Starting out from the fact that the frustrated predominate among the early adherents of all mass movements and that they usually join of their own accord, it is assumed: 1) that frustration of itself, without any proselytizing prompting from the outside, can generate most of the peculiar characteristics of the true believer; 2) that an effective technique of conversion consists basically in the inculcation and fixation of proclivities and responses indigenous to the frustrated mind.