... Anxiety sensitivity refers to beliefs that anxiety-related sensations (such as heartbeat awareness, increased heart rate, trembling, shortness of breath) have severe negative social, psychological, and/or physical consequences (Reiss, 1991;Taylor, 1999). Research indicates that anxiety sensitivity prospectively predicts the development of panic attacks (Maller & Reiss, 1992) and that anxiety sensitivity predicts panic beyond that predicted by trait anxiety in adult samples (e.g., Schmidt, Lerew, & Jackson, 1997, 1999. Research on anxiety sensitivity in childhood (e.g., Silverman, Fleisig, Rabian, & Peterson, 1991;Weems, Hammond-Laurence, Silverman, & Ginsburg, 1998) and its relation to panic in youth is also emerging (e.g., Kearney, Albano, Eisen, Allan, & Barlow, 1997;Lau, Calamari, Waraczynski, 1996). ...