It Wasn't the Child Who Was Distracted. It Was the Room

Four toys and sixteen toys, the same child in both rooms — what the experiment showed

Introduction: How Many Toys Are in Your Living Room

The worry that a child can’t stay with a toy is common. They pull one out, fiddle with it briefly, toss it aside, pull out another, toss that aside too. In thirty minutes the floor is upside down.

The interpretation that comes to a parent’s mind usually points at the child. Is mine just a bit scattered? Is their attention span short? Will it become a problem later?

But there is another way to look at the scene. Suspect the room, not the child.

A UCLA team (Arnold et al., 2012) once surveyed the interiors of 32 middle-class homes. There were on average 139 visible toys inside the house. Most homes had at least 100; some had 250. The US is home to 3.1% of the world’s children and consumes 40% of the world’s toys.

The room a child grows up in may be far more crowded than adults imagine. Which turns the question into: could having many toys be, in itself, what interferes with a child’s focus?

An occupational therapy team at the University of Toledo turned that question into an experiment.

The Core Question

The hypothesis was clear.

“An environment with fewer toys will raise the quality of toddlers’ play.”

“Quality of play” here was not a vague impression but split into three measures.

1. How often the child switches toys (number of play episodes)
2. How long they stay with a toy once picked up (duration)
3. How many different ways they use a single toy (variety of play)

The third measure is the study’s key device. A single bucket, for instance, hides several uses. You can fill it and dump it, talk into it, turn it over and stand on it, grab the handle and swing it or carry it around. Psychology calls these uses affordances, and affordances are not self-evident. They are discovered by handling something long enough. The team measured this depth by counting how many verbs a child generated for one toy.

How They Studied It: The Same Child in Two Rooms

The core of the design is that the same child experienced both conditions. This was not group A versus group B; one child entered the 4-toy room once and the 16-toy room once. Which condition came first was randomized.

That design controls individual differences like “a child who naturally focuses well,” because the comparison is not against another child but against the same child on a different day.

The Toys

Thirty-two toys were prepared, all of the seated-play type and gender-neutral, reviewed for appropriateness with the American Occupational Therapy Association’s toy selection checklist. They fell into four categories.

• Educational — dealing with concepts like shape, color, number
• Pretend — for staging situations
• Construction/manipulative — stacking, opening, turning, responding to touch
• Ride-on — wheeled toys to push

The 4-toy condition drew one at random from each category, with at most one battery-operated toy. The 16-toy condition drew four from each category, with at most four battery-operated toys.

Two further controls matter. No toy appeared in both conditions, and if a toy the parent had named as the child’s “favorite” in the pre-survey was drawn, it was swapped out.

The Play Environment

The room was about 10×10 feet with one window, carpet, a child’s table and chair, an adult chair, and a shelf — no other decoration.

After two minutes of settling in with the researcher, the child was told they could play with anything there. The researcher stayed in the room but did not initiate play. They responded if the child approached. They intervened only for danger or destruction of a toy (across the entire study this happened once).

Design and Participants

• Children: 36, aged 18–30 months (mean 23.8 months). 9 boys, 27 girls
• Developmental screening: the Battelle Developmental Inventory assessed personal-social, motor, and cognitive domains, confirming all were typically developing
• Family background: middle class by the Hollingshead four-factor index. 34 were White
• Siblings: 17 only children, 12 with one sibling, 7 with two or more
• Visits: three in total — consent, survey, and developmental screening at the first, then two play sessions within two weeks at the same time of day
• Measurement: video from multiple angles, coded offline. 10% of the footage was independently coded by a second rater; weighted Kappa agreement was 0.89–0.99
• Analysis: the data were not normally distributed, so Wilcoxon signed-rank tests were used. To reduce error from testing three outcomes at once, the significance threshold was lowered from 0.05 to 0.017

And one striking piece of background from this study. Participating children had on average 87 toys at home (minimum 10, maximum 300). Five parents could not count and simply answered “a lot.”

Results: On All Three Measures, Fewer Was Better

Even with the threshold tightened, all three measures passed.

Statistically: episodes p < .001 (effect size r = −.52), duration p = .005 (r = .33), variety p < .001 (r = .55). Medium to large effects.

In short: with fewer toys, children switched less, stayed twice as long, and played with one toy in far more ways.

Which condition came first did not affect results (no order effect), and there was no difference between 18-month-olds and 30-month-olds. The phenomenon appeared evenly across this age range.

Hidden Finding 1: Given 16, They Touched Only Half

Quadruple the toys and does the child explore four times as much? No.

• 4-toy condition: played with 3.1 on average. Half the children played with all four
• 16-toy condition: played with 8.6 on average — meaning roughly half went untouched

The price of twelve extra toys was 5.5 additional toys handled, and even those held the child’s attention for half as long. What increased was not the amount of exploration but the number of switches.

