This chapter will focus on the psychological mechanisms that take part in deliberation and influence the process of deliberation. It will look at [[Conservatives and Liberals|tendencies]] of participants in deliberation. It will check the [[Motivation in Liberalism|motivation]] for participating in deliberation, in order to increase the participation rate and the quality of participation. It will investigate the cognitive process of [[Decision making|decision making]]. And will Check how we can [[Education|bring up a new generation of deliberative participants]].