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69-1024: Social network analysis Small-world networks Centrality Motifs Graph theory Scaling Robustness Systems biology Dynamic networks Evolutionary computation Genetic algorithms Genetic programming Artificial life Machine learning Evolutionary developmental biology Artificial intelligence Evolutionary robotics Reaction–diffusion systems Partial differential equations Dissipative structures Percolation Cellular automata Spatial ecology Self-replication Conversation theory Entropy Feedback Goal-oriented Homeostasis Information theory Operationalization Second-order cybernetics Self-reference System dynamics Systems science Systems thinking Sensemaking Variety Ordinary differential equations Phase space Attractors Population dynamics Chaos Multistability Bifurcation Rational choice theory Bounded rationality Cybernetics

138-481: A Latin corruption gubernator . Finally, Wiener motivates the choice by steering engines of a ship being "one of the earliest and best-developed forms of feedback mechanisms". The initial focus of cybernetics was on parallels between regulatory feedback processes in biological and technological systems. Two foundational articles were published in 1943: "Behavior, Purpose and Teleology" by Arturo Rosenblueth, Norbert Wiener, and Julian Bigelow  – based on

207-434: A given network. Homophily : The extent to which actors form ties with similar versus dissimilar others. Similarity can be defined by gender, race, age, occupation, educational achievement, status, values or any other salient characteristic. Homophily is also referred to as assortativity . Multiplexity: The number of content-forms contained in a tie. For example, two people who are friends and also work together would have

276-419: A group of people who are unlikely to change their opinions of the other people in the group. Unbalanced graphs represent a group of people who are very likely to change their opinions of the people in their group. For example, a group of 3 people (A, B, and C) where A and B have a positive relationship, B and C have a positive relationship, but C and A have a negative relationship is an unbalanced cycle. This group

345-627: A means of qualitatively assessing networks by varying the visual representation of their nodes and edges to reflect attributes of interest. Social network analysis has emerged as a key technique in modern sociology . It has also gained significant popularity in the following: anthropology , biology , demography , communication studies , economics , geography , history , information science , organizational studies , physics , political science , public health, social psychology , development studies , sociolinguistics , and computer science , education and distance education research, and

414-453: A more accurate picture of collaborative learning experiences. A number of research studies have combined other types of analysis with SNA in the study of CSCL. This can be referred to as a multi-method approach or data triangulation , which will lead to an increase of evaluation reliability in CSCL studies. Andr%C3%A9-Marie Amp%C3%A8re Too Many Requests If you report this error to

483-428: A multiplexity of 2. Multiplexity has been associated with relationship strength and can also comprise overlap of positive and negative network ties. Mutuality/Reciprocity: The extent to which two actors reciprocate each other's friendship or other interaction. Network Closure : A measure of the completeness of relational triads. An individual's assumption of network closure (i.e. that their friends are also friends)

552-420: A network relative to the total number possible. Distance: The minimum number of ties required to connect two particular actors, as popularized by Stanley Milgram 's small world experiment and the idea of 'six degrees of separation'. Structural holes: The absence of ties between two parts of a network. Finding and exploiting a structural hole can give an entrepreneur a competitive advantage. This concept

621-586: A network, and the relatively small role played by an instructor in an asynchronous learning network. Although many studies have demonstrated the value of social network analysis within the computer-supported collaborative learning field, researchers have suggested that SNA by itself is not enough for achieving a full understanding of CSCL. The complexity of the interaction processes and the myriad sources of data make it difficult for SNA to provide an in-depth analysis of CSCL. Researchers indicate that SNA needs to be complemented with other methods of analysis to form

690-403: A number of directions. Early cybernetic work on artificial neural networks has been returned to as a paradigm in machine learning and artificial intelligence. The entanglements of society with emerging technologies has led to exchanges with feminist technoscience and posthumanism. Re-examinations of cybernetics' history have seen science studies scholars emphasising cybernetics' unusual qualities as

759-472: A number of other fields, leading to it having both wide influence and diverse interpretations. Cybernetics has been defined in a variety of ways, reflecting "the richness of its conceptual base." One of the best known definitions is that of the American scientist Norbert Wiener , who characterised cybernetics as concerned with "control and communication in the animal and the machine." Another early definition

