二元性互构:选择性接触影响下的青年网络政治意见表达

Duality:The Influence of Selective Exposure on the Differences of Political Opinion Expression among Young Netizens

新媒体语境下,媒介平台的选择性接触更加普遍,它与用户媒介实践相互型构,进而塑造了网络政治意见表达的整体图景。基于全国调查数据发现,对媒介平台的接触在绝对数字上正向调节了信息关注对青年网络政治意见表达的影响关系,但是不同媒介平台接触之间的调节作用有很大差异。定制化媒介平台接触的调节作用较大,而官方媒体接触的调节作用较小。虽然社交媒体中的政治意见表达程度远高于定制化平台和官方媒体,但由于定制化平台接触对信息关注影响内在效能感、信息关注影响整体意见表达的调节作用较大,最终它与社交媒体意见表达程度的差距缩小;相反,由于官方媒体接触对信息关注影响外在效能感、信息关注影响意见表达的调节作用较小,最终它与定制化平台意见表达的差距拉大。

In the context of emerging media,the selective exposure of media platforms is more common,which interacts with the media practice among users.As a result,the overall scenairo of political opinions expression online is shaped.Based on the latest survey,it is found that the selective exposure of media platforms positively moderates the influence of information attention on the expression of political opinions online absolutely,but the moderating effects of media platforms are different from each other.On the whole,there is a largest moderating effect in the exposure of customized media platform,while a smallest moderating effect in the exposure of official media.Furthermore,the degree of opinions expression on social media is much higher than that of customized media platforms and official media.However,with the influence of customized media platforms on the internal efficiency of information attention and the influence of information attention on the opinions expression,the opinion expression gap between them is narrowed.On the contrary,as the official media has less moderating effect on the influence of information attention on the external efficacy and the influence of information attention on the opinions expression,the opinion expression gap between them is widened.