ABSTRACT
This chapter looks at incidental references in the course of describing measurement theory with reference to wider issues, such as community mental health, industrial organization, and socio-political organization. It describes psychologists have consequently begun to give increasing attention, in clinical diagnostic research, to the dimensional scales derived from that 'structural-approach' by correlation. Among the more obvious fields of psychological application in which a reliably developed personality, ability, and motivation measurement could play its part are: a happier use of human resources in occupations; the selection of political leaders; and the evaluation of social trends. The chapter shows that there is a tendency for countries higher in neurosis also to be higher in anxiety. Until recently tests were used in diagnosis, but very little in therapy. The older type of test, merely categorizing a patient, in any case gave few leads towards therapy.