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828-464: A positive relationship (friendship, alliance, dating) and a negative edge between two nodes denotes a negative relationship (hatred, anger). Signed social network graphs can be used to predict the future evolution of the graph. In signed social networks , there is the concept of "balanced" and "unbalanced" cycles. A balanced cycle is defined as a cycle where the product of all the signs are positive. According to balance theory , balanced graphs represent

897-422: A science, such as its "performative ontology". Practical design disciplines have drawn on cybernetics for theoretical underpinning and transdisciplinary connections. Emerging topics include how cybernetics' engagements with social, human, and ecological contexts might come together with its earlier technological focus, whether as a critical discourse or a "new branch of engineering". The central theme in cybernetics

966-426: A ship (the ancient Greek κυβερνήτης ( kybernḗtēs ) means "helmsperson"). In steering a ship, the helmsperson adjusts their steering in continual response to the effect it is observed as having, forming a feedback loop through which a steady course can be maintained in a changing environment, responding to disturbances from cross winds and tide. Cybernetics' transdisciplinary character has meant that it intersects with

1035-412: A tool to understand behavior between individuals or organizations through their linkages on social media websites such as Twitter and Facebook . One of the most current methods of the application of SNA is to the study of computer-supported collaborative learning (CSCL). When applied to CSCL, SNA is used to help understand how learners collaborate in terms of amount, frequency, and length, as well as

1104-646: A variety of applications, notably to the national economy of Chile under the Allende government in Project Cybersyn . In design, cybernetics has been influential on interactive architecture , human-computer interaction, design research, and the development of systemic design and metadesign practices. Cybernetics is often understood within the context of systems science, systems theory , and systems thinking . Systems approaches influenced by cybernetics include critical systems thinking , which incorporates

1173-418: A wide range of applications and disciplines. Some common network analysis applications include data aggregation and mining , network propagation modeling, network modeling and sampling, user attribute and behavior analysis, community-maintained resource support, location-based interaction analysis, social sharing and filtering, recommender systems development, and link prediction and entity resolution. In

1242-503: Is feedback . Feedback is a process where the observed outcomes of actions are taken as inputs for further action in ways that support the pursuit, maintenance, or disruption of particular conditions, forming a circular causal relationship. In steering a ship, the helmsperson maintains a steady course in a changing environment by adjusting their steering in continual response to the effect it is observed as having. Other examples of circular causal feedback include: technological devices such as

1311-399: Is called transitivity. Transitivity is an outcome of the individual or situational trait of Need for Cognitive Closure . Propinquity : The tendency for actors to have more ties with geographically close others. Bridge : An individual whose weak ties fill a structural hole , providing the only link between two individuals or clusters. It also includes the shortest route when a longer one

1380-502: Is carried out considering the network of words co-occurring in a text. In these networks, nodes are words and links among them are weighted based on their frequency of co-occurrence (within a specific maximum range). Social network analysis has also been applied to understanding online behavior by individuals, organizations, and between websites. Hyperlink analysis can be used to analyze the connections between websites or webpages to examine how information flows as individuals navigate

1449-428: Is collected. Social Networking Potential (SNP) is a numeric coefficient , derived through algorithms to represent both the size of an individual's social network and their ability to influence that network. SNP coefficients were first defined and used by Bob Gerstley in 2002. A closely related term is Alpha User , defined as a person with a high SNP. SNP coefficients have two primary functions: By calculating

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1518-418: Is concerned with other forms of circular processes including: feedforward , recursion , and reflexivity . Other key concepts and theories in cybernetics include: Cybernetics' central concept of circular causality is of wide applicability, leading to diverse applications and relations with other fields. Many of the initial applications of cybernetics focused on engineering , biology , and exchanges between

1587-491: Is directly tied to every other individual, ' social circles ' if there is less stringency of direct contact, which is imprecise, or as structurally cohesive blocks if precision is wanted. Clustering coefficient : A measure of the likelihood that two associates of a node are associates. A higher clustering coefficient indicates a greater 'cliquishness'. Cohesion: The degree to which actors are connected directly to each other by cohesive bonds . Structural cohesion refers to

1656-537: Is now commonly available as a consumer tool (see the list of SNA software ). Social network analysis has its theoretical roots in the work of early sociologists such as Georg Simmel and Émile Durkheim , who wrote about the importance of studying patterns of relationships that connect social actors. Social scientists have used the concept of " social networks " since early in the 20th century to connote complex sets of relationships between members of social systems at all scales, from interpersonal to international. In

