The theory of TPI is an attempt to reconcile theoretical understanding of organizational socialization such as the process of integration.

TPI-theory refers that new employees need to develop theoretical (T) and practical (P) skills towards the performance

Performance

A performance, in performing arts, generally comprises an event in which a performer or group of performers behave in a particular way for another group of people, the audience. Choral music and ballet are examples. Usually the performers participate in rehearsals beforehand. Afterwards audience...

 of the new job,
but also satisfy needs of (I) interaction

Interaction

Interaction is a kind of action that occurs as two or more objects have an effect upon one another. The idea of a two-way effect is essential in the concept of interaction, as opposed to a one-way causal effect...

 that exist among the new employees .
These three conditions must be fulfilled to become integrated to the organization.
This theory is important to approach an understanding of integration and socialization

Socialization

Socialization is a term used by sociologists, social psychologists, anthropologists, political scientists and educationalists to refer to the process of inheriting and disseminating norms, customs and ideologies...

effects.