中文摘要：

研究目的是通过考察B2C（Business to Consumer）电子商务中消费者知觉到的风险来源来验证电子商务交易中的虚实界面假设。通过访谈法和问卷法调查了337名被试，探讨了B2C电子商务中消费者认知到的风险来源结构，以及这些风险来源对消费者认知风险的影响。结果表明：消费者在B2C电子商务中的认知风险一部分来源于虚实界面。

英文摘要：

With the development of E-Commerce, it is an urgent issue for consumer researcher to know consumers＇feeling about online shopping and to find barriers of their online shopping. A number of studies have shown that perceived risks tend to stop consumer from online shopping. It is crucial to fully examine consumers＇perceived risks in online shopping in order to understand consumer online behavior and to promote them to adopt online purchasing. The main aim of this research is to test the hypothesis of the cyber-reality interface in online shopping by examining the risk sources consumer perceived in B2C E-Commerce. Using a combined methodology of qualitative and quantitative research, this study explores the risk sources in B2C （Business to Consumer） Electronic Commerce from consumers＂ perspective. The article begins with a brief introduction and literature review of risk reception. In this study, a total of 337 subjects were surveyed by interviews and questionnaires to explore the risk sources consumer perceived in B2C E-Commerce, the dimensions of the consumers＇perceived risks, and the influence of these risk sources on risk perception. The main findings of this study： Eight main factors were extracted by explored factor analysis （EFA）, and they can explain 61% of the total variance. Confirmatory factor analysis （CFA） was then used to confirm the model. The results were as follows： X2/dfwere 1.38, the RMSEA was 0.05, and the GFI, NNFI and CFI were all above 0.8. The Cronbach ot coefficient of the questionnaire for overall perceived risk was 0.83. Risk sources of real guarantee, buyer-seller interaction, online transaction, information searching, autonomy, and product-related were significant influence on the overall perceived risk. Results suggest that： 1. Consumers perceived a number of risk sources in B2C E-Commerce. Among them, lack of real feeling, necessary information, advertisement bias lie in the stage of information searching; personal information, procedure redundancy, paym