CATINUA, CATEMENSIONS, CATESCALES.

The article presents a rational analysis of certain concepts and their associated phenomena of clinical and applied psychology. Catinuum is unuiterrupted extent such that adjacent parts which are barely difierentiable in space or in a spatial model exhibit the same class character but when parts are sufficiently non-adjacent they exhibit different class characters. The catemenison is a dimension which is indicated only by a set of ordered categorical phenomena. It informs that it seems that the catscale technique is applicable wherever rating scales or tests are applicable.