Influencer Marketing: a Survey-based Experiment Among Adolescents

NCT ID: NCT06501937

Last Updated: 2024-07-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

664 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-02-12

Study Completion Date

2024-02-29

Brief Summary

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Adolescents (N = 664) participated in the online survey-based experiment. They were randomly shown 10 videos, featuring influencers promoting e-cigarettes alongside healthy lifestyle activities (experimental group), or e-cigarette promotion alone (control). After watching each video, participants rated perceptions of influencer credibility (i.e., honesty, trustworthiness, knowledge) on the scale of 0 (e.g., dishonest) to 100 (honest).

Among all participants, harm perceptions and appeal of e-cigarettes was assessed. Susceptibility to use e-cigarettes was assessed among never users of e-cigarettes. These outcomes were then compared among participants who perceived influencers as credible and those who perceived influencers as non-credible.

Detailed Description

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Adolescents (13-17 years of age) living in California were recruited by Qualtrics marketing research panel to participate in a survey on tobacco-related attitudes and behaviors. Qualtrics, a research panel agency, has been used in prior research to survey adolescents about their tobacco-related attitudes and behaviors. Participants were provided with a survey URL link. After completing informed consent, participants completed the survey online. The study was approved by the University of Southern California Institutional Review Board (UP-21-00352). Respondents were randomly assigned to watch 10 10-second long TikTok videos in either experimental (influencers promoting e-cigarettes alongside healthy lifestyle activities) or control group (influencers promoting e-cigarettes alone).

Conditions

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Vaping

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Videos featuring influencers promoting e-cigarettes alongside healthy lifestyle activities
Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Experimental group

Videos featuring influencers promoting e-cigarettes alongside healthy lifestyle activities

Group Type EXPERIMENTAL

Influencer marketing

Intervention Type OTHER

Participants watched online survey-imbedded promotional videos featuring influencers

Control group

Videos featuring influencers promoting e-cigarettes alone

Group Type ACTIVE_COMPARATOR

Influencer marketing

Intervention Type OTHER

Participants watched online survey-imbedded promotional videos featuring influencers

Interventions

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Influencer marketing

Participants watched online survey-imbedded promotional videos featuring influencers

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* 13-17 years of age,
* English fluency,
* Current California resident.

Exclusion Criteria

Not meeting these criteria:

* 13-17 years of age,
* English fluency,
* Current California resident.
Minimum Eligible Age

13 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Southern California

OTHER

Sponsor Role lead

Responsible Party

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Jennifer Unger

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Online survey, Qualtrics

Seattle, Washington, United States

Site Status

Countries

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United States

Other Identifiers

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UP-21-00352

Identifier Type: -

Identifier Source: org_study_id

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