2. Public Relations Theories and Communication ModelsIntroduction: Why Theory Matters in Public RelationsPublic relations is often described as the management of communication between an organisation and its publics. This description is useful but incomplete. Public relations also concerns relationships, legitimacy, influence, reputation, participation, conflict, and the social conditions under which organisations operate. Practitioners do not communicate in a vacuum. They work within organisational systems, respond to changing public expectations, interpret media environments, negotiate competing interests, and make decisions that may affect trust and public welfare. Theories and communication models provide conceptual tools for understanding these activities. A model simplifies a complex process so that it can be examined; a theory offers a more developed explanation of how and why communication, organisations, publics, and relationships operate. Theory does not replace professional judgement. Rather, it helps practitioners ask better questions, identify assumptions, select appropriate strategies, and evaluate consequences. For postgraduate students, the study of public relations theory has two purposes. First, it supports critical analysis of professional practice. Second, it enables strategic application. A communication campaign may be creative and highly visible yet ineffective if it misunderstands the organisation’s environment, treats an active public as a passive audience, or measures publicity instead of relationship outcomes. The theories in this chapter address these problems from complementary perspectives. The chapter examines systems theory, excellence theory, two-way symmetrical communication, situational theory of publics, agenda-setting, framing, diffusion, social influence, and relationship-management theory. These perspectives should not be treated as mutually exclusive. A single public relations programme may involve all of them: an organisation operates within an interdependent environment; identifies publics according to their situation; frames an issue; uses media and interpersonal channels; influences and is influenced by others; and evaluates the quality of its relationships. Learning ObjectivesBy the end of this chapter, students should be able to: 1. Explain the assumptions and practical relevance of major public relations theories. 2. Distinguish between models of information transmission and models of mutual communication. 3. Apply systems theory and excellence theory to organisational decision-making. 4. Use the situational theory of publics to classify and prioritise publics. 5. Analyse how agenda-setting, framing, diffusion, and social influence shape public interpretation and behaviour. 6. Evaluate public relations through relationship outcomes rather than publicity alone. 7. Integrate theories into campaign planning, issue management, crisis communication, and evaluation. 8. Identify ethical risks, limitations, and inappropriate uses of communication theory. Public Relations as a Strategic and Relational DisciplineEarly approaches to public relations often emphasised publicity, persuasion, and the distribution of favourable information. Contemporary practice recognises that organisations depend on multiple stakeholders and publics whose support cannot be secured solely through messages. Employees, regulators, customers, investors, communities, journalists, activists, and digital creators may influence organisational legitimacy. They may also possess information, authority, networks, or moral claims that affect organisational decisions. A useful distinction is between an audience and a public. An audience may simply receive or encounter a message. A public is a group connected by a common issue or consequence and capable of communication or collective action. Public relations therefore involves more than asking whether a message reached people. It asks whether relevant groups understood the issue, whether the organisation listened, whether expectations changed, whether decisions were adjusted, and whether the resulting relationship became more or less legitimate. Communication models help explain the movement of information. The linear model presents communication as a sequence involving a sender, message, channel, receiver, and possible noise. This model is valuable for identifying communication barriers, but it tends to imply that meaning travels in one direction. Interactive models add feedback, while transactional models view communication as a simultaneous process in which participants continuously interpret and influence one another. In public relations, these models have strategic implications. A press release may be appropriate when an organisation must make a clear factual announcement. It is inadequate, however, when affected communities need to participate in a decision. A social media post may generate visibility but fail to create understanding or trust. Communication effectiveness depends on the purpose, power relationship, issue context, and consequences of the interaction. Systems Theory: Organisations in an Interdependent EnvironmentSystems theory views an organisation as an open system that exchanges resources, information, energy, and influence with its environment. The organisation contains interdependent parts, such as management, operations, finance, human resources, marketing, legal functions, and public relations. A change in one part can create consequences elsewhere. The organisation also interacts with external systems, including markets, communities, governments, media, professional associations, and cultural institutions. Several concepts are central to systems thinking. Inputs include information, expectations, demands, resources, and signals from the environment. Throughputs are the internal processes by which the organisation interprets and responds to those inputs. Outputs include decisions, products, services, policies, messages, and behaviours. Feedback indicates how the environment responds to those outputs. Equifinality refers to the possibility that different routes