1725-503: Is that of the Macy cybernetics conferences , where cybernetics was understood as the study of "circular causal and feedback mechanisms in biological and social systems." Margaret Mead emphasised the role of cybernetics as "a form of cross-disciplinary thought which made it possible for members of many disciplines to communicate with each other easily in a language which all could understand." Other definitions include: "the art of governing or

1794-834: Is the process of investigating social structures through the use of networks and graph theory . It characterizes networked structures in terms of nodes (individual actors, people, or things within the network) and the ties , edges , or links (relationships or interactions) that connect them. Examples of social structures commonly visualized through social network analysis include social media networks , meme spread, information circulation, friendship and acquaintance networks , business networks, knowledge networks, difficult working relationships, collaboration graphs , kinship , disease transmission , and sexual relationships . These networks are often visualized through sociograms in which nodes are represented as points and ties are represented as lines. These visualizations provide

1863-442: Is the transdisciplinary study of circular processes such as feedback systems where outputs are also inputs. It is concerned with general principles that are relevant across multiple contexts, including in ecological, technological, biological , cognitive and social systems and also in practical activities such as designing, learning, and managing . The field is named after an example of circular causal feedback—that of steering

1932-495: Is unfeasible due to a high risk of message distortion or delivery failure. Centrality : Centrality refers to a group of metrics that aim to quantify the "importance" or "influence" (in a variety of senses) of a particular node (or group) within a network. Examples of common methods of measuring "centrality" include betweenness centrality , closeness centrality , eigenvector centrality , alpha centrality , and degree centrality . Density : The proportion of direct ties in

2001-515: Is very likely to morph into a balanced cycle, such as one where B only has a good relationship with A, and both A and B have a negative relationship with C. By using the concept of balanced and unbalanced cycles, the evolution of signed social network graphs can be predicted. Especially when using social network analysis as a tool for facilitating change, different approaches of participatory network mapping have proven useful. Here participants / interviewers provide network data by actually mapping out

2070-469: The September 11 attacks . Large textual corpora can be turned into networks and then analysed with the method of social network analysis. In these networks, the nodes are Social Actors, and the links are Actions. The extraction of these networks can be automated by using parsers. The resulting networks, which can contain thousands of nodes, are then analysed by using tools from network theory to identify

2139-527: The social machine , are often described in cybernetic terms. Academic journals with focuses in cybernetics include: Academic societies primarily concerned with cybernetics or aspects of it include: Social network analysis 1800s: Martineau · Tocqueville  ·  Marx ·  Spencer · Le Bon · Ward · Pareto ·  Tönnies · Veblen ·  Simmel · Durkheim ·  Addams ·  Mead · Weber ·  Du Bois ·  Mannheim · Elias Social network analysis ( SNA )

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2208-574: The thermostat , where the action of a heater responds to measured changes in temperature regulating the temperature of the room within a set range, and the centrifugal governor of a steam engine, which regulates the engine speed; biological examples such as the coordination of volitional movement through the nervous system and the homeostatic processes that regulate variables such as blood sugar; and processes of social interaction such as conversation. Negative feedback processes are those that maintain particular conditions by reducing (hence 'negative')

2277-511: The viable system model ; systemic design ; and system dynamics , which is based on the concept of causal feedback loops. Many fields trace their origins in whole or part to work carried out in cybernetics, or were partially absorbed into cybernetics when it was developed. These include artificial intelligence , bionics , cognitive science , control theory , complexity science , computer science , information theory and robotics . Some aspects of modern artificial intelligence , particularly

2346-585: The 1930s Jacob Moreno and Helen Jennings introduced basic analytical methods. In 1954, John Arundel Barnes started using the term systematically to denote patterns of ties, encompassing concepts traditionally used by the public and those used by social scientists: bounded groups (e.g., tribes, families) and social categories (e.g., gender, ethnicity). Starting in the 1970s, scholars such as Ronald Burt , Kathleen Carley , Mark Granovetter , David Krackhardt , Edward Laumann , Anatol Rapoport , Barry Wellman , Douglas R. White , and Harrison White expanded

