But recently empirical studies find that (1) voters party identity is decline, (2) personal communication environment is heterogeneous or neutral, and (3) issue/candidate factors have strong effects on voters decision making.
But recently empirical studies find that (1) voters party identity is decline, (2) personal communication environment is heterogeneous or neutral, and (3) issue/candidate factors have strong effects on voters decision making.
因为，绝大多数选民对选举议题或候选人了解有限，而倾向根据政党认同或执政表现等，较可信赖的信息来作投票决定，并且竞选期间不同阵营提供不同的消息，导致竞选行为对选民传播的效应相互抵销。