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

  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},
  volume={18 4},
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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