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Measuring dispositional optimism in large-scale studies: psychometric evidence for German, Spanish, and Italian versions of the Scale Optimism-Pessimism-2 (SOP2)
[journal article]
Abstract In different fields of the behavioral sciences, a growing demand for brief measures of psychological constructs can be observed. The current research presents new evidence on the reliability and validity of a recently developed ultra-short measure of the optimism construct sensu Scheier and Carver (... view more
In different fields of the behavioral sciences, a growing demand for brief measures of psychological constructs can be observed. The current research presents new evidence on the reliability and validity of a recently developed ultra-short measure of the optimism construct sensu Scheier and Carver (1985), the German version of the Scale Optimism-Pessimism-2 (SOP2) as well as first evidence on Spanish and Italian adaptations. Reliability estimates indicate good reliability. Correlations with criteria from the nomological net of the construct are as expected. Equivalence of SOP2 factors across language versions is supported. Due to its highly efficient, yet accurate and valid measurement of the construct, the SOP2 is strongly recommended for assessment settings with severe monetary/time constraints, for example, large-scale surveys. Due to the factor equivalence, the SOP2 is also a valuable measure for cross-cultural studies. (author's abstract)... view less
Keywords
psychometrics; analysis; indicator; questionnaire; development; data quality; personality psychology; personality research; methodological research; measurement instrument; personality traits; pessimism; scale construction; personality; optimism; empirical research
Classification
Methods and Techniques of Data Collection and Data Analysis, Statistical Methods, Computer Methods
Personality Psychology
Free Keywords
Scale Optimism-Pessimism-2; SOP2
Document language
English
Publication Year
2015
Page/Pages
p. 1-8
Journal
European Journal of Psychological Assessment, 31 (2015)
DOI
https://doi.org/10.1027/1015-5759/a000297
ISSN
2151-2426
Status
Postprint; peer reviewed
Licence
Deposit Licence - No Redistribution, No Modifications