Two important issues must be made clear in the context of the development of psychology in Mexico. Psychology in general and applied psychology in particular are relatively new and fast‐growing fields of study in this country. In 1940, there were only six students registered in the Department of Psychology at the National University of Mexico (the largest institution both for teaching and research in this country), and the first research papers in what at the time could be considered applied psychology appeared in the 1950s (e.g. Días‐Guerrero, 1952, on the mental and social health of Mexicans living in the cities; and Gómez‐Robleda, 1959, on industrial psychology).