Bolt (2004), “optimists cope with stressful events, from dealing
with unfamiliar environments to major health concerns, more effectively than
pessimists” (p. 160-161). Optimists are less likely to develop and face
problems and stress in life then pessimist. Optimism reinforces resistance to
different problems and stress in life weather the problems and forms of stress
are related to social, physical, psychological, or health concerns. Optimism
reduces stress and allows one to be open-mind about positive outcomes in life. One
who is optimistic is believed to have a better outlook on life in general and
this can lead to a greater physical well-being of health and psychological well-being
as well. A greater physical well-being of health and a greater psychological well-being
can lead to a longer healthier life. Optimism also leads to greater experiences
in life. The argument and belief in the peer reviewed article is that optimism
directly relates to psychological well-being and well-being of health based on environmental
and genetic influences.
The article “Genetic and Environmental Influences on Optimism and
its Relationship to Mental and Self-Rated Health: A Study of Aging Twins,”
assists that there was not a study that looked for a relationships between mental,
self-rated health, and optimism. So the expected outcome was an investigation into
the contributions of environmental and genetics and how they share correlations
between mental, self-rated health, and optimism, or psychological well-being, physical
well-being, and optimism. This basically makes the argument that there is a
relationship in some way of optimism, self-related, and mental health and environmental
and genetic contributions. A community-based sample was the method used to
prove this. In this sample it brought together twins numbering 3,053. The age
range of the twins was between 50 to 94 years. The breakdown of this group was
501 female monozygotic (MZ), 153 male monozygotic (MZ), 274 female dizygotic
(DZ), and 77 male dizygotic (DZ). As well as 242 dizygotic (DZ) twin pairs of
the opposite-sex. The number of single twins was 561 and the co-twins were not allowed
to join in the study.
The multi-wave mail-out study which needed 1 hour and 30 minutes
to complete and the Queensland Institute of Medical Research Human Research
Ethics Committee approved it. Consent was acknowledged by the return of said
questionnaire. In this questionnaire the updated version of the Life Orientation
test of pessimism and optimism also known as the (LOT-R) was used first. This
test is composed of 10 items by which three pertained to assess optimism, three
other items pertained to assess pessimism, and the last four items were fillers.
This test was set on giving three answers either yes, do not know, or no. Scored
on a three-point Likert scale, which is a psychometric scale often used in
research that employs questionnaires Three questions assist pessimism, three
question assist optimism, and the other four questions were the filler
questions. Scores could range from 6 to 18. A higher total score proved
optimism while a lower the total score proved pessimism. Mosing, Zietsch,
Shekar, Wright, and Martin, (2009) stated “since self-rated health is a
categorical variable, the LOT score was converted to an ordinal variable with
four categories” (p. 599). One’s that scored between 0 and 13 made up 19% and were
put into the fourth category. One’s who scored 14 to 15 made up 23% of the
sample and were put into category three. While ones who scored 16 to 17 made up
29% were put into category two and ones who scored 18 made up 29% and were put into category
one.
Next was 12-item version of the General Health Questionnaire or
(GHQ). Several studies showed the GHQ is
a valid and reliable measure that can estimate prevalence and severity of psychological
disorders. The twins needed to grade recent and present complaints as either
better than usual as 0, same as usual as 1, less than usual as 2, or much less
than usual as 3. The range of the final score would be between 0 and 36. The
scores of 11 to 12 were typical, any scores that were above 15 showed signs of
distress, and any score above higher 20 suggested severe problems and psychological
distress. Mosing, Zietsch, Shekar, Wright, and Martin, (2009) stated “for
consistency with the other variables, the GHQ was also analyzed as an ordinal
variable, with participants scoring 0–6 (25%) assigned to category one, 7–8
(31%) to category two, 9–13 (34%) to category three, 14–36 (10%) to category
four” (p. 599).
Last was the Self-Rated Health or (SRH) for short. One’s health
was determined by answering one question. Mosing, Zietsch, Shekar, Wright, and
Martin, (2009) stated “How would you describe your health at present?” (p.
599). This was scored on the five-point Likert scale. The answers ranged from
very good as 1, good as 2, fair as 3, poor as 4, and very poor as 5. Lundberg
and Manderbacka asserts “this single SRH-question has been shown to be a highly
reliable and valid measure of overall health as measured by means of other
indicators in all population groups” Mosing, Zietsch, Shekar, Wright, and
Martin, (2009). As well a predictor of the need for services, mortality, and correlated
certainty with clinical assessments. Only a few participants were determined as
rating their health as poor or very poor. So the categories of 3, 4 and 5 were
made into one category. This allowed a result of 36% of the twins placed into the
one or “very good” category, 46% were in the two or “good,” and 18% into the
three or “fair to very poor.”
The article and the data from it made the argument and showed how genetic
influences showed an explanation of the proportion of variance in optimism, self-rated
health, mental health, and the covariance between these variables. The data also
indicated the often reported association between mental health, self-rated
health and optimism may indeed be a result of genes predisposing to high
optimism as well as predisposing to good self-rated and mental health.
Therefore it can be concluded that ones who are and remain optimistic in life
enjoy physical well-being of health and a psychological well-being as well.
Bolt, M. (2004). Pursuing
human strengths: A positive psychology guide. New York, NY: Worth
Publishers.
Mosing, M. A., Zietsch, B. P., Shekar, S. N., Wright, M.
J., & Martin, N. G. (2009). Genetic and Environmental Influences on
Optimism and its Relationship to Mental and Self-Rated Health: A Study of Aging
Twins. Behavior Genetics, 39(6), 597-604. doi:10.1007/s10519-009-9287-7
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