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The Life Orientation Test (LOT), developed by Scheier and Carver (1985), is the most widely used measure of trait optimism. The predictive power of optimism for (physical) health (i.e. number of physical symptoms, speed of recovery, mortality and immune functions) was proved in a number of studies. However, the original (LOT) and revised (LOT–R) versions of the measure, and the construct of optimism...
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