These five types of power are coercive, legitimate, reward, referent, and expert. Power can be manifested through one or more of these bases.Click to see full answer. Likewise, what are the six bases of power? Feldman writes that according to French and Raven (1959), and later Raven (1974), there are six bases of social power: Reward Power. Coercive Power. Referent Power. Legitimate Power. Expert Power. Informational Power. Secondly, which bases of power are most effective? Of the three bases of formal power and two bases of personal power research suggests that personal power sources are most effective. ? Both expert power and referent power are positively related to employees’ satisfaction with supervision, their organisational commitment and their performance. Subsequently, one may also ask, what are the 4 types of power? John French and Bertram Raven introduced the following forms of power: Coercive Power. Reward Power. Legitimate Power. Referent Power. Expert Power. What are the 5 sources of power?It outlines what the authors identify as the five types of social power: legitimate, reward, coercive, referent, and expert power.