“…In developing their model on the basis of previous research Mulford et al (1972a: 64-65) is directly affected by the socialization processes which takes place in the organization or as preparation for partici pation therein (Etzioni, 1961: 138). In so doing Mulford et al (1972b) were one of the first researchers to include both socialization and communication in the same theoretical model. A third exogenous variable^ by which an organization ^Exogenous variables are independent only (Lyons, 1971: 151) and are taken as given for the model in that their values are assumed to be determined outside of the model (Blalock, 1968b: 163).…”