may lead to a similar outcome, while negative entropy describes the need for organisations to obtain resources and information to maintain themselves over time. Public relations performs a boundary-spanning function in this system. Practitioners monitor the environment, interpret external expectations for management, explain organisational decisions to publics, and sometimes recommend changes in policy or conduct. This role is more substantial than producing communication materials. It involves environmental scanning, issue analysis, stakeholder mapping, risk interpretation, and internal consultation. Systems theory changes the meaning of a communication problem. Suppose a university receives criticism because students experience delays in mental-health support. A publicity-centred response may announce a new awareness campaign. A systems approach asks whether staffing, referral procedures, funding, privacy rules, digital booking systems, and student expectations are aligned. Communication remains necessary, but the underlying problem may be structural. If the organisation communicates improvement without changing the system, its credibility may decline. The theory also highlights interdependence. A company’s environmental statement may affect employee morale, investor confidence, regulatory scrutiny, community relations, and supply-chain expectations. Public relations decisions should therefore be assessed for second-order effects rather than immediate media impact. Systems theory has limitations. It can make organisations appear more orderly and rational than they are. Power, ideology, emotion, and inequality may be underemphasised when attention is concentrated on adaptation and equilibrium. Organisations do not always adapt fairly, and maintaining system stability is not automatically socially desirable. Practitioners must therefore combine systems analysis with ethical evaluation. Excellence Theory and the Strategic Role of Public RelationsExcellence theory, associated particularly with the work of James E. Grunig and colleagues, examines the conditions under which public relations contributes to organisational effectiveness and social responsibility. It argues that public relations is most valuable when it is treated as a strategic management function rather than a technical communication service. An excellent public relations function is typically characterised by senior-level access, research-based planning, ethical practice, professional competence, involvement in organisational decision-making, and attention to relationships with strategic publics. The theory also distinguishes between four broad models of public relations: press agentry or publicity, public information, two-way asymmetrical communication, and two-way symmetrical communication. The first two models are primarily one-way. Press agentry seeks attention and favourable publicity, sometimes with limited concern for complete accuracy. Public information provides information from the organisation to publics, with greater emphasis on accuracy but limited dialogue. Two-way asymmetrical communication uses research and feedback to persuade publics in ways that primarily benefit the organisation. Two-way symmetrical communication uses research and dialogue to facilitate mutual understanding and adjustment. Excellence theory does not imply that every communication should be symmetrical or that persuasion is always unethical. Organisations must sometimes advocate, compete, correct misinformation, or defend legitimate interests. The critical issue is whether the organisation is willing to listen, consider public concerns, and modify its position when evidence or ethical obligations require it. The managerial implication is significant. If public relations is excluded from strategic decisions, practitioners may be asked to communicate policies that are impractical, harmful, or inconsistent with stakeholder expectations. If practitioners participate early, they can identify risks before public communication begins. In this sense, excellent public relations may prevent communication crises by influencing organisational conduct. Two-Way Symmetrical Communication: Dialogue, Negotiation, and Mutual AdjustmentTwo-way symmetrical communication describes communication as a process of dialogue in which an organisation and its publics seek mutual understanding and are both open to influence. It does not mean that all parties possess equal power or that every disagreement ends in consensus. Rather, it establishes a normative standard: communication should not be reduced to manipulation, and organisations should be prepared to adjust where legitimate concerns are demonstrated. The model involves several practices. Organisations must provide relevant information, create opportunities for response, listen systematically, interpret feedback accurately, and demonstrate how input affected decisions. Dialogue requires more than a comment function on a website. It requires responsiveness, respect, transparency about constraints, and willingness to explain decisions that cannot accommodate every demand. Consider a manufacturer planning a facility near a residential area. A one-way approach might distribute an information brochure describing economic benefits. A two-way symmetrical approach would involve early consultation, disclosure of environmental evidence, independent review where appropriate, opportunities for residents to raise concerns, and possible modification of operating conditions. The final decision might still permit construction, but the process would be more informed and potentially more legitimate. The model is especially useful in community relations, employee communication, public consultations, stakeholder engagement, conflict resolution, and issue management. Its application online requires caution. Digital platforms create opportunities for listening and participation, but they can also produce performative dialogue in which organisations collect comments without changing decisions. Practitioners should distinguish between consultation, collaboration, negotiation, and symbolic