Inter-internal INTERSUBJECTIVITY, between parts, subjectus, meaning controlled , put down -tivo , suffix indicating a relationship, which can be active or passive, and the suffix -dad quality of . It is a concept, then, that indicates the quality of a control relationship or communication between parties or subjects. In practice it defines the life experience by transmitting knowledge between people. In psychology is understood by subjectivity to the communication of affective or intellectual experience between two or more people. In sociology it takes a more social character because it is defined as the quality of the things that happen or communicate in a communication between people. This theory and conception was first embodied by the German philosopher Edmund Husserl (monadological theory, 1954) and then by the Jewish philosopher Max Weber (Verstehen or Understanding, 1978).