Abstract
We can, If the subject matter of psychology is just like the subject matter of the physical sciences, Or if the application of a common methodology is in itself sufficient to render universal results. The basic assumptions of any era hardly seem like assumptions at the time but more like basic facts. In addition, The conceit of the modern age was to think that they, At last, Stood face to face with truth as it is. Today we see how many assumptions are involved in the project to build a scientific psychology. Like most assumptions from an earlier age, We now share few of them.