Abstract
Exploration of the philosophical assumptions and presuppositions underlying the nature of science itself, as well as its continued progress, has been limited traditionally and primarily to the physical sciences. In recent years, work in the philosophy of the social sciences has been advancing. And now there is some significant new work being done on the logical and historical bases of the science of psychology. Indeed, as historians of psychology set about their task, they are beginning to find that that science really had strong idealistic roots in its early days. These roots are not only worth studying from the general standpoint of intellectual history, they are also valuable in coming to an appreciation of the recent revival of neoidealistic psychology.