Attitudes
Conditions
Brief summary
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.
Interventions
BEHAVIORALUsing the term community immunity instead of herd immunity
In the intervention arm, participants are shown the less traditional term community immunity in place of the more traditional herd immunity
BEHAVIORALHerd immunity
Using the traditional term herd immunity
Sponsors
Laval University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE (Subject)
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
* 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
Exclusion criteria
\- Unable to view images on a computer
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Orientation towards protection of others | Immediately after the intervention | 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). |
Contacts
Primary ContactHolly Witteman, PhD
Outcome results
None listed