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Distraction study reveals how kids and adults think about numbers

NCT ID NCT06635577

Knowledge-focused Sponsor: Michelle Hurst, PhD Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
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Expanded access (paused)
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Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how children and adults reason about proportions, like percentages or fractions, and how a distracting task (like repeating a word) changes their performance. Researchers will ask 300 healthy participants to make judgments about images, with or without a distraction. The goal is to understand the thinking processes behind quantitative reasoning, not to test any treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 300 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2024

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

7 to 64 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Typically developing people within the target age range (either 8-years-old OR 18- to 64-years-old) for the study version Exclusion Criteria: * Individuals with known developmental or cognitive disorders * Participants or parents of participants must speak/read sufficient English to read and complete the informed consent document

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Proportional reasoning

How to take part

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  2. The official record

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Contacts and locations

Locations

  • Rutgers Center for Cognitive Science

    Piscataway, New Jersey, 08854, United States

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