engagement. Critics argue that symmetrical communication may be difficult when interests are unequal or when publics make incompatible demands. They also note that organisations may use the language of dialogue while retaining unilateral control. These criticisms are important. Symmetry should therefore be assessed through actual influence, disclosure, fairness, and outcomes—not merely through the presence of interactive channels. Situational Theory of Publics: From General Audiences to Active GroupsThe situational theory of publics explains why people respond differently to the same issue. It identifies publics according to their perceptions of a situation rather than assuming that all stakeholders are equally attentive or active. The original framework uses three central variables: problem recognition, constraint recognition, and level of involvement. Problem recognition refers to whether people perceive that something needs attention. Constraint recognition refers to the extent to which they believe barriers prevent them from acting. Involvement indicates how personally or socially connected they feel to the issue. These variables help explain whether a group is likely to remain inactive, process information, or communicate actively. A public that recognises a problem, feels personally involved, and perceives few constraints is likely to become active. A public may recognise a problem but feel unable to influence it, producing an aware but passive response. Another group may be involved in an issue but not yet recognise it as a problem. These distinctions are strategically important because communication objectives differ. A low-involvement group may require problem definition and relevance; an active public may require access to evidence, dialogue, and a credible response. The theory is often associated with four public types: nonpublics, latent publics, aware publics, and active publics. A nonpublic is not affected by an issue and does not communicate about it. A latent public is affected but does not recognise the connection. An aware public recognises the issue but may not act. An active public both recognises the issue and communicates or organises around it. The framework should not be used as a rigid demographic classification. Publics can change rapidly as events, media coverage, leadership, or personal experience alter perceptions. Digital networks can also connect geographically dispersed individuals who share an issue. Practitioners should therefore conduct continuing research rather than assign permanent labels. A useful application is campaign prioritisation. An organisation might identify employees as an active public during a restructuring, customers as an aware public concerned about pricing, and regulators as a high-involvement institutional public. Each group requires different information, channels, and forms of engagement. Treating them all as one audience would waste resources and potentially intensify conflict. Agenda-Setting: Visibility and Perceived ImportanceAgenda-setting theory proposes that media and communication institutions influence which issues people think about and, indirectly, the importance they attach to those issues. The theory does not claim that media dictate exactly what people think. It suggests that repeated, prominent, and accessible coverage can increase the salience of an issue. Public relations practitioners work within several agendas. The media agenda concerns issues receiving journalistic attention. The public agenda concerns issues people discuss and consider important. The policy agenda concerns issues receiving attention from decision-makers. Organisational agendas include the issues management wishes to advance. These agendas overlap but are not identical. Agenda-setting is relevant to issue management because organisations compete for limited attention. A public health organisation may seek to place preventive care on the policy agenda; an industry association may seek attention for regulatory reform; a community group may attempt to move local pollution from a private concern to a public issue. Newsworthiness, timing, events, credible sources, data, and human experience all affect agenda access. Agenda-building extends the analysis by examining how organisations, journalists, publics, political actors, and social movements interact to shape agendas. An organisation cannot assume that issuing a statement will produce coverage. It must understand the interests and routines of media, provide verifiable information, connect the issue to public concerns, and recognise that other actors may contest its interpretation. The ethical risk is manufactured salience. Organisations may exaggerate a minor issue, suppress relevant context, or exploit public attention for private advantage. Strategic communication should distinguish legitimate advocacy from distortion and should respect the public’s need to understand the relative significance of competing issues. Framing: Selecting Meaning and Defining ResponsibilityFraming refers to the way communicators select and emphasise certain aspects of reality so that an issue is interpreted through a particular perspective. A frame may identify a problem, diagnose its cause, make a moral evaluation, and suggest a remedy. The same event can therefore be framed as a safety failure, an economic opportunity, a regulatory burden, an equity issue, or a technological transition. Frames operate through language, images, examples, sources, comparisons, statistics, headlines, and omissions. In public relations, framing affects how an organisation defines its identity and how publics understand responsibility. During a product failure, an organisation might frame the event as an isolated technical incident, while consumers may frame it as evidence of negligent governance. The conflict is not merely over facts; it is also over interpretation and accountability. Framing analysis asks several questions: What problem is being highlighted? Who is presented as responsible? Which groups are visible or absent? What values are invoked? What solution appears reasonable? What