An Experiment Comparing Public Reactions to the Labels "Community Immunity" Versus "Herd Immunity".

ConditionAttitudes
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorLaval University

About this trial

Participants are shown a scenario consisting of static images from a previous study ("herdimm") showing a visualization of how herd immunity works. Participants are randomized to see the text with the term "herd immunity" or "community immunity."

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Able to use a computer

Able to use the internet

Able to read and respond to questions in English or French

18+ years old and living in Canada

Disqualifiers

None

Trial design

Design model

Parallel

Treatments tested in this trial

  • Using the term "community immunity" instead of "herd immunity"

    Behavioral

    In the intervention arm, participants are shown the less traditional term "community immunity" in place of the more traditional "herd immunity"

  • Herd immunity

    Behavioral

    Using the traditional term "herd immunity"

Treatment groups

350 Participants
are divided into 2 treatment groups
Group A: Herd immunityPlacebo comparator 1 intervention
Group B: Community immunityExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Orientation towards protection of others

A measure of the extent to which people believe that individual vaccination behavior is important to protect others. Question wording: "When a safe and effective vaccine exists that can prevent people from catching and passing on a contagious disease, it is important for people to get vaccinated to protect ..." Measured across two to three items (family, others in the community, people who are more vulnerable to disease) on a 7-point Likert-type scale (strongly disagree = 1, strongly agree = 7).

Time frame
Immediately after the intervention

Secondary outcomes

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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This trial is not recruiting at the moment. You can still explore other options: