Steps in validating a survey instrument
The term “anxiety” takes on scientific meaning only by its empirical concomitants and consequences.
Identical behaviors may be the expression of fundamentally different mediating sequences or, conversely, different behaviors may be essentially equivalent in the functions they serve or the processes from which they eventuate.
With so many definitions of the field and with a plethora of vaguely redundant but not readily integrated concepts, it is difficult to know where to try to begin measuring the nebulous notion of personality and toward what ends.
[See Personality.]In order not to be immobilized by the endless conceptual possibilities, two tactics have been adopted.
Rather, they represent simply a set of dimensions or ideas in terms of which their expounder finds it convenient and congenial to conceptualize his view of “personality.” Selection of these concepts may be supported by observational, introspectional, clinical, test, or experimental data, of varying degrees of quality and persuasiveness, but often is not.
These concepts serve—or should serve—a heuristic purpose; they provide a way to begin and, subsequently, a way of indicating and integrating diverse phenomena that may fall under the rubric of this conceptual assertion.