18352612
Description
Mind Map by Katie Greensted, updated more than 1 year ago
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Created by Katie Greensted
over 5 years ago
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Evaluation: Guardia
- Generalisability
- The sample was limited which reduces
the generalisability of results. The
sample consisted of 25 anorexic
participants which is a small sample,
and all participants were female and
from the same clinic in France.
- Therefore, the results may be insufficient to
be generalised beyond France and the age
group that was tested, as well as lacking
generalisability to males as they were not
represented in the sample.
- Therefore, the results may be insufficient to
be generalised beyond France and the age
group that was tested, as well as lacking
generalisability to males as they were not
represented in the sample.
- However, as most people
suffering from anorexia are
young females, the sample is
generalisable to the target
population.
- Despite this, evidence suggests that the
prevalence of anorexia in males is growing
and therefore the results are starting to lack
generalisability more as the target
population is changing.
- Despite this, evidence suggests that the
prevalence of anorexia in males is growing
and therefore the results are starting to lack
generalisability more as the target
population is changing.
- The sample was limited which reduces
the generalisability of results. The
sample consisted of 25 anorexic
participants which is a small sample,
and all participants were female and
from the same clinic in France.
- Reliability
- Participants followed a standardised procedure and
there were many controls put in place, increasing
the reliability of results. For example, the anorexic
group and control group were matched on age and
education, reducing the effect of individual
differences on results, each aperture was shown 4
times, the same experimenter was used for each
participant in the 3PP condition, and participants
were stood 5.9m from the wall which the apertures
were being projected on to.
- This high level of control increases the
reliability of the study's results as it makes
the study easy to replicate and for more
results to be collected and compared.
- This high level of control increases the
reliability of the study's results as it makes
the study easy to replicate and for more
results to be collected and compared.
- Furthermore, this study is a
replication of a previous study,
which Guardia did to make sure
the previous findings were
reliable.
- Participants followed a standardised procedure and
there were many controls put in place, increasing
the reliability of results. For example, the anorexic
group and control group were matched on age and
education, reducing the effect of individual
differences on results, each aperture was shown 4
times, the same experimenter was used for each
participant in the 3PP condition, and participants
were stood 5.9m from the wall which the apertures
were being projected on to.
- Application
- The results of this study
suggested that people suffering
with anorexia perceive their
own body as larger, whereas
they perceive others as mostly
true to their real weight.
- These results have high applicability as they
help deepen our understanding of anorexia
and allow us to conduct further research in
order to support these findings further.
- These results have high applicability as they
help deepen our understanding of anorexia
and allow us to conduct further research in
order to support these findings further.
- Guardia suggested that the reason
for the body image distortion
experienced by the anorexic group
is due to their CNS not fully
updating so they are unable to see
the extent of their low body
weight.
- This helps explain a reason why
anorexics have issues with their body
image (distorted cognition), and could
help inform treatment options.
- This helps explain a reason why
anorexics have issues with their body
image (distorted cognition), and could
help inform treatment options.
- The results of this study
suggested that people suffering
with anorexia perceive their
own body as larger, whereas
they perceive others as mostly
true to their real weight.
- Validity
- The study was conducted in a lab setting
which could have impacted the results as
they didn't reflect real life. "Door like"
apertures were projected on a wall rather
than real door frames being used, so the
task being done was more artificial as
making a visual judgement of a projection is
not the same as judging a physical frame.
- Therefore, the results of the study
may lack ecological validity as
they might not reflect the real
perception participants have of
themselves or others.
- Therefore, the results of the study
may lack ecological validity as
they might not reflect the real
perception participants have of
themselves or others.
- However, some controls were put in
place to make sure the projected
apertures were as realistic as possible.
For example, they were 2m in height
which is similar to the height of a real
doorframe and they were projected a
certain distance from the wall to
ensure they reached the floor like a
real doorframe would.
- As the apertures were made to
resemble a real door frame, the results
will likely be more ecologically valid
and would reflect more realistic
attitudes to body image in anorexics.
- As the apertures were made to
resemble a real door frame, the results
will likely be more ecologically valid
and would reflect more realistic
attitudes to body image in anorexics.
- The study was conducted in a lab setting
which could have impacted the results as
they didn't reflect real life. "Door like"
apertures were projected on a wall rather
than real door frames being used, so the
task being done was more artificial as
making a visual judgement of a projection is
not the same as judging a physical frame.
- Ethics
- As the study was exploring a sensitive
and personal subject, participants could
have potentially become upset.
Participants were essentially asked to
consider their own body weight and
compare it to someone else's, which may
have made them feel fat and unable to fit
through the aperture.
- As anorexia is often linked to weight
insecurities, this could be distressing for
the participants, suggesting participant
protection was poor, which is an ethical
issue that needs consideration. This
could have potentially led to a
deterioration in their disorder also.
- However, there was an ethics
panel involved to combat this,
which improves the ethics of the
results by increasing the level of
protection for participants.
- As anorexia is often linked to weight
insecurities, this could be distressing for
the participants, suggesting participant
protection was poor, which is an ethical
issue that needs consideration. This
could have potentially led to a
deterioration in their disorder also.
- As the study was exploring a sensitive
and personal subject, participants could
have potentially become upset.
Participants were essentially asked to
consider their own body weight and
compare it to someone else's, which may
have made them feel fat and unable to fit
through the aperture.
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