We conducted a class focused on experience-based network communication morals. Students discussed issues with regard to their actual experiences in a school LAN chat session during first part of the class. After the discussion, students took part in another LAN session. The control group did not take part in an initial chat, but instead simply read the logs of the chat-experience group. In their discussion, the control group raised less positive points than the chat-experience group, but they found more issues about network communication. However, the group who took part in the initial chat...