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Measuring Wishful Thinking: The Development and Validation of a New Scale

dc.contributor.advisorSigall, Harolden_US
dc.contributor.authorEichelberger, Angela Hen_US
dc.date.accessioned2007-09-28T14:57:18Z
dc.date.available2007-09-28T14:57:18Z
dc.date.issued2007-06-05en_US
dc.identifier.urihttp://hdl.handle.net/1903/7191
dc.description.abstractThis dissertation describes the development and validation of a 10-item scale measuring individual differences in wishful thinking, or the degree to which individuals' desires bias their judgments. A study was conducted to investigate the new scale's psychometric properties, as well as its relationships with other self-report measures. The wishful thinking measure demonstrated convergent validity with other measures of bias, including self-deceptive enhancement, belief in a just world, and social desirability. Wishful thinking showed discriminant validity with several dimensions of problem-focused coping. Wishful thinking was related to optimism and greater use of positive reinterpretation and growth, an emotion-focused coping response. Next, the new measure was used to distinguish optimists who were wishful thinkers from those who were realistic. An experimental study was conducted to investigate hypothesized differences between wishful thinkers and realistic optimists. In this study, participants were asked to make judgments about their future performance. When success at the task was important to wishful thinkers, they judged success as more likely than when success was not important to them. Realistic optimists did not vary their judgments as a function of importance. The optimal margin of illusion hypothesis was not supported; extreme levels of optimism and wishful thinking were not associated with overconfidence and poor performance. Potential uses of the wishful thinking measure for future research are discussed.en_US
dc.format.extent814320 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_US
dc.titleMeasuring Wishful Thinking: The Development and Validation of a New Scaleen_US
dc.typeDissertationen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentPsychologyen_US
dc.subject.pqcontrolledPsychology, Socialen_US
dc.subject.pquncontrolledwishful thinkingen_US
dc.subject.pquncontrolledmeasurementen_US
dc.subject.pquncontrolledoptimismen_US
dc.subject.pquncontrolledmotivated cognitionen_US
dc.subject.pquncontrolledsocial cognitionen_US


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