其他摘要：In 195~the Trent-Díaz-Guerrero questíonnaíre of sociocultural premia was applied in 18 high schools of Mexico City. These schools had been «Iected to represent both sections of the city as well as eharacteristia of tbe schoolpopulation. 472 students in the ninth grade equaUy divided by sex answered the questíonaíre. In 1970the same questionnaire wu applíed again to 467 subjects equallydivided by sex, in the ame grade and high schools of the Federal District, following the same procedures. A part of this research is reported in order to show and discuss the nature of changes in hístoríc-socio-cultural premises of womenin the areas of theír relatíonshíp to men, their role in the Mexican socíety, and their relatíonshíp with their parents. The principIes íntent to predict the differential effects that exposure to massive means of communication over a period of ten years, have upon female high schools students who attend mixed schools and have real social experience with males, in comparison with women in high schools for gírls alone. Also the differential effects· that such exposure have upon girls with "conservative" parents as differentiated from girls that come from more "liberal" households
