The objective of this research was to explore changes in occupational expectations of a sample of Texas youth within the framework of Ginzberg's formulation of "increasing realism of choice." Using standard multiple regression procedures, changes over time in level of occupational expectations were analyzed with respect to 4 sets of variables thought to reflect differential access to higher levels of occupational attainment. Variables included in the analysis were (1) race, family socio-economic index, (2) perception of occupational goal blockage, 3 measures of self-image, (3) changes in the perception of occupational goal blockage, and (4) changes in related status projections. Data were collected from a panel of 196 male, East Texas sophomores and, again, from the same individuals 2 years later when most were in their senior year of high school. An analysis of 4 multiple regression equations did not support Ginzberg's model of realistic development of occupational choice. An alternate mode of explanation is offered which includes 2 possibilities for further research. First, an argument for the adaptation or reformulation of present development models can be made. One hypothesis is that the period to begin realistic choice may occur in college, in vocational school, or even after entering the labor force. Second, occupational choice can be viewed from a dualistic perspective in which the occupational choices made by individuals operate in 2 widely differing ways depending largely upon the individual's occupational chances. (Author/HBC)