Objectives:
This
Registered
Report
attempted
to
conceptually
replicate
the
finding
that
communicating
herd
immunity
increases
vaccination
intentions
(Betsch,
et
al.,
2017,
Nat.
Hum.
Behav.,
0056).
An
additional
objective
was
explore
roles
of
descriptive
social
norms
(vaccination
behaviour
others)
and
herd-immunity
threshold
(coverage
needed
stop
disease
transmission).Design:
online
experiment
with
a
2
(herd-immunity
explanation:
present
vs.
absent)
x
3
(descriptive
norm:
high
low
threshold:
between-subjects
fractional
design.Methods:
Sample
consisted
543
people
(aged
18–64)
residing
in
United
Kingdom.
Participants
first
received
an
explanation
emphasising
benefits
(protecting
both
textual
animated-infographic
form.
Next,
they
were
faced
fictitious
information
about
disease,
vaccine,
their
country’s
coverage
(80%
or
20%),
(90%).
Vaccination
intention
self-rated.Results:
Compared
control,
effective
increasing
(F(1,541)
=
6.97,
p
.009,
Partial
Eta-Squared
0.013).
Communicating
norm
alongside
demonstrated
no
observable
effect.Conclusion:
increased
self-reported
against
replicating
previous
findings.
Although
this
result
is
positive,
practical
relevance
may
be
limited.
Further
research
into
effect
nudges
motivate
required,
particularly
respect
recent
pandemic
context
varying
levels
vaccine
hesitancy.
Vaccines,
Journal Year:
2021,
Volume and Issue:
9(10), P. 1059 - 1059
Published: Sept. 23, 2021
The
understanding
of
the
public
response
to
COVID-19
vaccines
is
key
success
factor
control
pandemic.
To
understand
response,
there
a
need
explore
opinion.
Traditional
surveys
are
expensive
and
time-consuming,
address
limited
health
topics,
obtain
small-scale
data.
Twitter
can
provide
great
opportunity
opinion
regarding
vaccines.
current
study
proposes
an
approach
using
computational
human
coding
methods
collect
analyze
large
number
tweets
wider
perspective
on
vaccine.
This
identifies
sentiment
machine
learning
rule-based
approach,
discovers
major
explores
temporal
trend
compares
topics
negative
non-negative
statistical
tests,
discloses
top
having
sentiment.
Our
findings
show
that
vaccine
had
decreasing
between
November
2020
February
2021.
We
found
users
have
discussed
wide
range
from
vaccination
sites
U.S.
election
was
significant
difference
weight
most
topics.
results
also
indicate
different
topic
priorities
focuses.
research
illustrates
data
be
used
Social Science & Medicine,
Journal Year:
2021,
Volume and Issue:
292, P. 114561 - 114561
Published: Nov. 9, 2021
Vaccination
promotion
is
a
crucial
strategy
to
end
the
COVID-19
pandemic;
however,
individual
autonomy
should
also
be
respected.
This
study
aimed
discover
other-regarding
information
nudges
that
can
reinforce
people's
intention
receive
vaccine
without
impeding
their
autonomous
decision-making.
In
March
2021,
we
conducted
an
online
experiment
with
1595
people
living
throughout
Japan,
and
randomly
assigned
them
either
of
one
control
group
three
treatment
groups
received
messages
differently
describing
peer
information:
control,
comparison,
influence-gain,
influence-loss.
We
compared
each
message's
effects
on
vaccination
intention,
decision-making,
emotional
response.
found
influence-gain
nudge
was
effective
in
increasing
number
older
adults
who
newly
decided
vaccine.
The
comparison
influence-loss
further
reinforced
had
already
planned
it.
However,
nudge,
which
conveys
similar
but
loss-framing,
increased
viewers'
negative
emotion.
These
no
promoting
effect
for
young
lower
intentions
at
baseline.
Based
findings,
propose
governments
use
different
depending
purposes
targets,
such
as
instead
influence-loss,
encourage
voluntary
behavior.
JAMA Network Open,
Journal Year:
2021,
Volume and Issue:
4(7), P. e2118702 - e2118702
Published: July 28, 2021
The
first
opportunities
to
field
test
interventions
increase
COVID-19
vaccination
were
among
health
care
workers
(HCWs),
who
the
be
offered
vaccines.
After
1
large
Pennsylvania
system
sent
36
vaccine-related
mass
emails
employees
over
5
weeks
(eAppendix
in
Supplement
1),
9723
of
23 700
HCWs
(41%)
had
still
not
scheduled
their
vaccination.
We
sought
determine
whether
individually
addressed
designed
with
behaviorally
informed
features1,2,3,4,5
could
registration
compared
a
delayed
control
group.
npj Vaccines,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: Sept. 30, 2021
Abstract
Herd
immunity
by
mass
vaccination
offers
the
potential
to
substantially
limit
continuing
spread
of
COVID-19,
but
high
levels
vaccine
hesitancy
threaten
this
goal.
In
a
cross-country
analysis
hesitant
respondents
across
Latin
America
in
January
2021,
we
experimentally
tested
how
five
features
campaigns—the
vaccine’s
producer,
efficacy,
endorser,
distributor,
and
current
population
uptake
rate—shifted
willingness
take
COVID-19
vaccine.
We
find
that
citizens
preferred
Western-produced
vaccines,
were
highly
influenced
factual
information
about
efficacy.