alternatives are excluded? These questions help practitioners evaluate both their own messages and the frames used by critics, journalists, regulators, or online communities. Effective framing should be evidence-based and consistent with organisational behaviour. A company cannot credibly frame a labour dispute as a misunderstanding if internal documents show deliberate suppression of worker concerns. Nor should a practitioner assume that a positive frame will be accepted simply because it is repeated. Counterframes emerge when affected publics possess different experiences, evidence, or moral priorities. Diffusion of Innovations and the Movement of IdeasDiffusion theory explains how an innovation, practice, product, or idea spreads through a social system over time. Everett Rogers identified stages commonly described as knowledge, persuasion, decision, implementation, and confirmation. Adoption is influenced by perceived relative advantage, compatibility with existing values and practices, complexity, trialability, and observability. The theory also identifies adopter categories: innovators, early adopters, early majority, late majority, and laggards. These categories describe patterns of adoption rather than fixed personality types. In professional communication, the distinction matters because people who first experiment with an innovation may differ from those who require social proof, institutional support, or reduced risk. For example, a public transport authority introducing a mobile ticketing system might first engage technologically confident users, then use their experience and visible benefits to reach the early majority. It must also address barriers such as accessibility, privacy, device compatibility, and fear of failure. Awareness alone does not guarantee adoption; people need practical capability and confidence. Diffusion theory is useful in public health communication, sustainability programmes, educational campaigns, technology adoption, and organisational change. It also reveals ethical concerns. Practitioners should not equate rapid adoption with social benefit. An innovation may diffuse because of aggressive promotion, social pressure, or unequal access rather than because it is safe or appropriate. Evaluation must therefore consider informed choice, distributional effects, and unintended consequences. Social Influence: Networks, Norms, and BehaviourSocial influence concerns the ways people’s attitudes and behaviours are shaped by other people, groups, institutions, and perceived norms. It includes conformity, compliance, identification, authority, social proof, and interpersonal recommendation. Public relations increasingly operates in networked environments where information travels through employees, community leaders, creators, peer groups, professional networks, and algorithmically organised platforms. Descriptive norms concern what people believe others do; injunctive norms concern what people believe others approve or disapprove of. A campaign encouraging recycling, for instance, may use evidence that many residents recycle, while also communicating that responsible waste management is socially valued. Such strategies can support constructive behaviour, but they can also backfire if a message unintentionally normalises undesirable conduct. Opinion leaders and trusted intermediaries can assist communication when they possess genuine credibility and relevant knowledge. Their involvement should not be reduced to purchasing influence. Disclosure of sponsorship, accuracy of claims, and alignment between the spokesperson’s conduct and the issue are essential. Employees can also function as influential communicators, but organisations should avoid pressuring staff to present personal endorsements or disclose confidential information. Social influence theories help explain why factual correction alone may not change behaviour. People interpret information through identity, group membership, trust, and perceived social consequences. Effective practice combines accurate information with accessible action, credible messengers, and an understanding of community norms. Manipulative tactics, covert accounts, astroturfing, and deceptive amplification undermine both ethics and long-term relationships. Relationship-Management Theory: Evaluating the Quality of ConnectionRelationship-management theory places relationships between organisations and publics at the centre of public relations. Communication is treated as a means of establishing, maintaining, repairing, and evaluating relationships rather than merely producing messages. The central question becomes: What kind of relationship has the organisation created, and with what consequences? Common relationship outcomes include trust, commitment, satisfaction, control mutuality, legitimacy, and willingness to support or cooperate. Control mutuality concerns the extent to which both parties believe they have influence in the relationship. Trust involves perceptions of integrity, competence, dependability, and openness. Commitment reflects the intention to maintain the relationship, while satisfaction concerns whether expectations are being met. Relationship quality can also be considered through exchange and communal orientations. In an exchange relationship, each party expects benefits in return for what it provides. In a communal relationship, parties provide support because they are concerned with the welfare of the other, not only with immediate return. Organisations may require exchange relationships in commercial settings, but public legitimacy often depends on demonstrating communal responsibility toward employees, communities, and vulnerable groups. Relationship management is not the same as avoiding criticism. A healthy relationship can include disagreement if parties believe that the other is honest, responsive, and willing to negotiate. Conversely, high satisfaction with a brand message does not necessarily indicate a strong relationship if the organisation lacks accountability or exploits dependence. Evaluation should therefore combine quantitative and