2415-540: The 1950s, cybernetics was developed as a primarily technical discipline, such as in Qian Xuesen 's 1954 "Engineering Cybernetics". In the Soviet Union , Cybernetics was initially considered with suspicion but became accepted from the mid to late 1950s. By the 1960s and 1970s, however, cybernetics' transdisciplinarity fragmented, with technical focuses separating into separate fields. Artificial intelligence (AI)

2484-453: The 1960s onwards, with its focus inflecting away from technology toward social, ecological, and philosophical concerns. It was still grounded in biology, notably Maturana and Varela 's autopoiesis , and built on earlier work on self-organising systems and the presence of anthropologists Mead and Bateson in the Macy meetings. The Biological Computer Laboratory, founded in 1958 and active until

2553-522: The Animal and the Machine . In the book, Wiener states: After much consideration, we have come to the conclusion that all the existing terminology has too heavy a bias to one side or another to serve the future development of the field as well as it should; and as happens so often to scientists, we have been forced to coin at least one artificial neo-Greek expression to fill the gap. We have decided to call

2622-525: The R package SIENA (Simulation Investigation for Empirical Network Analyses), developed by Tom Snijders and colleagues. Longitudinal social network analysis became mainstream after the publication of a special issue of the Journal of Research on Adolescence in 2013, edited by René Veenstra and containing 15 empirical papers. Social network analysis is also used in intelligence, counter-intelligence and law enforcement activities. This technique allows

2691-715: The SNP of respondents and by targeting High SNP respondents, the strength and relevance of quantitative marketing research used to drive viral marketing strategies is enhanced. Variables used to calculate an individual's SNP include but are not limited to: participation in Social Networking activities, group memberships, leadership roles, recognition, publication/editing/contributing to non-electronic media, publication/editing/contributing to electronic media (websites, blogs), and frequency of past distribution of information within their network. The acronym "SNP" and some of

2760-520: The UK, similar focuses were explored by the Ratio Club , an informal dining club of young psychiatrists, psychologists, physiologists, mathematicians and engineers that met between 1949 and 1958. Wiener introduced the neologism cybernetics to denote the study of "teleological mechanisms" and popularized it through the book Cybernetics: Or Control and Communication in the Animal and the Machine . During

2829-476: The analysis is on the "connections" made among the participants – how they interact and communicate – as opposed to how each participant behaved on his or her own. There are several key terms associated with social network analysis research in computer-supported collaborative learning such as: density , centrality , indegree , outdegree , and sociogram . In-degree and out-degree variables are related to centrality. Researchers employ social network analysis in

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2898-405: The analysts to map covert organizations such as an espionage ring, an organized crime family or a street gang. The National Security Agency (NSA) uses its electronic surveillance programs to generate the data needed to perform this type of analysis on terrorist cells and other networks deemed relevant to national security. The NSA looks up to three nodes deep during this network analysis. After

2967-485: The context of social marketing intelligence was Communities Dominate Brands by Ahonen & Moore in 2005. In 2012, Nicola Greco ( UCL ) presents at TEDx the Social Networking Potential as a parallelism to the potential energy that users generate and companies should use, stating that "SNP is the new asset that every company should aim to have". Social network analysis is used extensively in

3036-475: The creative arts, design, and architecture, notably with the Cybernetic Serendipity exhibition (ICA, London, 1968), curated by Jasia Reichardt , and the unrealised Fun Palace project (London, unrealised, 1964 onwards), where Gordon Pask was consultant to architect Cedric Price and theatre director Joan Littlewood. From the 1990s onwards, there has been a renewed interest in cybernetics from

3105-553: The data is done through displaying nodes and ties in various layouts, and attributing colors, size and other advanced properties to nodes. Visual representations of networks may be a powerful method for conveying complex information, but care should be taken in interpreting node and graph properties from visual displays alone, as they may misrepresent structural properties better captured through quantitative analyses. Signed graphs can be used to illustrate good and bad relationships between humans. A positive edge between two nodes denotes

3174-485: The development of radical constructivism. Cybernetics' core theme of circular causality was developed beyond goal-oriented processes to concerns with reflexivity and recursion. This was especially so in the development of second-order cybernetics (or the cybernetics of cybernetics), developed and promoted by Heinz von Foerster, which focused on questions of observation, cognition, epistemology, and ethics. The 1960s onwards also saw cybernetics begin to develop exchanges with

