Anxiety Sensitivity (AS) is a useful psychological construct in understanding the development of general and clinical anxiety. An increased amount of research has recently been conducted in this area. Since the development of the 16-item Anxiety Sensitivity Index (ASI), there has been deliberation in the literature about the relationship of the AS construct and the ASI, to the personality construct of trait anxiety. Central to this discus sion is the notion that AS is nothing more than trait anxiety. This position brings into question the conceptual and empirical validity of AS. This study aimed to explore and describe the relationship between trait anxiety and anxiety sensitivity, through the use of an exploratory-descriptive correlational design. Levels of trait anxiety were determined through the use of subscales on the Sixteen Personality Factor Questionnaire (16PF) and anxiety sensitivity through the use of the ASI. Using a convenience sampling technique, 84 student volunteers completed the 16PF and ASI. Descriptive statistics and inferential statistics were employed for data analysis. The results indicate that the sample group had the capacity to express emotional energy along integrated channels and was thus well suited for exploring the relationship between the construct of trait anxiety and anxiety sensitivity. The relationship between trait anxiety and AS in the sample group was explored through the use of two statistical procedures. Firstly, the coefficient of determination (r²) was calculated and revealed that 24% of the variance among the ASI scores were attributable to variations in Factor QII scores of the 16PF and viceversa. Secondly, a multiple regression analysis technique revealed that 28% of the variance in the ASI score could be explained by the combination of factors Q4 (free- floating anxiety), O (guilt proneness), C (ego strength), L (suspiciousness), Q3 (ability to bind anxiety) of the 16PF. These key findings are in line with other research in that the constructs of trait anxiety and anxiety sensitivity showed a level of variance. As such, it was concluded that although the constructs may be related, they are not synonymous.

Misophonia is a decreased sound tolerance condition (DST) that is not yet well-established in the literature. However, the existing research on misophonia shows that it is occurring at substantial levels in the population. The majority of the existing literature has focused on the clinical correlates of misophonia. Although the correlates have been investigated, there is no accepted mechanism behind misophonia etiology or maintenance. The present study examined three hypotheses in order to start to identify potential mechanisms behind misophonia: how emotional predilections are related to the emotional response, how obsessive-compulsive disorder (OCD) symptoms and misophonia are related, and the possibility that the relationship between anxiety sensitivity (AS) and misophonia may be explained in part by the presence of OCD symptoms. Data were collected by Cash (2015) using both undergraduate students (N=451) and community participants (N = 377) using Amazon’s MTurk. Participants completed an online cross-sectional survey assessing for a number of decreased sound tolerance conditions, individual differences variables, and clinical variables. The current study specifically used measures of anxiety sensitivity, OCD, misophonia symptom severity, trait anger, and trait anxiety. Consistent with the literature on state-trait theory, trait emotion was predictive of state levels, such that trait anger was most predictive of an angry misophonic response and trait anxiety was most predictive of an anxious reaction to misophonic stimuli. Misophonia was more strongly related to obsessive than to compulsive components of OCD, consistent with case reports of obsessive thoughts in misophonia. Lastly, OCD symptoms partially mediated the relationship between AS symptom severity and misophonia symptom severity. These results supported our hypotheses, and align with the theorized role of anxiety sensitivity in OCD and in misophonia. Although the data are cross-sectional in nature, and causality cannot be confirmed, the current study provides a strong basis for future research into the mechanisms of misophonia.

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Anxiety is a mental illness that can have significant deleterious impacts on an individual’s functioning. Although anxiety has been studied in older adults, there is conflicting evidence on differences in anxiety as a function of age. Anxiety sensitivity is a construct that is positively related to anxiety but has limited research in older adults. Extant literature suggests that older adults experience less anxiety sensitivity than do younger adults. According to Socioemotional Selectivity Theory, this may be due to older adults letting go of the things that make them anxious. The current study proposed that age impacts self-rated anxiety such that it is lower in older adults than it is in middle-aged adults and posits that anxiety sensitivity may mediate the relationship between anxiety and age. The results suggested a significant indirect effect but no direct effect, precluding the presence of mediation. There was a significant relationship between age and anxiety sensitivity. Further examination revealed that the relationship between age and anxiety sensitivity was not significant for people under 60 years old, but it remained significant for participants 60 years and older.

