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Evaluation of remote usability techniques in a elderly. cohort
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Evaluation of remote usability techniques in a elderly. cohort
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http://www.ohsu.edu/xd/education/library/services/theses-dissertations/rights-statement.cfm
Title
Evaluation
of
remote
usability
techniques
in a
elderly
.
cohort
Creator.PersonalName
Yu
,
Chia-Hua
Thesis.Degree
M.B.I.
Thesis.Major
Biomedical Informatics
Thesis.DateDegreeAwarded
August
2010
Institution
Oregon Health & Science University
School
School of Medicine
Department
Dept. of Medical Informatics and Clinical Epidemiology
Thesis.Committee
Jimison, Holly Brugge
Subject.MeSH
Medical Informatics
Aged
Feasibility Studies
Qualitative Research
Call Number
Q 171 Y94 2010
Description.Abstract
Background
The
rising
cost
of
health
care
has
motivated
the
exploration
of
different
models
of
care
.
One
such
model
is
the
health
coaching
paradigm
.
Focusing
on
health
maintenance
behaviors
,
health
coaches
may
provide
more
attentive
and
timely
help
at
lower
cost
than
traditional
primary
care
models
.
Health
coaches
can
be
supported
by
internet
technologies
,
allowing
the
coach
to
communicate
with
more
participants
than would be
possible
with
in-person
appointments
. The
Oregon
Center
for
Aging
and
Technology
Living
Lab
combines
the
health
coach
approach
with
information
technology
to
deliver
timely
coaching
interventions
among
an
elderly
population
to
promote
cognitive
health
. The
current
study
examines
the
usability
of a
client-facing
interface
using
remote
usability
methods
. An
additional
goal
is
to
examine
the
feasibility
of
remote
usability
methods
among
an
elderly
population
as
well
as to
evaluate
the
usability
of the
interface
.
Methods
This
study
utilizes
the
think
aloud
protocol
, a
discount
usability
technique
.
Participants
were
recruited
from the
Living
Lab
Participants
pool
.
Participants
were
contacted
via
the
Skype
internet
telephone
application
, and then
transferred
to a
web
conference
application
for the
usability
testing
.
Participants
were
guided
through
five
tasks
,
during
which
they were
asked
to
verbalize
their
thoughts
while
using
the
system
. The
usability
test
session
was
recorded
on
computer
using
screen
capture
software
and
analyzed
after
the
test
session
.
Results
The
users
had
considerable
difficulty
completing
the
usability
tasks
,
implying
usability
issues
. In
addition
, the
think
aloud
protocol
proved
to be a
challenging
task
. The
combination
of a
new
computer
interface
and a
novel
task
may
have
hindered
task
completion
.
Discussion
The
participants
exhibited
a
tentative
interaction
style
, as
several
subjects
expressed
some
discomfort
in
using
computers
. This
computer-related
anxiety
may
have
affected
their
ability
to
complete
tasks
, as
some
degree
of
exploratory
behavior
is
required
to
complete
the
tasks
.
Contributing
to the
lack
of
task
completion
is
the
visual
complexity
of
some
of the
screens
.
Several
design
enhancements
are
suggested
to
increase
the
usability
of the
system
.
Language
eng
Type
Text
Format.Use
Needs Adobe Acrobat to view
Format.FileSize
829116 Bytes
OCLC number
670635725
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