Short, Animated Storytelling (SAS) Video to Reduce Smartphone Addiction in the US

Not Applicable

Not yet recruiting

• Conditions: Smartphone Addiction

• Registration Number: NCT06979856
• Lead Sponsor: Stanford University

Brief Summary

This study will test the effect of a short, animated storytelling video on participants' perceived risk of smartphone overuse immediately after exposure and two weeks later.

Detailed Description

Not available

Study Timeline

• Status Verified: 2025-05
• Study First Submitted: 2025-05-06
• Study First Submitted QC: 2025-05-19
• Last Update Submitted: 2025-05-19
• Study First Posted: 2025-05-20
• Last Update Posted: 2025-05-20
• Study Start: 2025-07
• Primary Completion: 2025-09
• Study Completion: 2025-09

Recruitment & Eligibility

• Status: NOT_YET_RECRUITING
• Sex: All
• Target Recruitment: 6000

Inclusion Criteria

• English Speaking
• Own a Smartphone
• Live in the US

Exclusion Criteria

• None

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Smartphone Addiction Scale (SmAS) score	Baseline, immediate post-intervention and 2 weeks post intervention	SmAS is a short 10 items validated scale measuring smartphone addiction. The minimum value is 10 and the maximum value is 60 for this scale.

Secondary Outcome Measures

Name	Time	Method
Average compensation acceptable to participants (in theory) to stop using smartphone for 1 day	Baseline, Immediate post-intervention (upto 24 hours), 2 weeks post intervention	Essential use includes work- or school-related tasks and basic communication (e.g., texting or calling to coordinate plans). Non-essential use includes things like social media, gaming, streaming and online shopping. Although participants will be informed this is a hypothetical scenario, they will be asked to respond as if the offer were real.
24 hour smartphone use time	Baseline, 2 weeks post intervention	Participants self-report their screen time recorded by their phone's built-in usage data.
Perceived danger of excessive smartphone use scale score	Baseline, immediate post-intervention (upto 24 hours) and 2 weeks post exposure	Participants self report their Perceived danger of excessive smartphone use on a 0-10 integer scale. 0 indicates "not dangerous at all" and 10 indicates "extremely dangerous."

Trial Locations

Locations (1)

Stanford University; 🇺🇸 Stanford, California, United States