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A smartphone nature challenge could boost teen social bonds

NCT ID NCT07720947

Symptom relief Sponsor: The Chinese University of Hong Kong, Shenzhen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial tests whether a 10-week smartphone-based nature-noticing intervention can increase social connectedness and prosocial behavior in Hong Kong secondary school students aged 15–17. Participants take photos of nature that evoke strong emotions and share them with a group chat twice a week. The study uses questionnaires to measure changes in how connected teens feel to others and how willing they are to help.

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-based nature-noticing intervention where participants take photos of nature and share emotions twice a week for 10 weeks
What this could lead to
If it works, this could point toward a simple, low-cost way to help teenagers feel more connected to others.
What could go wrong
This is a small, early-stage trial in a specific group (Hong Kong secondary students), so results may not apply broadly. The effect on social connectedness may be modest.

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

127 people

The number who actually took part.

Started

Jan 2025

Finished

Dec 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

15 to 17 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: * Hong Kong secondary school students * 15-17 years Exclusion criteria: * Students receiving intensive psychiatric treatment

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Conditions

The condition(s) this trial relates to.

Social Behavior

As listed by the trial registrant

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

Social behaviour

Contacts and locations

Locations

  • The Hong Kong Polytechnic University

    Hong Kong, Hong Kong