Aging is the development trend and main characteristics of China's population. In the 7th National Census of 2021,the population over 60 years accounted for 18.7% of the total population. At the same time, China has built 718,000 SG base stations, becoming the largest SG mobile network in the world. Facing with the ever-changing Internet technology, it is the elderly groups who feel it is difficult to adapt. Most of them skip the PC era and enter the mobile Internet era directly, and lack of awareness of new Internet technologies. Therefore, to promote the use of network behavior of the elderly, make them to integrated into the network life better, and enjoy the convenience and benefit of the network is an important practical topic.
As the most important source of support for the elderly, there is no complete framework for what role the family plays in the factors affecting the elderly's network use. Meantime, some scholars put forward that different use personality has different effects on network demand and network use. Therefore, based on the self-determination theory, social emotional choice theory and personality traits theory, this paper constructs a hypothesis model to explore the influence and internal mechanism of perceived family support, psychological needs and optimistic personality on Internet use behavior of the elderly. In this paper, a questionnaire was designed in strict accordance with the standard procedure, and the elderly were investigated. A total of 201 valid questionnaires are collected. SPSS22.0 was used to carry out statistical analysis on the collected valid data.
The results showed that educational level of the elderly on the Internet use were significantly different. The perceived family emotional support can forecast the Internet use behavior of the elderly. The communication needs and self-realization needs of the elderly was significantly correlated with network use behavior, and the identification needs of the elderly were significantly correlated with the use of network applications. Optimistic personality moderates the relationship between perceived family support and psychological needs of the elderly. When the optimistic personality tendency is at an average or high level, with the increase of perceived family support, the psychological needs of the elderly are improved. When the optimistic personality tendency is at a low level, with the increase of perceived family support, the psychological needs of the elderly are negatively predicted. The elderly's psychological needs play a partial mediating role between the perceived family emotional support and network use behavior. The conclusion is that family emotional support and optimistic personality tendency are conducive to meet the psychological needs of the elderly, and significantly promote the behavior of Internet use.
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