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Os transtornos de ansiedade representam uma das formas mais comuns de psicopatologia em crianças e adolescentes e estão associados com prejuízos no funcionamento acadêmico, social e familiar. Porém, permanecem frequentemente subdiagnosticados e subtratados. O bullying escolar é muito comum e está associado com um amplo espectro de problemas psiquiátricos, incluindo sintomas de ansiedade. O principal objetivo desta tese foi examinar a prevalência de bullying em uma grande amostra comunitária de crianças e adolescentes brasileiros e investigar a associação entre bullying e sintomatologia ansiosa de acordo com o DSM-IV. Esse estudo transversal consistiu no preenchimento de um questionário sobre bullying e de sua frequência e de um instrumento auto-aplicativo de triagem para transtornos de ansiedade que é a Screen for Child Anxiety Related Emotional Disorders (SCARED) por 2.353 estudantes entre 9 e 18 anos provenientes de seis escolas pertencentes à área de captação da Unidade Básica de Saúde do Hospital de Clínicas de Porto Alegre. Um total de 22,9% da amostra relatou envolvimento com bullying frequente, como agressor (7,6%), como vítima (5,7%) ou como agressor-vítima (9,6%). Em geral, meninos foram mais envolvidos como agressores e como agressores-vítimas e meninas como vítimas. Nossos achados demonstraram que estudantes envolvidos com bullying, como vítimas ou agressores-vítimas, apresentavam maiores escores na SCARED total e em suas subescalas do que agressores ou do que os estudantes sem envolvimento com bullying. A prevalência do bullying encontrada no nosso estudo está na média quando comparada com estudos prévios na literatura. Vítimas e agressores-vítimas, mas não agressores, são grupos associados com uma sintomatologia ansiosa mais alta. Embora no Brasil as taxas para as prevalências dos transtornos de ansiedade na infância e adolescência sejam substanciais, há uma carência de instrumentos para avaliar os sintomas de ansiedade e constructos relacionados à ansiedade em crianças e adolescentes. Adicionalmente, essa tese avaliou as propriedades psicométricas de duas escalas que são utilizadas na avaliação da ansiedade em crianças e adolescentes. A SCARED é um instrumento auto-aplicativo que foi originalmente desenvolvido como uma ferramenta de triagem para avaliar os transtornos de ansiedade na infância e adolescência de acordo com o DSM-IV. Os resultados encontrados em nosso estudo evidenciam que a SCARED apresenta propriedades psicométricas apropriadas e é um instrumento válido e confiável para avaliar sintomas de ansiedade em jovens no Brasil. O Childhood Anxiety Sensitivity Index (CASI) é o principal instrumento utilizado para avaliar sensibilidade à ansiedade em crianças e adolescentes. A sensibilidade à ansiedade é um constructo temperamental que pode ser conceitualizado como o medo de que sintomas de ansiedade possam ter graves consequências físicas, psicológicas ou sociais para o indivíduo. A sensibilidade à ansiedade está associada com outras medidas de ansiedade, principalmente àquelas que avaliam sintomas relacionados ao transtorno do pânico, e pode ser considerada um fator de risco para o desenvolvimento de sintomas de ansiedade e de transtornos de ansiedade em jovens. Nossos achados demonstraram uma confiabilidade apropriada e evidência de validade convergente entre a CASI e a SCARED em uma subamostra do nosso estudo, sugerindo que a CASI possa ser uma ferramenta útil na avaliação da sensibilidade à ansiedade nessa população. Tendo em vista os limitados recursos em relação à saúde mental e a pouca atenção clínica aos transtornos de ansiedade, acredita-se que tais instrumentos possam 11 se tornar ferramentas úteis na triagem de crianças e adolescentes com sintomas de ansiedade e que poderão necessitar de avaliações adicionais e de tratamento. / Anxiety disorders are one of the most common forms of psychopathology among children and adolescents and are associated with impairments in academic, social, and family functioning. Although very prevalent, the anxiety disorders are often undetected or untreated. School bullying is common and is associated with a broad spectrum of psychiatric problems, including anxiety symptomatology. The main objective of this study was to examine the prevalence of bullying behaviors in a large communitarian sample of Brazilian children and adolescents and to investigate the association between bullying behaviors and DSM-IV anxiety symptomatology. This cross-sectional study involved completion of a self-report questionnaire about bullying behaviors and their frequency and the Screen for Child Anxiety Related Emotional Disorders (SCARED) that is also a self-report screening tool for childhood anxiety disorders by 2353 students aged 9-18 years from 6 schools located in the catchment area of the Primary Care Unit from the Hospital de Clínicas