qualitative evidence. Surveys can measure trust, satisfaction, commitment, and perceived responsiveness. Interviews, focus groups, complaint analysis, social listening, participation records, and behavioural indicators can reveal how relationships are experienced. Practitioners should avoid claiming that a high volume of engagement automatically represents relationship strength. Integrating the Theories in Professional PracticeThe theories become most useful when applied together. Consider a public transport operator facing opposition to a proposed fare restructuring. Systems theory directs attention to the organisation’s dependence on passengers, employees, regulators, municipal authorities, and communities. Situational theory helps distinguish occasional users, daily commuters, accessibility advocates, staff unions, and active campaign groups. Agenda-setting analysis examines which aspects of the proposal are receiving public and policy attention. Framing analysis compares the organisation’s affordability frame with a campaigners’ inequality frame. Diffusion and social influence help identify how information and interpretations travel through commuter networks, local media, employee groups, and digital communities. Two-way symmetrical communication suggests consultation and possible policy adjustment rather than a purely persuasive campaign. Relationship-management theory establishes evaluation criteria: trust, perceived fairness, satisfaction with the process, and willingness to continue engaging. Excellence theory asks whether public relations had access to decision-makers before the proposal was finalised. This integrated approach prevents a common professional error: selecting a communication channel before understanding the problem. The strategic sequence should generally move from environmental research to public identification, issue interpretation, organisational decision-making, communication design, engagement, and evaluation. In practice, these activities overlap and require iteration. Illustrative Case Study: The Riverside Water ConsultationBackgroundRiverside Water, a fictional regional utility, proposes replacing an ageing treatment facility near three communities. The project promises improved reliability but raises concerns about construction noise, river ecology, household bills, and emergency preparedness. The utility initially plans to publish a press release and hold one public meeting after the preferred site has been selected. Situation and ProblemEarly monitoring reveals that local residents are already discussing the project in neighbourhood groups. An environmental association has requested access to technical studies, while a councillor warns that public confidence is declining. The communication problem is therefore not simply a lack of information. It involves competing frames, low trust, unequal access to technical knowledge, and a decision process perceived as predetermined. Analysis through the TheoriesSystems theory shows that the project connects engineering, finance, environmental regulation, customer service, political oversight, and community relations. A delay in construction may affect water security, but inadequate consultation may produce legal, political, and reputational costs. Situational theory identifies several publics. Some residents are latent publics because they are affected but have not yet connected the project to their daily lives. Others are aware publics seeking information. The environmental association and organised residents are active publics with high involvement and low perceived constraints. Treating all residents as passive recipients would be strategically unsound. Framing analysis reveals that Riverside Water describes the proposal as infrastructure renewal, while residents describe it as a threat to ecological safety and household affordability. Agenda-setting is occurring through local news, council meetings, and online discussion. Relationship-management theory indicates that the immediate objective should be improved trust and perceived fairness, not merely favourable coverage. Approach and StrategyRiverside Water establishes an independent consultation panel including residents, environmental specialists, engineers, and consumer representatives. It publishes plain-language summaries and the underlying technical studies, including uncertainties and potential disadvantages. It holds small facilitated workshops before the site decision, provides translation and accessible formats, and creates a public response register showing how major concerns are addressed. The organisation also changes its internal process. Public relations staff join the project steering committee, and management agrees that consultation can alter the construction schedule, mitigation measures, and monitoring commitments. Engineers attend meetings with communication support rather than delegating all public contact to media staff. The utility uses digital tools for document access and question submission but retains in-person options for residents with limited digital access. OutcomeIn this illustrative case, consultation does not produce universal agreement. The preferred site remains contested, and the environmental association continues to oppose parts of the proposal. However, the final plan includes additional ecological monitoring, a revised construction timetable, a household-bill protection measure, and an independent complaints process. Follow-up research records improved perceptions of procedural fairness and competence, although trust remains conditional on implementation. Learning PointsThe case demonstrates that theory can change organisational action. Systems theory broadened the problem beyond publicity. Situational theory differentiated publics and engagement needs. Framing analysis exposed the conflict over meaning and responsibility. Two-way symmetrical communication created opportunities for mutual adjustment, while relationship-management theory shaped evaluation. The case also illustrates that successful public relations does not always mean eliminating opposition. It may mean creating