Early Applied Psychology: The Early Days of the IAAP

This study presents an approach to the origins of applied psychology, with consideration of the social and cultural context surrounding the development of science in Europe from the end of the 19th century. The second part provides quantitative information on the contents of applied psychology in its early history by looking at the evolution of participation, countries, authors, and subjects at the International Congresses of Applied Psychology from 1921 to 1958. This is done by applying bibliometric analysis objective methodology on the indexes and proceedings volumes.