de Porto Alegre. A total of 22.9% of the sample reported frequent involvement in bullying, as a bully (7.4%), as a victim (5.7%), or as a bully-victim (9.5%). In general, boys were more likely to be involved as bully and as bully-victim, and girls were more likely to be involved as victims. Our findings showed that students involved in bullying behaviors, as victims or bully-victims, were more likely to have higher total scores in SCARED scale, as well as in its subscales than bullies and than uninvolved students. The prevalence of bullying behaviors found in our sample is about average when compared with previous studies described in the literature. Victims and bully-victims, but no bullies, are groups associated with higher anxiety symptomatology. Although prevalence rates of anxiety disorders in Brazilian youth are significant, there is a lack of validated instruments to assess anxiety symptoms and related constructs in children and adolescents. In addition, this study verified the psychometrics properties of two scales that are frequently used in the assessment of anxiety in children and adolescents. The SCARED is a self-report instrument that was originally developed as a screening tool for DSM-IV childhood anxiety disorders. Our study suggested that the SCARED has appropriate psychometric properties and is a useful and reliable instrument to assess anxiety symptoms in Brazilian youth. The Childhood Anxiety Sensitivity Index (CASI) is the principal instrument used to assess anxiety sensitivity in children and adolescents. Anxiety Sensitivity refers to the tendency to fear anxiety-related sensations and is thought to arise from beliefs about their harmful physical, cognitive, or social consequences. Anxiety sensitivity is associated with other anxiety measurements, mainly those evaluating panic symptoms. It is also considered a risk factor for the development of anxious symptomatology and anxiety disorders in youth. Our findings demonstrated an appropriate reliability and evidence of convergent validity in the CASI with the SCARED in a subsample of our study, suggesting that the CASI could be a suitable tool for evaluating anxiety sensitivity in this population. Given the limited mental health resources and the paucity of clinical attention to childhood anxiety disorders in Brazil, these instruments may be a valuable tool for screening Brazilian children and adolescents with anxiety symptoms who may need further assessment and treatment.

Os transtornos de ansiedade representam uma das formas mais comuns de psicopatologia em crianças e adolescentes e estão associados com prejuízos no funcionamento acadêmico, social e familiar. Porém, permanecem frequentemente subdiagnosticados e subtratados. O bullying escolar é muito comum e está associado com um amplo espectro de problemas psiquiátricos, incluindo sintomas de ansiedade. O principal objetivo desta tese foi examinar a prevalência de bullying em uma grande amostra comunitária de crianças e adolescentes brasileiros e investigar a associação entre bullying e sintomatologia ansiosa de acordo com o DSM-IV. Esse estudo transversal consistiu no preenchimento de um questionário sobre bullying e de sua frequência e de um instrumento auto-aplicativo de triagem para transtornos de ansiedade que é a Screen for Child Anxiety Related Emotional Disorders (SCARED) por 2.353 estudantes entre 9 e 18 anos provenientes de seis escolas pertencentes à área de captação da Unidade Básica de Saúde do Hospital de Clínicas de Porto Alegre. Um total de 22,9% da amostra relatou envolvimento com bullying frequente, como agressor (7,6%), como vítima (5,7%) ou como agressor-vítima (9,6%). Em geral, meninos foram mais envolvidos como agressores e como agressores-vítimas e meninas como vítimas. Nossos achados demonstraram que estudantes envolvidos com bullying, como vítimas ou agressores-vítimas, apresentavam maiores escores na SCARED total e em suas subescalas do que agressores ou do que os estudantes sem envolvimento com bullying. A prevalência do bullying encontrada no nosso estudo está na média quando comparada com estudos prévios na literatura. Vítimas e agressores-vítimas, mas não agressores, são grupos associados com uma sintomatologia ansiosa mais alta. Embora no Brasil as taxas para as prevalências dos transtornos de ansiedade na infância e adolescência sejam substanciais, há uma carência de instrumentos para avaliar os sintomas de ansiedade e constructos relacionados à ansiedade em crianças e adolescentes. Adicionalmente, essa tese avaliou as propriedades psicométricas de duas escalas que são utilizadas na avaliação da ansiedade em crianças e adolescentes. A SCARED é um instrumento auto-aplicativo que foi originalmente desenvolvido como uma ferramenta de triagem para avaliar os transtornos de ansiedade na infância e adolescência de acordo com o DSM-IV. Os resultados encontrados em nosso estudo