Theorists are increasingly arguing that it is fruitful to approach anxiety from the cognitive perspective, and the empirical evidence supports that contention. The cognitive perspective is also adopted in this book, but the approach represents a development and extension of earlier ones. For example, most previous theories and research have been based on anxiety either in clinical or in normal groups. In contrast, one of the central themes of this book is that there are great advantages to be gained from a joint consideration of clinical and normal anxiety.
Another theme of this book is...