This book contains a selection of the proceedings of the Second Meeting of the European Association for Behaviour Therapy and Modification, and of the Fourth Annual Meeting of the Behavioural Engineering Association. The conference, held at Wexford, Ireland, was attended by 320 delegates from most European countries and North America. In the foreword to the proceedings of the previous European Conference Brengelmann and Tunner commented upon the extension of the basis of behaviour therapy. They pointed out that behaviour therapy had developed from the position in the early days, when...