Vaccine
individuals
more
responsive
messengers
with
medical
expertise
than
political,
religious,
or
media
elite
endorsements.
Citizen
trust
foreign
governments,
domestic
leaders,
state
institutions
moderated
effects
campaign
on
acceptance.
These
findings
can
help
inform
design
unfolding
inoculation
campaigns.
PLoS ONE,
Journal Year:
2021,
Volume and Issue:
16(10), P. e0259059 - e0259059
Published: Oct. 28, 2021
As
safe
and
effective
vaccines
become
widely
available,
attaining
herd
immunity
limiting
the
spread
of
COVID-19
will
depend
on
individuals
choosing
to
vaccinate—and
doing
so
quickly
enough
outpace
mutations.
Using
online
surveys
conducted
across
six
Latin
American
countries
in
January
2021,
we
experimentally
assess
messages
designed
counteract
informational
deficiencies
collective
action
problems
that
may
drive
hesitancy.
We
first
find
basic
vaccine
information
persuades
around
8%
hesitant
willing
vaccinate,
reduces
intended
wait
vaccinate
by
0.4
months,
increases
willingness
encourage
others
vaccinate.
Rather
than
facilitating
free
riding,
learning,
or
social
conformity,
additional
about
others’
behavior
acceptance
when
respondents
expect
be
achieved.
Finally,
priming
approval
benefits
vaccinating
also
acceptance.
These
results
suggest
providing
shaping
expectations
incentives
could
both
significantly
increase
uptake.
British Journal of Political Science,
Journal Year:
2022,
Volume and Issue:
53(2), P. 698 - 706
Published: Oct. 24, 2022
Abstract
Politics
and
science
have
become
increasingly
intertwined.
Salient
scientific
issues,
such
as
climate
change,
evolution,
stem-cell
research,
politicized,
pitting
partisans
against
one
another.
This
creates
a
challenge
of
how
to
effectively
communicate
on
issues.
Recent
work
emphasizes
the
need
for
tailored
messages
specific
groups.
Here,
we
focus
whether
generalized
also
can
matter.
We
do
so
in
context
highly
polarized
issue:
extreme
COVID-19
vaccine
resistance.
The
results
show
that
science-based,
moral
frame,
social
norm
move
behavioral
intentions,
by
same
amount
across
population
(that
is,
homogeneous
effects).
Counter
common
portrayals,
politicization
does
not
preclude
using
broad
resonate
with
entire
population.
British Journal of Health Psychology,
Journal Year:
2021,
Volume and Issue:
26(4), P. 1219 - 1237
Published: Sept. 8, 2021
Objectives
This
Registered
Report
attempted
to
conceptually
replicate
the
finding
that
communicating
herd
immunity
increases
vaccination
intentions
(Betsch,
et
al.,
2017,
Nat.
Hum.
Behav
.,
0056).
An
additional
objective
was
explore
roles
of
descriptive
social
norms
(vaccination
behaviour
others)
and
herd‐immunity
threshold
(coverage
needed
stop
disease
transmission).
Design
online
experiment
with
a
2
(herd‐immunity
explanation:
present
vs.
absent)
×
3
(descriptive
norm:
high
low
threshold:
between‐subjects
fractional
design.
Methods
Sample
consisted
543
people
(aged
18–64)
residing
in
United
Kingdom.
Participants
first
received
an
explanation
emphasising
benefits
(protecting
both
textual
animated‐infographic
form.
Next,
they
were
faced
fictitious
information
about
disease,
vaccine,
their
country’s
coverage
(80%
or
20%),
(90%).
Vaccination
intention
self‐rated.
Results
Compared
control,
effective
increasing
(
F
(1,541)
=
6.97,
p
.009,
Partial
Eta‐Squared
0.013).
Communicating
norm
alongside
demonstrated
no
observable
effect.
Conclusion
increased
self‐reported
against
replicating
previous
findings.
Although
this
result
is
positive,
practical
relevance
may
be
limited.
Further
research
into
effect
nudges
motivate
required,
particularly
respect
recent
pandemic
context
varying
levels
vaccine
hesitancy.
Fear
over
side-effects
is
one
of
the
main
drivers
COVID-19
vaccine
hesitancy.
A
large
literature
in
behavioral
and
communication
sciences
finds
that
how
risks
are
framed
presented
to
individuals
affects
their
judgments
its
severity.
However,
it
remains
unknown
whether
such
framing
changes
can
affect
behavior
be
deployed
as
policy
solutions
reduce
npj Vaccines,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Oct. 1, 2022
Prior
research
into
the
relationship
between
attitudes
and
vaccination
intention
is
predominantly
cross-sectional
therefore
does
not
provide
insight
directions
of
relations.
During
COVID-19
vaccines
development
enrollment
phase,
we
studied
temporal
dynamics
in
relation
to
toward
pandemic,
general,
social
norms
trust.
The
data
are
derived
from
a
longitudinal
survey
study
with
Dutch
participants
panel
(N
=
744;
six
measurements
December
2020
May
2021;
age
18-84
years
[M
53.32])
analyzed
vector-autoregression
network
analyses.
While
results
indicated
that
was
relatively
strongly
related
vaccines,
analyses
showed
mainly
predicted
other
vaccination-related
variables
lesser
extent
by
variables.
We
found
weak
predictive
effect
norm
robust.
This
underlines
challenge
stimulating
uptake
new
developed
during
pandemics,
importance
examining
effects
intention.
