It happens at the playground, in front of everyone. Your two-year-old walks up to a child who has done nothing at all and shoves. Or bites. Somebody’s mother gasps. You’re already moving, and underneath the moving is a hot, sick feeling that has almost nothing to do with the other child and everything to do with what these people must now think of you.
The hitting is ordinary. The shame is the part nobody warns you about.
How common this really is
A team in Quebec followed 572 families from the time their babies were five months old. At 17, 30, and 42 months, they asked mothers a simple question: Does your child hit, bite, or kick? Does your child fight? Does your child bully other children? Then they sorted the children by how those answers changed over time (Tremblay et al., 2004).
Three groups came out of it. About 28 percent of the children showed little or no physical aggression. The biggest group, around 58 percent, hit sometimes, and the frequency climbed across the third year. About 14 percent were on a steeper path, hitting often and increasingly.
So roughly seven children in ten were hitting at least sometimes. Not the difficult ones. Not the ones with something wrong at home. Most of them.
The part that changes how it feels
By about 17 months, most children are already physically aggressive toward their siblings, their friends, and the adults around them. Then, across the preschool years, most of them stop.
Which turns the usual story on its head. We talk as though a child who hits has picked it up somewhere, from a show, from an older cousin, from something we did. The research points the other way. Hitting is the thing children unlearn, and your two-year-old is somewhere in the middle of that work right now.
The timing makes sense once you look at what a two-year-old has to work with. Enormous wants. A body that finally does what it’s told. And almost no words. The arm arrives years before the sentence does. The study didn’t test that part, but the hitting fades over exactly the stretch when language and self-control are arriving.
What usually comes out
- The performance. A loud telling-off aimed more at the watching adults than at the child.
- The interrogation. “Why did you do that?” A two-year-old has no idea and now has to sit through a question she can’t answer.
- The forced apology. Teaches the word, not the thing.
- The exit. Scoop her up, go home, cry in the car. Sometimes it’s the right call.
A shape to try
- Go to the child who got hurt first. It steadies you, and it shows your own child where the attention lands.
- Then a short, flat sentence to yours. “I won’t let you hit.” Six words, no volume, and the same six words every time, so they start to arrive before the hand does.
- Move her body if you have to. At two, a hand on the shoulder and a step backward does more than any sentence.
- Give her the word she was missing afterward, when she’s calm. “You wanted the truck. You can say my turn.” You’re handing over the tool that will eventually replace hitting.
- Watch for the setup rather than the moment. Most hitting clusters around hunger, tiredness, too many bodies in too small a space, and the end of a long morning. The cheapest fix is usually leaving twenty minutes earlier.
Where the evidence runs out
- The trajectories come from mothers’ reports. Nobody watched these children on a playground.
- One Quebec cohort, better educated on average than the wider provincial sample the authors compared it against. The percentages belong to this study.
- It describes what happens. It tests no response to hitting, so the five steps above are untested.
- Fourteen percent were on the high, rising path, and the study went looking for what predicted that.
When to ask someone
Worth raising with your pediatrician: hitting that’s getting worse rather than better after three, aggression that leaves real injuries, a child who seems to be aiming rather than lashing out, a child whose language is well behind where you’d expect, or a child being asked to leave settings because of it.
Sources
- Tremblay, R. E., Nagin, D. S., Séguin, J. R., Zoccolillo, M., Zelazo, P. D., Boivin, M., Pérusse, D., & Japel, C. (2004). Physical aggression during early childhood: Trajectories and predictors. Pediatrics, 114(1), e43–e50. https://doi.org/10.1542/peds.114.1.e43
Plumble’s World is a calm, gentle media experience for children ages 2 to 5. It is not a therapeutic or clinical program, and it is not a substitute for advice from your pediatrician.