The Characteristics of 13–14 Year Old Males Choosing Skilled Trades as Occupations

Dufty N. F. “Vocational Choices of 13–14 Year Old Males in Relation to Intelligence and Reasons for Job Choice”. The Australian Journal of Education 4, 1960, 38–56.

The usual formula for the critical ratio of the difference between two percentages to the standard error of these differences was used, correcting for skewness for large and small percentages. Cf. Kelly, T. L. Fundamentals of Statistics. Cambridge, Mass.: Harvard University Press. 1947, 593–594. Also Lawshe, C. H., and Baker, P. C. “Three Aids in the Evaluation of the Significance of the Difference Between Percentages”. Educational and Psychological Measurement. 10, 1950, 263–270.

Davis K. Moore W. E. “Some Principles of Stratification”. American Sociological Review, 10, 1945, 242–249.

Barber B. Social Stratification. New York: Harcourt, Brace, 1957. Kahl, A. The American Class Structure. New York: Rinehart, 1957. also Morris, R. T., and Murphy, R. S. “The Situs Dimension in Occupational Structure”. American Sociological Review, 24, 1959, 231–239.

A group of occupations distinguished by the nature of work rather than by vertical level in the hierarchy. See Hatt Paul K. “Occupations and Stratification”. American Journal of Sociology, 55, 1950, 533–543;