
Clinical / Getting Things Done / kids + teens
The problem might be waiting, not attention
A long research programme showed children with ADHD often choose a smaller immediate reward — and that the pattern changes when waiting stops being empty.
The short version
Clinical · kids + teens · 1992
In choice experiments, children with ADHD picked the smaller sooner reward far more often.
When choosing to wait no longer shortened the session, the preference shifted — the aversion was to the delay itself.
It's one mechanism among several, not a full theory of ADHD.
What they studied
- Children with and without ADHD chose repeatedly between a small immediate reward and a larger delayed one.
- Later versions manipulated what waiting actually cost — whether it lengthened the overall session, and whether the wait was filled or empty.
What they found
- Children with ADHD chose immediate rewards markedly more often under standard conditions.
- When delay could not be escaped by choosing the sooner option, preferences moved towards the larger reward.
- Filling the delay reduced the effect.
Why it matters
- It reframes 'lazy' and 'impulsive': if delay is the aversive thing, the lever is shortening the gap between effort and payoff.
- Practically, that means visible progress, short cycles and something to do while waiting.
What it doesn't mean
- Lab choice tasks are not real life.
- Delay aversion does not explain every ADHD presentation and is not a diagnostic test.
- The research is largely in children; adult evidence is thinner.
The bigger picture
Moderate and influential. It sits alongside executive-function accounts in what is now usually described as a multiple-pathway model of ADHD.
Original research
- Authors
- Sonuga-Barke, E. J. S., and colleagues
- Study title
- Hyperactivity and delay aversion (research programme, from 1992 onwards)
- Journal
- Journal of Child Psychology and Psychiatry, and subsequent papers
- Year
- 1992
- Study design
- Series of experimental choice studies in children
We only publish a direct DOI link when we hold a verified identifier. Where we don't, we send you to a search for the original publication rather than guess at a URL.
From research → real life
Evidence is only useful when it changes something on a Tuesday.
Read
Why Getting Started Can Feel So Hard
You know what you're supposed to do. So why can't your body just... do it? Here's what's really going on in that stuck moment.
Read the articleTry
The Two-Minute Entry
A tiny, time-boxed commitment to begin a task for just two minutes, with full permission to stop once the timer ends.
Open the toolsHold on to
"The hard part wasn't the work. It was the eleven seconds before it."
Sian Trombley
Keep reading the evidence
Getting Things Done
Executive function differences are real — and not universal
Meta-analysis · kids + teens + adults · 2005
Read the evidenceGetting Things Done
If-then plans outperform good intentions
Meta-analysis · teens + adults · 2006
Read the evidenceEveryday Life
What the field actually agrees on about ADHD
Review · kids + teens + adults · 2021
Read the evidence