Consent in the definition of adult education is only apparent and circumscribed. Substantial differences survive, fueled by various national ideologies, cultures and policies. The plurality of angles determines a multiplicity of research approaches. Transformative research is the typical model of adult education research and is analysed in its core components. Its peculiarity is the property of ensuring immediate production not only of knowledge, but of change processes. This property has favoured proliferation especially outside the academic community of education sciences. The process was guided by the users of the research, i.e. by those who have roles and resources that enable them to orientate the research in response to personal and organisational needs. This phenomenon necessarily produces a process of social construction of the meaning and the methodological content of the research. This expansion urges the development of a transformative research that also attributes to the education proletariat the role of inspiration and guidance in adult education.