Online nudge: can a simple message curb gambling in young adults?
NCT ID NCT06681103
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether personalized online feedback can motivate young adults (ages 18-35) with gambling or trading problems to change their behavior and seek help. Over 1,100 participants in Spain were split into groups: some received feedback, others did not. Researchers then measured their intention to change and actual help-seeking after 12 weeks.
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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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1,112 people
The number who actually took part.
- Started
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Dec 2024
- Finished
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Jun 2025
- 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 34 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Participants' eligibility will be assessed based on sociodemographic variables and measures of psychological distress, suicidal behavior, sleep quality and substance use. Eligible participants for the study on PONF's effect on intention to change and help-seeking behavior in young adults with gambling or trading problems must meet the following inclusion and exclusion criteria. Inclusion Criteria: * Engaged in trading or gambling activities (land-based or online) at least once per month in the past 60 days * Aged 18-34 years * Residing in Spain * Provide informed consent to participate in initial online assessment, post-test, and follow-up Exclusion Criteria: * Currently undergoing psychological or psychiatric treatment * Scoring above 3 on the Oviedo Infrequency Scale (Fonseca-Pedrero et al., 2009), indicating potential random/pseudorandom or dishonest responses.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Miguel Hernández University
Elche, Alicante, 03202, Spain
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Other studies related to the condition(s) this trial covers.
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