旁觀者救助行為乃降低網路霸凌負面影響的重要因素，故提升旁觀者的救助行為，在網路霸凌的研究與實務層面都格外重要。過去研究顯示個體對特定事件持有的規範信念，會對其態度與行為產生影響。但在目前網路霸凌領域中，仍未有研究探討旁觀者所持有「阻止網路霸凌」的規範信念，對其救助行為產生的影響。因此本研究希望探討旁觀者所持有阻止網路霸凌的規範信念對其救助行為產生的效果與機制。本研究假設阻止網路霸凌的規範信念能透過危機知覺、狀態同理心與救助責任的中介，提升網路霸凌中的旁觀者救助行為。在研究一中使用調查法，參與者為台灣北部某大學195名學生。我們在測量參與者所持有阻止網路霸凌的規範信念之後，先讓其閱讀一則一名年輕女大學生遭受網路霸凌的案例，再測量參與者對女大生的危機知覺、狀態同理心、救助責任與救助行為，結果發現擁有越高程度阻止網路霸凌的規範信念的人，會經由危機知覺、狀態同理心與救助責任的中介，表現出越多的救助行為。研究二則使用實驗法，參與者為一般民眾共82名，分別被隨機分派到控制組（n = 41）和阻止網路霸凌的規範信念組（n = 41）。兩組閱讀的事件和接受的測量大致同研究一，但阻止網路霸凌的規範信念組在閱讀網路霸凌事件前會被告知「九成以上具有理性思考能力的成年人會傾向認同大眾不應該參與對當事人的網路攻擊，並且要主動協助與支持遭受網路攻擊當事人」。結果顯示，阻止網路霸凌的規範信念組的救助行為會高於控制組，且此效果主要透過危機知覺、狀態同理心與救助責任知覺的中介而產生。兩個研究的結果支持了本研究的假設，亦即旁觀者所持有阻止網路霸凌的規範信念會依序透過增加其危機知覺、狀態同理心與救助責任，而增加其表現的救助行為。

Bystander helping behavior is an important factor in reducing the negative effects of cyberbullying. Therefore, enhancing bystander helping behavior is important in both research and practice of cyberbullying. Past research has shown that individuals’ normative beliefs about specific events have an impact on their attitudes and behaviors. However, there is no research in the field of cyberbullying that examines the impact of bystanders’ normative beliefs about "stopping cyberbullying" (abbreviated as "NBSC") on their helping behaviors. Therefore, this study aims to investigate the effect and mechanism of bystanders’ NBSC on their helping behavior. This study hypothesized that NBSC would enhance bystander helping behavior in cyberbullying through the mediation of emergency perception, state empathy, and responsibility to help. In Study 1, the participants were 195 students from a university in northern Taiwan. After measuring participants’ NBSC, we asked them to read a case study of a young female university student who was subjected to cyberbullying and then measured participants’ emergency perception, state empathy, responsibility to help, and helping behaviors toward the female university student. It was found that the higher the level of NBSC, the more people showed helping behaviors. And this relationship was mediated by emergency perception, state empathy, and responsibility to help. In Study 2, 82 participants were randomly assigned to a control group (n = 41) and a NBSC group (n = 41). Both groups read the events and received the same measurements as Study 1, but the NBSC group was told before reading about this event that "more than 90% of adults with the ability to think rationally tend to agree that the public should not participate in cyberattacks against the person in question, and that they should actively help and support the person who has been attacked online". The results showed that helping behavior was higher in the NBSC group than in the control group, and this effect was mainly mediated by emergency perception, state empathy, and responsibility to help. The results of the two studies support the hypothesis that NBSC held by bystanders of cyberbullying leads to an increase in helping behaviors through increasing their emergency perception, state empathy, and responsibility to help, in that order.

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