants to roughly 200 nonprofits, schools, and community groups across 40 states to expand local volunteer projects tied to this year’s September 11 National Day of Service and Remembrance.
The funding is designed to dramatically increase the number of ways Americans can participate close to home, from food insecurity initiatives to neighborhood cleanups and support programs for veterans and first responders. Together, grant recipients are expected to engage more than 70,000 volunteers nationwide.
A major push toward youth-led service
More than 70% of the grant funding is going to youth organizations and educational institutions, including K–12 schools, universities, and other learning programs. The emphasis reflects a generational reality: millions of students today know 9/11 primarily through textbooks, family stories, and classroom lessons.
“For many students participating in the observance this year, 9/11 is something they’ve only encountered in textbooks or through stories from parents and grandparents,” said Jay Winuk, co-founder and executive vice president of 9/11 Day and a 9/11 family member. “By connecting history with hands-on service, we’re helping young people understand that the legacy of 9/11 isn’t defined only by tragedy. It’s also defined by compassion, resilience and the responsibility we all share to care for one another.”
Youth-focused projects supported by the grants include school-wide days of service, hunger-relief efforts, donation drives, community improvement work, and service-learning initiatives that connect the history of September 11 with practical ways to help others.
UNIITE for Good: turning an anniversary into a nationwide “doing good” moment
The grant program is a cornerstone of 9/11 Day’s nationwide UNIITE for Good campaign, scheduled to officially launch August 24. The campaign aims to transform the 25th anniversary into what organizers describe as America’s largest day of doing good—channeling remembrance into tangible community impact.
The program is administered in collaboration with AmeriCorps, with principal funding provided by AmeriCorps and the Popeyes Foundation. A special emphasis this year is addressing hunger—an issue described in the release as an “ever-growing hunger crisis across the nation.”
Meeting community needs where people live
Grant-funded projects span urban, suburban, and rural communities. Activities include assembling meals for individuals and families facing food insecurity, packing care kits for veterans and first responders, restoring community spaces, and strengthening schools and neighborhoods.
Beyond the service itself, the grants are also intended to help local groups recruit volunteers, purchase supplies, coordinate logistics, and expand the number of service opportunities available in their areas.
“As we mark the 25th anniversary of 9/11, we have a responsibility to preserve not only the memory of that day and those lost and injured, but also the extraordinary way Americans came together in the aftermath of the attacks,” said David Paine, president and co-founder of 9/11 Day. “These community-led projects are helping rekindle that spirit of unity, compassion and service by bringing neighbors together to help solve local challenges.”
AmeriCorps echoed that message, framing service as a way to honor those who responded in the immediate aftermath of the attacks.
“This year, we invite Americans to carry forward that enduring spirit of unity and service by becoming a hero for someone in need,” said Emily Stock, project manager for Volunteer Initiatives at AmeriCorps, noting that AmeriCorps-funded projects will include food drives, home repairs, neighborhood cleanups, and disaster preparedness activities.
The Popeyes Foundation also highlighted its community-focused mission and its role in supporting local projects.
Why this anniversary matters now
Organizers say the 25th anniversary arrives at a pivotal moment: more than 100 million Americans are now too young to have personal memories of September 11. That makes this milestone one of the last major opportunities to connect those who lived through the day with younger generations learning about it as history.
Examples of grant-supported efforts include:
- Marshall University, which plans to build on its existing 9/11 Days of Service tradition, including a Memorial Stair Challenge and volunteer projects supporting veterans, first responders, and families in need.
- Middlebury Elementary School, which will expand hands-on service activities that teach younger students about 9/11 through compassion and community action.
- University of South Dakota, where students will work alongside community partners to address local needs while learning how service can bridge backgrounds and perspectives.
How to get involved
A full list of 2026 9/11 Day Grant Program recipients is available through 9/11 Day. To learn more about the September 11 National Day of Service and Remembrance—and to find ways to participate—visit 911day.org.
STM Daily News will continue tracking community service initiatives and local observances tied to the 25th anniversary as September approaches
