This study investigated the possible relationship between bilingualism and social anxiety disorder. Past research has indicated developmental delays in language as increasing risk for other psychological difficulties. With the pressure to learn two languages, possibly in the drastically different environments of home, school, and/or work, individuals may be vulnerable to becoming socially anxious in conjunction with language use. This study examined a series of factors surrounding linguistic development and reports of social anxiety. Participants were divided into 4 groups: Socially Anxious (SA; n = 43) monolinguals, Non-Socially Anxious (Non-SA; n = 81) monolinguals, SA bilinguals (n = 30), and Non-SA bilinguals (n = 43). Measures of social anxiety, linguistic ability, and demographic information were collected and compared. The results of this study showed no direct link between bilingualism and SAD. However results raised other questions as there was an overrepresentation of SA bilinguals having accents when compared with Non-SA bilingual individuals.

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<p>Research utilizing the dot probe task to examine attentional bias to threat in social anxiety has yielded inconsistent findings. Many manipulations have been included across dot probe studies, perhaps contributing to the discrepant results. Alternatively, the psychometrics of the dot probe may play a role. Two studies that have examined the psychometric properties of the task found the task to be unreliable (Schmuckle, 2005; Staugaard, 2009).</p> <p>Prompted by the mixed findings, the present study had two overarching goals. The first was to replicate and extend the extant literature by incorporating a number of manipulations into the dot probe task and examining individual differences in social anxiety, and personality types associated with social avoidance and social approach, or shyness and sociability, respectively. The second goal was to investigate the psychometrics of the dot probe task by assessing its test-retest reliability and internal consistency. To address these goals, participants completed a dot probe task that involved manipulations of emotional valence (happy, angry), intensity (moderate, strong), and exposure time (100ms, 500ms) of facial stimuli on two occasions, separated approximately by a month. Additionally, participants were parsed into high and low groups of social anxiety, shyness, and sociability by way of median splits on two personality measures.</p> <p>Using attentional bias scores, a group difference was observed only in the sociability grouping at Time 1. In the low sociability group, a marginal (<em>p</em>=0.049) interaction between valence and intensity was found. This interaction, however, was not observed at Time 2. Additionally, poor test-retest reliability and internal consistency of the task were observed.</p> <p>These findings bring into question the nature of attentional bias in social anxiety, shyness, and sociability, and the psychometric soundness of the dot probe task. Conceptual and psychometric issues are discussed pertaining to the present study’s results and the extant dot probe literature.</p> / Master of Science (MSc)

There is a well-established link between peer victimization and social anxiety disorder (SAD). Additionally, rates of bullying are significantly higher in obese compared to normal-weight individuals. However, social anxiety (SA) has not yet been examined in the context of weight, weight bias, and social rejection. This study examined the relationship between SA and weight in undergraduate women (N = 186). It aimed to determine whether implicit weight bias moderated the relationship between body mass index (BMI) and SA. In addition, it explored the interactive effects of SA, BMI, and body image salience on emotional response to exclusion in a social ostracism paradigm (Cyberball). Participants answered questions pertaining to SA and stigmatizing attitudes toward overweight/obesity and completed an implicit association test about weight. One week later, they played Cyberball, completing state measures of affect before and after the game. Although rates of clinically elevated SA did not differ significantly across normal-weight, overweight, and obese women, implicit weight bias did moderate the relationship between BMI and SA. The 3-way interaction of BMI, SA, and body image salience did not significantly predict post-exclusion state measures. However, body image salience moderated the relationship between SA and post-exclusion anxiety as well as between BMI and post-exclusion anxiety. Findings from this study shed light on the role of body weight in the experience of SA. Results suggest that higher BMI is associated with higher SA for those with high, but not low implicit weight bias. In addition, individuals with elevated SA are particularly reactive to exclusion if their bodies are visible to others. / Psychology