There is substantial evidence, over a wide attitudinal and experimental range, that perceptions, opinions and values are systematically ordered in modern societies....Modern society...is more or less unique in the extent to which it produces standardized contexts of experience.
Source, in full
"Making Men Modern: On the Causes and Consequences of Individual Change in Six Developing Countries", American Journal of Sociology, vol. 75, no. 2 (September 1969) p. 2. Reported in O. W. Markley and Willis W. Harman (eds.) Changing Images of Man (Pergamon Press, 1982) ch. 3, p. 57