What term describes any factor that interferes with the success of the communication process?

The term that describes any factor that interferes with the success of the communication process is "communication barrier." Communication barriers can arise from a variety of sources, such as environmental factors, personal biases, language differences, or even emotional states. Recognizing these barriers is crucial because they can prevent the intended message from being effectively conveyed or understood.

Other terms listed, like "language obstacle," focus specifically on issues related to language differences, which are just one type of communication barrier. "Message distortion" refers to alterations in the message itself, which are also a subset of communication barriers but do not encompass the broader range of interferences. "Feedback interference" pertains specifically to issues affecting the response or feedback in a conversation, which again represents a specific aspect of the overall communication process. Therefore, identifying the general term "communication barrier" encompasses all these specific instances and highlights the overall challenge in effective communication.