3243-443: The difference from a desired state, such as where a thermostat turns on a heater when it is too cold and turns a heater off when it is too hot. Positive feedback processes increase (hence 'positive') the difference from a desired state. An example of positive feedback is when a microphone picks up the sound that it is producing through a speaker, which is then played through the speaker, and so on. In addition to feedback, cybernetics

3312-582: The emergence of new data available about online social networks as well as "digital traces" regarding face-to-face networks. Computational SNA has been extensively used in research on study-abroad second language acquisition. Even in the study of literature, network analysis has been applied by Anheier, Gerhards and Romo, Wouter De Nooy, and Burgert Senekal. Indeed, social network analysis has found applications in various academic disciplines as well as practical contexts such as countering money laundering and terrorism . Size: The number of network members in

3381-465: The entire field of control and communication theory, whether in the machine or in the animal, by the name Cybernetics , which we form from the Greek κυβερνήτης or steersman . Moreover, Wiener explains, the term was chosen to recognize James Clerk Maxwell 's 1868 publication on feedback mechanisms involving governors , noting that the term governor is also derived from κυβερνήτης ( kubernḗtēs ) via

3450-402: The first algorithms developed to quantify an individual's social networking potential were described in the white paper "Advertising Research is Changing" (Gerstley, 2003) See Viral Marketing . The first book to discuss the commercial use of Alpha Users among mobile telecoms audiences was 3G Marketing by Ahonen, Kasper and Melkko in 2004. The first book to discuss Alpha Users more generally in

3519-501: The initial mapping of the social network is complete, analysis is performed to determine the structure of the network and determine, for example, the leaders within the network. This allows military or law enforcement assets to launch capture-or-kill decapitation attacks on the high-value targets in leadership positions to disrupt the functioning of the network. The NSA has been performing social network analysis on call detail records (CDRs), also known as metadata , since shortly after

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3588-414: The key actors, the key communities or parties, and general properties such as robustness or structural stability of the overall network, or centrality of certain nodes. This automates the approach introduced by Quantitative Narrative Analysis, whereby subject-verb-object triplets are identified with pairs of actors linked by an action, or pairs formed by actor-object. In other approaches, textual analysis

3657-523: The metaphor of a steersman is used to signify the governance of people. The French word cybernétique was also used in 1834 by the physicist André-Marie Ampère to denote the sciences of government in his classification system of human knowledge. According to Norbert Wiener, the word cybernetics was coined by a research group involving himself and Arturo Rosenblueth in the summer of 1947. It has been attested in print since at least 1948 through Wiener's book Cybernetics: Or Control and Communication in

3726-514: The mid-1970s under the direction of Heinz von Foerster at the University of Illinois at Urbana–Champaign , was a major incubator of this trend in cybernetics research. Focuses of the second wave of cybernetics included management cybernetics, such as Stafford Beer's biologically inspired viable system model ; work in family therapy, drawing on Bateson; social systems, such as in the work of Niklas Luhmann ; epistemology and pedagogy, such as in

3795-406: The minimum number of members who, if removed from a group, would disconnect the group. Visual representation of social networks is important to understand the network data and convey the result of the analysis. Numerous methods of visualization for data produced by social network analysis have been presented. Many of the analytic software have modules for network visualization. Exploration of

3864-406: The network (with pen and paper or digitally) during the data collection session. An example of a pen-and-paper network mapping approach, which also includes the collection of some actor attributes (perceived influence and goals of actors) is the * Net-map toolbox . One benefit of this approach is that it allows researchers to collect qualitative data and ask clarifying questions while the network data

3933-471: The private sector, businesses use social network analysis to support activities such as customer interaction and analysis, information system development analysis, marketing, and business intelligence needs (see social media analytics ). Some public sector uses include development of leader engagement strategies, analysis of individual and group engagement and media use , and community-based problem solving . Large numbers of researchers worldwide examine

4002-426: The quality, topic, and strategies of communication. Additionally, SNA can focus on specific aspects of the network connection, or the entire network as a whole. It uses graphical representations, written representations, and data representations to help examine the connections within a CSCL network. When applying SNA to a CSCL environment the interactions of the participants are treated as a social network. The focus of

4071-808: The research on living organisms that Rosenblueth did in Mexico ;– and the paper "A Logical Calculus of the Ideas Immanent in Nervous Activity" by Warren McCulloch and Walter Pitts . The foundations of cybernetics were then developed through a series of transdisciplinary conferences funded by the Josiah Macy, Jr. Foundation, between 1946 and 1953. The conferences were chaired by McCulloch and had participants included Ross Ashby , Gregory Bateson , Heinz von Foerster , Margaret Mead , John von Neumann , and Norbert Wiener . In

4140-603: The science of government" ( André-Marie Ampère ); "the art of steersmanship" ( Ross Ashby ); "the study of systems of any nature which are capable of receiving, storing, and processing information so as to use it for control" ( Andrey Kolmogorov ); and "a branch of mathematics dealing with problems of control, recursiveness, and information, focuses on forms and the patterns that connect" ( Gregory Bateson ). The Ancient Greek term κυβερνητικός (kubernētikos, '(good at) steering') appears in Plato 's Republic and Alcibiades , where

4209-399: The social networks of children and adolescents. In questionnaires, they list all classmates, students in the same grade, or schoolmates, asking: "who are your best friends?". Students may sometimes nominate as many peers as they wish; other times, the number of nominations is limited. Social network researchers have investigated similarities in friendship networks. The similarity between friends

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4278-474: The strategies used to communicate within the group. Some authors also suggest that SNA provides a method of easily analyzing changes in participatory patterns of members over time. A number of research studies have applied SNA to CSCL across a variety of contexts. The findings include the correlation between a network's density and the teacher's presence, a greater regard for the recommendations of "central" participants, infrequency of cross-gender interaction in

4347-417: The study of computer-supported collaborative learning in part due to the unique capabilities it offers. This particular method allows the study of interaction patterns within a networked learning community and can help illustrate the extent of the participants' interactions with the other members of the group. The graphics created using SNA tools provide visualizations of the connections among participants and

4416-583: The two, such as medical cybernetics and robotics and topics such as neural networks , heterarchy . In the social and behavioral sciences, cybernetics has included and influenced work in anthropology , sociology , economics , family therapy , cognitive science, and psychology . As cybernetics has developed, it broadened in scope to include work in management, design, pedagogy, and the creative arts, while also developing exchanges with constructivist philosophies, counter-cultural movements, and media studies. The development of management cybernetics has led to

4485-478: The use of systematic social network analysis. Beginning in the late 1990s, social network analysis experienced a further resurgence with work by sociologists, political scientists, economists, computer scientists, and physicists such as Duncan J. Watts , Albert-László Barabási , Peter Bearman , Nicholas A. Christakis , James H. Fowler , Mark Newman , Matthew Jackson , Jon Kleinberg , and others, developing and applying new models and methods, prompted in part by

4554-550: The web. The connections between organizations has been analyzed via hyperlink analysis to examine which organizations within an issue community. Another concept that has emerged from this connection between social network theory and the Internet is the concept of netocracy , where several authors have emerged studying the correlation between the extended use of online social networks, and changes in social power dynamics. Social network analysis has been applied to social media as

4623-419: Was developed by sociologist Ronald Burt , and is sometimes referred to as an alternate conception of social capital. Tie Strength: Defined by the linear combination of time, emotional intensity, intimacy and reciprocity (i.e. mutuality). Strong ties are associated with homophily, propinquity and transitivity, while weak ties are associated with bridges. Groups are identified as ' cliques ' if every individual

4692-691: Was established as far back as classical antiquity. Resemblance is an important basis for the survival of friendships. Similarity in characteristics, attitudes, or behaviors means that friends understand each other more quickly, have common interests to talk about, know better where they stand with each other, and have more trust in each other. As a result, such relationships are more stable and valuable. Moreover, looking more alike makes young people more confident and strengthens them in developing their identity. Similarity in behavior can result from two processes: selection and influence. These two processes can be distinguished using longitudinal social network analysis in

4761-520: Was founded as a distinct discipline at the Dartmouth workshop in 1956, differentiating itself from the broader cybernetics field. After some uneasy coexistence, AI gained funding and prominence. Consequently, cybernetic sciences such as the study of artificial neural networks were downplayed. Similarly, computer science became defined as a distinct academic discipline in the 1950s and early 1960s. The second wave of cybernetics came to prominence from

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