Key points are not available for this paper at this time.
Scattered through the professional journals in fields commonly included in the social sciences—sociology, anthropology, social psychology, personality, public opinion—there is found an increasing concern with the reliability and validity of information secured for social science analysis. Much of this interest stems from or was stimulated by the now classical Social Science Research Council Bulletins on the use of personal documents, or by work being done simultaneously in England.
Vidich et al. (Mon,) studied this question.