Trait anxiety refers to the level of proneness of individuals to experience anxiety. High trait anxiety individuals perceive events as more threatening and are more likely to respond with increased state anxiety. In this book, the authors present topical research in the study of trait anxiety. Topics discussed include understanding maternal anxiety in health primiparous women; trait anxiety and dental anxiety; the cognitive theories of social anxiety; sociodemographic factors and anxiety of infertile women and state/trait anxiety, aviation and the frontal lobe.