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Texting your way to better workouts: study tests WhatsApp nudges for sport confidence

NCT ID NCT07427030

Knowledge-focused Sponsor: Inonu University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 1 time

Summary

This study looked at whether a planning technique called Mental Contrasting with Implementation Intentions (MCII) can boost university students' confidence in tennis training. Some students also got WhatsApp reminders before sessions. The trial involved 22 students and lasted four weeks. The goal was to see if simple digital reminders can help people stay motivated and feel more capable of sticking with exercise.

What this could mean

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

Active substance
Mental Contrasting with Implementation Intentions (MCII) and WhatsApp reminders
What this could lead to
If it works, this could point toward simple, low-cost ways to help people stick with exercise programs.
What could go wrong
This was a very small study (22 participants) with no control group, so results may not apply to other settings or people.

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

22 people

The number who actually took part.

Started

Jan 2026

Finished

Feb 2026

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

18 to 31 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: * Registered member of a university tennis club * Actively enrolled in a structured tennis training program * Aged 18 years or older * Voluntarily agreed to participate and provided informed consent * Completed baseline assessment procedures Exclusion Criteria: * Did not complete the intervention protocol * Missed posttest assessment * Failed to complete required study measures * Withdrew participation during the study period

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Conditions

The condition(s) this trial relates to.

Self-Control

As listed by the trial registrant

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

Physical activity behavior Self efficacy Self regulation Sport participation

Contacts and locations

Locations

  • Inonu University

    Malatya, Battalgazi, 44280, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.