Arrange the following events in the standard sequential order of their occurrence in the "Panic Circle" model of panic attacks: I. Apprehension or worry II. Body sensations III. Perceived threat IV. Interpretation of sensations as catastrophic V. Trigger Stimulus

Arrange the following anxiety-related disorders in a logical sequence from the least situation-specific to the most situation-specific: (a) Panic disorder (b) Social anxiety disorder (c) Generalised anxiety disorder (d) Phobia

According to research on childhood anxiety (e.g., Tracey, Chorpita, Douban & Barlow, 1997), childhood Generalized Anxiety Disorder (GAD) is primarily differentiated from other specific forms of childhood anxiety disorders due to its strong association with significantly elevated levels of: