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Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it. Models of communication are simplified overviews of its main components and their interactions. Many models include the idea that a source uses a coding system to express information in the form of a message. The message is sent through a channel to a receiver who has to decode it to understand it. The main field of inquiry investigating communication is called communication studies.
Semiotics is the systematic study of sign processes and the communication of meaning. In semiotics, a sign is defined as anything that communicates intentional and unintentional meaning or feelings to the sign's interpreter.
Human communication, or anthroposemiotics, is a field of study dedicated to understanding how humans communicate. Humans' ability to communicate with one another would not be possible without an understanding of what we are referencing or thinking about. Because humans are unable to fully understand one another's perspective, there needs to be a creation of commonality through a shared mindset or viewpoint. The field of communication is very diverse, as there are multiple layers of what communication is and how we use its different features as human beings.
Intrapersonal communication is communication with oneself or self-to-self communication. Examples are thinking to oneself "I'll do better next time" after having made a mistake or imagining a conversation with one's boss in preparation for leaving work early. It is often understood as an exchange of messages in which the sender and the receiver is the same person. Some theorists use a wider definition that goes beyond message-based accounts and focuses on the role of meaning and making sense of things. Intrapersonal communication can happen alone or in social situations. It may be prompted internally or occur as a response to changes in the environment.
Communication theory is a proposed description of communication phenomena, the relationships among them, a storyline describing these relationships, and an argument for these three elements. Communication theory provides a way of talking about and analyzing key events, processes, and commitments that together form communication. Theory can be seen as a way to map the world and make it navigable; communication theory gives us tools to answer empirical, conceptual, or practical communication questions.
Computer-mediated communication (CMC) is defined as any human communication that occurs through the use of two or more electronic devices. While the term has traditionally referred to those communications that occur via computer-mediated formats, it has also been applied to other forms of text-based interaction such as text messaging. Research on CMC focuses largely on the social effects of different computer-supported communication technologies. Many recent studies involve Internet-based social networking supported by social software.
Communication studies or communication science is an academic discipline that deals with processes of human communication and behavior, patterns of communication in interpersonal relationships, social interactions and communication in different cultures. Communication is commonly defined as giving, receiving or exchanging ideas, information, signals or messages through appropriate media, enabling individuals or groups to persuade, to seek information, to give information or to express emotions effectively. Communication studies is a social science that uses various methods of empirical investigation and critical analysis to develop a body of knowledge that encompasses a range of topics, from face-to-face conversation at a level of individual agency and interaction to social and cultural communication systems at a macro level.
The uncertainty reduction theory, also known as initial interaction theory, developed in 1975 by Charles Berger and Richard Calabrese, is a communication theory from the post-positivist tradition. It is one of the few communication theories that specifically looks into the initial interaction between people prior to the actual communication process. Uncertainty reduction theory originators main goal when constructing it was to explain how communication is used to reduce uncertainty between strangers during a first interaction. Uncertainty reduction theory claims that everyone activates two processes in order to reduce uncertainty. The first being a proactive process, which focuses on what someone might do. The second being a retroactive process, which focuses on how people understand what another does or says. This theory's main claim is that people must receive information about another party in order to reduce their uncertainty and, that people want to do so. While uncertainty reduction theory claims that communication will lead to reduced uncertainty, it is important to note that this is not always the case. Dr. Dale E. Brashers of the University of Illinois argues that in some scenarios, more communication may lead to greater uncertainty.
Communication accommodation theory (CAT) is a theory of communication developed by Howard Giles. This theory concerns "(1) the behavioral changes that people make to attune their communication to their partner, (2) the extent to which people perceive their partner as appropriately attuning to them." The basis of the theory lies in the idea that people adjust their style of speech to one another. Doing this helps the message sender gain approval from the receiver, increases efficiency in communication between both parties, and helps the sender maintain a positive social identity. This theory is concerned with the links between language, context, and identity. It focuses on both the intergroup and interpersonal factors that lead to accommodation, as well as the ways that power, macro- and micro-context concerns affect communication behaviors; emphasizing the important duplexity of both factors in predicting and understanding intergroup interactions. Accommodation is usually considered to be between the message sender and the message receiver, but the communicator also often accommodates to a larger audience – either a group of people that are watching the interaction or society in general. Communication accommodation theory (CAT) predicts and explains why communicants make adjustments to increase, decrease, or maintain social distance.
Social information processing theory, also known as SIP, is a psychological and sociological theory originally developed by Salancik and Pfeffer in 1978. This theory explores how individuals make decisions and form attitudes in a social context, often focusing on the workplace. It suggests that people rely heavily on the social information available to them in their environments, including input from colleagues and peers, to shape their attitudes, behaviors, and perceptions.
