Let me first of all express my sincere appreciation of Mr. Stapel's paper. I consider it to be a most valuable contribution to the subject we are dealing with at this seminar - not at least because of the important empirical material which is presented. As we all know, however, It is an extremely difficult subject we are concerned with owing to the many ins and outs which are connected with the communication process. Consequently it is also much more easy to criticise than to give a fruitful contribution to our seminar. It is my hope, however, that when I have finished my contribution you will not have the impression that my remarks - though a little critical - have a destructive nature - at least this has never been my intention.