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Completed

NCT Number: NCT07123571

A Five-Day Contagious Laughter Intervention for Adult Well-being

The goal of this pilot trial is to determine the effectiveness of a five day contagious laughter intervention on adult well-being. The main questions it aims to answer are:

Does exposure to a five-day online contagious laughter intervention improve subjective well-being in adults compared to waitlist controls? Does exposure to a five-day online contagious laughter intervention improve subjective mood status in adults compared to waitlist controls?

Participants in the intervention group will:

View a one-minute contagious laughter video each day for five days Complete the WHO5 Wellbeing index pre and post intervention Rate their mood status before and after each laughter video on each day of the intervention After viewing each video, rate how much they laughter along with the video on each day of the intervention

Participants in the waitlist control group will:

Complete the WHO5 wellbeing index at baseline and again after six days

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Key information

Conditions

Well-Being Behavior Communication Laughter Nonverbal Communication

Age range

18 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Zayed University

Abu Dhabi, United Arab Emirates

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Male or female
  • Resident of the United Arab Emirates
  • Fluent in English and/or Arabic
  • Access to a stable internet connection
  • Access to a smartphone and/or laptop/tablet

Exclusion criteria

  • Children (<18 years old)
  • Adults above 60 years old
  • Those with cognitive and/or physical disabilities
  • Those with hearing and/or vision impairment
  • Illiterate, and/or individuals who did not (or were unable to) provide consent.

Treatment and study plan

Contagious Laughter

Behavioral

Contagious laughter videos

Primary outcomes

  1. Well-being

    Time frame: Well-being will be assessed at baseline (start of study) and will be reassessed on day six (one day after the five-day intervention). The final score range is 0-100 where 0 represents the worse possible well-being and 100 represents the best.

    Adult well-being will be assessed using the WHO5 Wellbeing Index (WBI)

    The WHO5 WBI is scored by summing the responses to five questions, each using a 6-point Likert scale (0-5). This derives a raw score between 0 and 25. This raw score is then multiplied by 4 to calculate a percentage score with a range of 0-100, where 0 represents the worst possible well-being and 100 represents the best.

Secondary outcomes

  1. Subjective mood status

    Time frame: The EmojiGrid is administered immediately before and after viewing each laughter video on each day of the five-day intervention. Subjective mood status is assessed on day 1, 2, 3, 4, and 5 of the intervention both pre and post video viewing.

    Subjective mood status before and after each online video is viewed will be assessed using the EmojiGrid. The EmojiGrid is administered before and after viewing each video on each day of the five-day intervention (intervention group participants only).

    EmojiGrid has 17 emojis in total and is divided into four sets with five emojis each. In our study, set (A) was used with the question, "Using the emoji below, indicate how you feel right now." In addition, the researcher added a number to each emoji to help participants select the emoji that represented them at the time asked. The score ranges from 1-5, where higher numbers indicate happier mood states and lower numbers suggest lower mood, with 3 representing a neutral mood.

Sponsors and collaborators

Lead sponsor

Zayed University

Other

Registry information

Official study title

A Pilot Randomized Trial: Effectiveness of a Five-day Online Audio-visual Contagious Laughter Intervention to Enhance Well-being in Adults

Important dates

Study start
2022
Primary completion
2023
Study completion
2023
First posted
Aug 14, 2025
Registry last updated
Aug 14, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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