The team saw the initial scanning of the room’s toys as natural curiosity in itself. The problem is what comes next. In the 16-toy condition, children could not go deep even after the scan was over. Putting down what was in hand to go look at that other thing kept repeating.

Hidden Finding 2: What Determined Play Quality Was Not the Child

The quietest but most important result in this study is here.

The team checked how much a child’s scores in the two conditions related to each other. If “a child who focuses well focuses in any room” were true, children who played long in the 4-toy condition should have played long in the 16-toy condition.

No such correlation appeared.

How a child played in one condition did not predict how they played in the other. A child’s play was less a fixed trait of that child than something that moved with how the room was set up that day.

On that basis the team interprets it as the other toys functioning as external distractors, driving the child to abandon what was in hand and explore something else.

This meshes precisely with the background-TV research. Courage and colleagues (2010) and Schmidt and colleagues (2008) showed that a TV on in the background chops young children’s play short. The change in duration observed in this experiment was of a comparable magnitude. That is, from the child’s point of view, surplus toys in the room were a distraction much like a TV left on.

Why Staying Longer Matters

The reason “playing longer” amounts to “playing better” lies in the third measure.

Return to affordances. A bucket’s several uses are discovered by holding onto the bucket. Shake it once and put it down, and it ends at one use — shaking. Keep handling it and you fill it, dump it, turn it over and stand on it, put it on your head.

In the 4-toy condition children played with a toy in 11 ways; in the 16-toy condition, only 7. The difference between having time for trial and error and not having it.

The team explains that this deep exploration connects to pretend play, causal understanding, problem solving, bimanual coordination, and fine motor control. But we have to be precise here. This study did not measure that connection directly. More on that below.

Practical Takeaways

Look at the Room Before Suspecting the Child’s Attention

The most practical gift this study gives a parent is not a solution but a shift in interpretation.

If toys are scattered on the floor and a child keeps switching, that may not be a scene revealing their temperament. Put the same child in a room with four toys and their attention time doubled — that is this experiment’s result.

Toy Rotation Is the Team’s Own Recommendation

In the paper’s implications-for-practitioners section, the team proposes it explicitly.

When a large number of toys are available, providing only a few at a time and storing the rest can offer novelty without the interference created by too many toys.

The point is not to discard but to hide. A stored toy works like a new one when brought back out. What this study proposes is not a moral demand to consume less but a question of arrangement — regulating how many are visible at once.

How Many Is Right Is Not Something This Study Answers

Only 4 and 16 were compared, so what 8 or 6 would do is unknown. Reading it as “four is the answer” is over-reading. What this experiment can speak to is direction — reducing from what is currently in front of the child may deepen play.

Limitations

The team documented these in detail. And there is one more a reader should know that is not in the paper.

• It measured only play quality. This is the most important limitation. The study showed children played longer and more variously; it did not measure whether that play led to actual development. The account connecting play depth to cognitive, language, and social development is borrowed from prior research and theory. It does not mean reducing toys makes a child smarter.
• The sample was skewed. Of 36 children, 27 were girls, 34 were White, and all were middle class. The region was limited too.
• It applies only to typically developing children. Whether the same result appears for children with developmental delays or at risk is unconfirmed.
• Different children got different toys. Because they were drawn at random, whether the result came from the number or from which particular toys happened to be drawn is not fully separated. The team itself proposed standardizing toys in follow-up work.
• It was a lab, not a home. An unfamiliar room and unfamiliar toys may have induced more looking-around than usual.
• Each condition was measured once. What differences accumulate over the long run is unknown.
• Electronic toys and tablets were excluded. All were three-dimensional hands-on toys, and few were battery-operated.

One thing worth adding is that some of these limitations do not run in the direction of weakening the result. Participating children had on average 87 toys at home. Even the experiment’s “many” condition of 16 was far fewer than these children’s ordinary environment. The team suspects the interference effect may be larger in actual homes.

Closing Thoughts

The sentence this study leaves is short.

The depth of play depended more on the state of the room than on the personality of the child.

Same child. Same age, same temperament, same developmental level. The only thing that changed was how many objects sat on the floor — and attention time doubled while ways of playing rose by more than half.

Which means that when a child seems unable to play well, there is something besides the child you can change. And the method is not to buy something more but to put away, for a while, what is already there.

Source: Dauch, C., Imwalle, M., Ocasio, B., & Metz, A. E. (2018). The influence of the number of toys in the environment on toddlers’ play. Infant Behavior and Development, 50, 78–87. https://doi.org/10.1016/j.infbeh.2017.11.005

Supporting literature cited above

• Arnold, J. E., Graesch, A. P., Ragazzini, E., & Ochs, E. (2012). Life at home in the twenty-first century. Los Angeles: UCLA.
• Courage, M. L., Murphy, A. N., Goulding, S., & Setliff, A. E. (2010). When the television is on: The impact of infant-directed video on 6- and 18-month-olds’ attention during toy play and on parent–infant interaction. Infant Behavior & Development, 33, 176–188.