Separating optimism and pessimism: a robust psychometric analysis of the revised Life Orientation Test (LOT-R).

@article{Herzberg2006SeparatingOA,
  title={Separating optimism and pessimism: a robust psychometric analysis of the revised Life Orientation Test (LOT-R).},
  author={Philipp Yorck Herzberg and Heide Glaesmer and J{\"u}rgen Hoyer},
  journal={Psychological assessment},
  year={2006},
  volume={18 4},
  pages={
          433-438
        }
}
The internal structure of the revised Life Orientation Test (LOT-R, German version; M. F. Scheier, C. S. Carver, & M. W. Bridges, 1994) was analyzed in a sample of 46,133 participants who ranged in age from 18 years to 103 years. Confirmatory factor analysis showed that dispositional optimism, as measured by the LOT-R, is bidimensional, consisting of an Optimism and a Pessimism factor. Consistent with previous results, there were small to moderate negative correlations between Optimism and… 

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References

SHOWING 1-10 OF 25 REFERENCES
Construct validation of optimism and pessimism in older men: findings from the normative aging study.
TLDR
It is suggested that optimism and pessimism are separate and that their relations to external criteria remain, although attenuated, when neuroticism and extraversion are controlled.
Distinguishing optimism from neuroticism (and trait anxiety, self-mastery, and self-esteem): a reevaluation of the Life Orientation Test.
TLDR
Examination of the scale on somewhat different grounds, however, does suggest that future applications can benefit from its revision, and a minor modification to the Life Orientation Test is described, along with data bearing on the revised scale's psychometric properties.
Distinguishing optimism from pessimism in older adults: is it more important to be optimistic or not to be pessimistic?
TLDR
The Life Orientation Test consisted of separate Optimism and Pessimism factors among middle-aged and older adults and uniquely predicted subsequent psychological and physical health; however, optimism and pessimism were equally predictive for stressed and nonstressed samples.
A Psychometric Comparison of Four Measures of Hope and Optimism
This study was designed to compare and contrast the psychometric properties of four scales developed to measure hope and optimism, namely, the Revised Generalized Expectancy for Success Scale, the
Multidimensional Properties of the Lot-R: Effects of Optimism and Pessimism on Career and Well-Being Related Variables in Adolescents
The Life Orientation Test-Revised (LOT-R), measures of career maturity, career decision-making, career goals, and well-being were administered to 504 high school students. Exploratory and
Optimism and Pessimism in the Context of Health: Bipolar Opposites or Separate Constructs?
TLDR
The Life Orientation Test was examined to determine whether the two-factor structure is explained by method bias (due to measurement) or substantive differences, and optimism and pessimism emerged as distinct constructs due to substantive differences.
Optimism, coping, and health: assessment and implications of generalized outcome expectancies.
  • M. Scheier, C. Carver
  • Psychology
    Health psychology : official journal of the Division of Health Psychology, American Psychological Association
  • 1985
TLDR
A scale measuring dispositional optimism, defined in terms of generalized outcome expectancies, was used in a longitudinal study of symptom reporting among a group of undergraduates and predicted that subjects who initially reported being highly optimistic were subsequently less likely to report being bothered by symptoms.
Distinguishing optimism from pessimism : relations to fundamental dimensions of mood and personality
Contrary to unidimensional conceptions of optimism and pessimism, factor analysis of 2 widely used instruments revealed that optimism and pessimism are empirically differentiable, but related,
...
...