A Five-Second pause: can it break the social media habit?
NCT ID NCT07829211
First seen Sep 18, 2026 · Last updated Sep 18, 2026
Summary
Researchers at the University of Southern California are testing whether adding a short delay before opening a social media app helps young adults spend less time on it and improves their digital well-being. The study includes 120 participants ages 18 to 24 who regularly use social media. Half will use a smartphone tool that inserts a pause and a prompt before opening a chosen app for two weeks, while the other half continue as usual. Participants complete surveys, attention and memory tasks, and brain scans before and after the study period.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a smartphone app that adds a brief pause before opening a social media app
- What this could lead to
- If it works, a simple pause could give people a practical way to cut back on social media and feel better about their phone use.
- What could go wrong
- The study is small and short, so any benefit may fade or not apply to other apps or age groups. The pause may annoy users or they may find ways around it.
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
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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
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 24 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Ages 18-24 years. * Active user of social media. * Native English speaker. * Able and willing to complete two in-person fNIRS visits and approximately 14 days of smartphone-based assessments. * Owns a smartphone Exclusion Criteria: * Not a native English speaker. * Unable or unwilling to complete the smartphone intervention or required data collection. * Unable to complete the fNIRS procedures
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Southern California
Los Angeles, California, 90089, United States
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