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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]

Kemper, Christoph J.; Wassermann, Maria; Hoppe, Annekatrin; Beierlein, Constanze; Rammstedt, Beatrice


This full text is available after a period of embargo until the 1 Dec. 2016

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Please use the following Persistent Identifier (PID) to cite this document:http://nbn-resolving.de/urn:nbn:de:0168-ssoar-47166-3

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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 (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)
Keywords scale construction; indicator; analysis; questionnaire; development; personality psychology; personality traits; personality research; optimism; personality; measurement instrument; data quality; empirical research; pessimism; methodological research; psychometrics
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 http://dx.doi.org/10.1027/1015-5759/a000297
ISSN 2151-2426
Status Postprint; peer reviewed
Licence Deposit Licence - No Redistribution, No Modifications