Researchers recently have focused on integrating motivation and commitment models and presenting common models. This research, for the first time, presents an integrated model of motivation (Self-Determination Theory) and commitment (Three Component Model of Meyer and Allen), from a person-centered view. This study was carried out using two-step cluster analysis method including hierarchical method and optimization of the profiles distance on 306 knowledge workers of four Iranian organizations. The results reveal four profiles, named, based on their characteristics, "people with diverse and mild motives", "motivated individuals with mild intrinsic motives", "motivated people with mild...