Psychometric Evaluation Of A New Measure Of Dispositional Optimism

1549 Words7 Pages
Psychometric Evaluation of a New Measure of Dispositional Optimism Dispositional optimism (DO) is a psychological construct defined as the tendency to have positive expectations about the future (Carver & Scheier, 2014). DO is considered a relatively stable trait, and is based upon the expectancy-value theory of motivation. The theory suggests that an individual’s confidence in their ability to succeed (expectancy) and the predicted benefits of completing a task (value) determine the strength of their motivation. A person with a high score of DO (an optimist) is likely to exert effort when tackling a challenging task as they tend to be more confident when assessing their ability to complete a valued goal. The confidence in their abilities…show more content…
Studies have also found links between DO and higher levels of psychological well-being (Chang, 1998), higher self esteem (Weber, Puskar, & Ren, 2010), and lower levels of stress and anger (Huan, Yeo, Ang, & Chong, 2006). In consideration of the importance of understanding and predicting physical and psychological health behaviours, reliable methods of testing DO are of significant value. Sharpe, Martin, and Roth (2011) performed an experiment analysing the relationship between DO, using the LOT test (Scheier, Carver, & Bridges, 1994), and personality traits, using the Big Five Factor Markers (Goldberg, 1992). Their results showed significant positive correlations between DO and Extraversion, Agreeableness, Openness and Conscientiousness, and significant negative correlations between DO and Neuroticism. The strongest predictors of DO were scores of Neuroticism and Extraversion. Openness was the weakest predictor of DO. The results of the study demonstrated the predictive relationship between personality traits and DO. The purpose of this study is to develop and assess the reliability and validity of a new self-report measure of DO. In order to achieve this, participants will be required to complete an online survey comprised of an existing psychometric measure of DO (the Life Orientation Test – Revised (LOT-R); Scheier, Carver, & Bridges, 1994), an established measure of personality traits (Big Five Factor Markers; Goldberg,
Open Document