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Extra time on tests: help or hype for ADHD students?

NCT ID NCT06063382

Knowledge-focused Sponsor: Hospital de Clinicas de Porto Alegre Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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
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 This study
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 Results may not be published yet.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
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
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
The full record has not been published yet, so there is little to show here.
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This status has not been confirmed recently, so it may be out of date.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 2 times

Summary

This study looked at whether giving students with ADHD extra time on exams actually helps them perform better. Researchers tested 103 students, some with ADHD and some without, giving them either 25% or 50% more time to complete a test. The goal was to see if extra time improves scores and if it benefits students with ADHD more than those without.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Extended time on exams (25% or 50% more time)
What this could lead to
If successful, this could provide evidence for fair exam accommodations for students with ADHD, potentially improving their academic performance.
What could go wrong
This is a small, completed study with 103 participants. Results may not apply to all students or testing situations. Extra time might not significantly improve scores for everyone.

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

103 people

The number who actually took part.

Started

Aug 2023

Finished

Sep 2025

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

16 to 40 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: * Brazilian citizen; * Planing to participate in college-entry standardized tests (ENEM, Vestibulares); Exclusion Criteria: * Medical condition and/or disability that may hinder the neuropsychological testing; * Intelligence Quotient (IQ) lower than 80; * Psychotic disorders, bipolar disorders, current moderate or severe depressive episode, suicide risk, autism spectrum disorders, learning disabilities.

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Conditions

The condition(s) this trial relates to.

attention deficit hyperactivity disorder, inattentive type attention deficit-hyperactivity disorder

As listed by the trial registrant

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

Attention deficit disorder with hyperactivity

Contacts and locations

Locations

  • Hospital de Clínicas de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90035903, Brazil

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