The hyperpersonal model is a model of interpersonal communication that suggests computer-mediated communication (CMC) can become hyperpersonal because it "exceeds [face-to-face] interaction", thus affording message senders a host of communicative advantages over traditional face-to-face (FtF) interaction. The hyperpersonal model demonstrates how individuals communicate uniquely, while representing themselves to others, how others interpret them, and how the interactions create a reciprocal spiral of FtF communication. Compared to ordinary FtF situations, a hyperpersonal message sender has a greater ability to strategically develop and edit self-presentation, enabling a selective and optimized presentation of one's self to others.
Social presence theory explores how the "sense of being with another" is influenced by digital interfaces in human-computer interactions. Developed from the foundations of interpersonal communication and symbolic interactionism, social presence theory was first formally introduced by John Short, Ederyn Williams, and Bruce Christie in The Social Psychology of Telecommunications. Research on social presence theory has recently developed to examine the efficacy of telecommunications media, including SNS communications. The theory notes that computer-based communication is lower in social presence than face-to-face communication, but different computer-based communications can affect the levels of social presence between communicators and receivers.
Judee K. Burgoon is a professor of communication, family studies and human development at the University of Arizona, where she serves as director of research for the Center for the Management of Information and site director for the NSF-sponsored Center for Identification Technology Research. She is also involved with different aspects of interpersonal and nonverbal communication, deception, and new communication technologies. She is also director of human communication research for the Center for the Management of Information and site director for Center for Identification Technology Research at the university, and recently held an appointment as distinguished visiting professor with the department of communication at the University of Oklahoma, and the Center for Applied Social Research at the University of Oklahoma. Burgoon has authored or edited 13 books and monographs and has published nearly 300 articles, chapters and reviews related to nonverbal and verbal communication, deception, and computer-mediated communication. Her research has garnered over $13 million in extramural funding from the National Science Foundation, the Department of Defense, the Department of Homeland Security, the Office of the Director of National Intelligence, Counterintelligence Field Activity, and the National Institutes of Mental Health. Among the communication theories with which she is most notably linked are: interpersonal adaptation theory, expectancy violations theory, and interpersonal deception theory. A recent survey identified her as the most prolific female scholar in communication in the 20th century.
Interpersonal communication is an exchange of information between two or more people. It is also an area of research that seeks to understand how humans use verbal and nonverbal cues to accomplish several personal and relational goals. Communication includes utilizing communication skills within one's surroundings, including physical and psychological spaces. It is essential to see the visual/nonverbal and verbal cues regarding the physical spaces. In the psychological spaces, self-awareness and awareness of the emotions, cultures, and things that are not seen are also significant when communicating.
Models of communication are simplified representations of the process of communication. Most models try to describe both verbal and non-verbal communication and often understand it as an exchange of messages. Their function is to give a compact overview of the complex process of communication. This helps researchers formulate hypotheses, apply communication-related concepts to real-world cases, and test predictions. Despite their usefulness, many models are criticized based on the claim that they are too simple because they leave out essential aspects. The components and their interactions are usually presented in the form of a diagram. Some basic components and interactions reappear in many of the models. They include the idea that a sender encodes information in the form of a message and sends it to a receiver through a channel. The receiver needs to decode the message to understand the initial idea and provides some form of feedback. In both cases, noise may interfere and distort the message.
Joseph B. Walther is the Mark and Susan Bertelsen Presidential Chair in Technology and Society and the Director of the Center for Information Technology & Society at the University of California, Santa Barbara. His research focuses on social and interpersonal dynamics of computer-mediated communication, in groups, personal relationships, organizational and educational settings. He is noted for creating social information processing theory in 1992 and the hyperpersonal model in 1996.
Channel expansion theory (CET) states that individual experience serves as an important role in determining the level of richness perception and development towards certain media tools. It is a theory of communication media perception that incorporates experiential factors to explain and predict user perceptions of a given media channel. The theory suggests that the more knowledge and experience users gain from using a channel, the richer they perceive the medium to be. The more experience, the more stable the knowledge base the person builds, the more knowledge he gains from the given media channel, thus the richer communication he would have using that channel, and ultimately the richer he would perceive the channel. There are four experiential factors that shapes individual's perceived media richness: experience with the channel, experience with the message topic, experience with the organizational context, and experience with a communication partner.
The following outline is provided as an overview of and topical guide to semiotics:
Mediated communication or mediated interaction refers to communication carried out by the use of information communication technology and can be contrasted to face-to-face communication. While nowadays the technology we use is often related to computers, giving rise to the popular term computer-mediated communication, mediated technology need not be computerized as writing a letter using a pen and a piece of paper is also using mediated communication. Thus, Davis defines mediated communication as the use of any technical medium for transmission across time and space.
Means of communication are used by people to communicate and exchange information with each other as an information sender and an information recipient.