evidenciam que a SCARED apresenta propriedades psicométricas apropriadas e é um instrumento válido e confiável para avaliar sintomas de ansiedade em jovens no Brasil. O Childhood Anxiety Sensitivity Index (CASI) é o principal instrumento utilizado para avaliar sensibilidade à ansiedade em crianças e adolescentes. A sensibilidade à ansiedade é um constructo temperamental que pode ser conceitualizado como o medo de que sintomas de ansiedade possam ter graves consequências físicas, psicológicas ou sociais para o indivíduo. A sensibilidade à ansiedade está associada com outras medidas de ansiedade, principalmente àquelas que avaliam sintomas relacionados ao transtorno do pânico, e pode ser considerada um fator de risco para o desenvolvimento de sintomas de ansiedade e de transtornos de ansiedade em jovens. Nossos achados demonstraram uma confiabilidade apropriada e evidência de validade convergente entre a CASI e a SCARED em uma subamostra do nosso estudo, sugerindo que a CASI possa ser uma ferramenta útil na avaliação da sensibilidade à ansiedade nessa população. Tendo em vista os limitados recursos em relação à saúde mental e a pouca atenção clínica aos transtornos de ansiedade, acredita-se que tais instrumentos possam 11 se tornar ferramentas úteis na triagem de crianças e adolescentes com sintomas de ansiedade e que poderão necessitar de avaliações adicionais e de tratamento. / Anxiety disorders are one of the most common forms of psychopathology among children and adolescents and are associated with impairments in academic, social, and family functioning. Although very prevalent, the anxiety disorders are often undetected or untreated. School bullying is common and is associated with a broad spectrum of psychiatric problems, including anxiety symptomatology. The main objective of this study was to examine the prevalence of bullying behaviors in a large communitarian sample of Brazilian children and adolescents and to investigate the association between bullying behaviors and DSM-IV anxiety symptomatology. This cross-sectional study involved completion of a self-report questionnaire about bullying behaviors and their frequency and the Screen for Child Anxiety Related Emotional Disorders (SCARED) that is also a self-report screening tool for childhood anxiety disorders by 2353 students aged 9-18 years from 6 schools located in the catchment area of the Primary Care Unit from the Hospital de Clínicas de Porto Alegre. A total of 22.9% of the sample reported frequent involvement in bullying, as a bully (7.4%), as a victim (5.7%), or as a bully-victim (9.5%). In general, boys were more likely to be involved as bully and as bully-victim, and girls were more likely to be involved as victims. Our findings showed that students involved in bullying behaviors, as victims or bully-victims, were more likely to have higher total scores in SCARED scale, as well as in its subscales than bullies and than uninvolved students. The prevalence of bullying behaviors found in our sample is about average when compared with previous studies described in the literature. Victims and bully-victims, but no bullies, are groups associated with higher anxiety symptomatology. Although prevalence rates of anxiety disorders in Brazilian youth are significant, there is a lack of validated instruments to assess anxiety symptoms and related constructs in children and adolescents. In addition, this study verified the psychometrics properties of two scales that are frequently used in the assessment of anxiety in children and adolescents. The SCARED is a self-report instrument that was originally developed as a screening tool for DSM-IV childhood anxiety disorders. Our study suggested that the SCARED has appropriate psychometric properties and is a useful and reliable instrument to assess anxiety symptoms in Brazilian youth. The Childhood Anxiety Sensitivity Index (CASI) is the principal instrument used to assess anxiety sensitivity in children and adolescents. Anxiety Sensitivity refers to the tendency to fear anxiety-related sensations and is thought to arise from beliefs about their harmful physical, cognitive, or social consequences. Anxiety sensitivity is associated with other anxiety measurements, mainly those evaluating panic symptoms. It is also considered a risk factor for the development of anxious symptomatology and anxiety disorders in youth. Our findings demonstrated an appropriate reliability and evidence of convergent validity in the CASI with the SCARED in a subsample of our study, suggesting that the CASI could be a suitable tool for evaluating anxiety sensitivity in this population. Given the limited mental health resources and the paucity of clinical attention to childhood anxiety disorders in Brazil, these instruments may be a valuable tool for screening Brazilian children and adolescents with anxiety symptoms who may need further assessment and treatment.