a more informed, accountable, and workable relationship amid continuing disagreement. Limitations, Risks, and Professional JudgementTheories are analytical tools, not mechanical formulas. Publics may be internally diverse, unstable, and difficult to measure. Organisational decisions may be constrained by law, budgets, technical requirements, or competing rights. Dialogue can be slow, and participation may privilege people with time, confidence, or digital access. Media attention may distort the importance of an issue, while algorithms may make visible voices appear more representative than they are. Practitioners should avoid several common mistakes. One is treating communication as a substitute for organisational change. Another is confusing message exposure with understanding, attitude change, or trust. A third is classifying groups solely by demographics rather than by their relationship to an issue. A fourth is using feedback symbolically without explaining how it affected decisions. A fifth is measuring engagement volume without assessing the quality, inclusiveness, or consequences of engagement. Theory can also be misused to manipulate. Framing may become selective disclosure; social influence may become covert pressure; diffusion strategies may exploit vulnerable adopters; relationship language may conceal transactional objectives. Professional judgement requires attention to truthfulness, autonomy, fairness, privacy, accountability, and the foreseeable effects of communication. Digital Communication, Analytics, and Artificial IntelligenceDigital platforms make public relations more interactive, measurable, and networked, but they do not automatically make it symmetrical. Analytics can identify emerging issues, patterns of attention, sentiment, influential networks, and changes in public behaviour. Social listening can support environmental scanning, while dashboards can combine media coverage, stakeholder feedback, service complaints, and relationship indicators. These tools require careful interpretation. Sentiment analysis may misread sarcasm, multilingual expression, or context. Engagement metrics may reward outrage rather than constructive dialogue. Automated classification can reproduce bias, and collection of public data may still create privacy and consent concerns. Artificial intelligence can assist monitoring, content adaptation, translation, scenario analysis, and response drafting, but human oversight remains necessary for accuracy, accountability, disclosure, and ethical judgement. A responsible digital strategy links analytics to decisions. If monitoring reveals repeated complaints about service access, the response should not be limited to sentiment management. It should investigate the underlying service problem. Likewise, generative tools should not fabricate testimonials, impersonate publics, or create synthetic consensus. Transparency about automated communication is increasingly important for trust. Current Developments and Best PracticesContemporary public relations is increasingly shaped by fragmented media, creator networks, platform governance, misinformation, polarisation, environmental and social accountability, and demands for participation. These developments strengthen the value of theory because practitioners must interpret not only messages but also systems of power, visibility, and trust. Several best practices follow from the theories discussed: - Begin with environmental research and organisational diagnosis rather than channel selection.
- Identify publics by issue involvement, problem recognition, constraints, and capacity for action.
- Involve public relations in decision-making before policies are finalised.
- Distinguish information provision, consultation, collaboration, and negotiation.
- Use framing deliberately but support claims with evidence and acknowledge uncertainty.
- Combine media communication with interpersonal, community, employee, and institutional channels.
- Design for accessibility, inclusion, and unequal digital access.
- Treat feedback as an input to decisions and report what changed.
- Evaluate relationships, trust, fairness, and behavioural outcomes, not only reach or publicity.
- Maintain clear ethical standards for data use, influencers, automation, disclosure, and privacy.
- Prepare for counterframes and criticism without treating all disagreement as misinformation.
Chapter SummaryPublic relations theories explain how organisations communicate, adapt, influence, and build relationships with publics. Systems theory presents the organisation as an open, interdependent system and positions public relations as a boundary-spanning and advisory function. Excellence theory emphasises strategic participation, professional competence, research, ethics, and access to management. Two-way symmetrical communication provides a normative model based on dialogue, mutual understanding, and organisational willingness to adjust. The situational theory of publics helps practitioners distinguish nonpublics, latent publics, aware publics, and active publics according to problem recognition, constraint recognition, and involvement. Agenda-setting explains how communication affects issue salience, while framing explains how the selection and emphasis of meanings shape interpretations of responsibility and solutions. Diffusion theory addresses the spread and adoption of innovations, and social influence theory explains the role of norms, networks, authority, and interpersonal credibility. Relationship-management theory evaluates public relations through trust, commitment, satisfaction, control mutuality, legitimacy, and related outcomes. Used together, these theories support research-based planning, ethical engagement, crisis and issue management, stakeholder consultation, digital monitoring, and evaluation. Their value lies not in predicting every response but in helping practitioners recognise complexity, question assumptions, and connect communication with organisational conduct and public consequences. Key TermsSystems theory: A perspective that views organisations as open systems exchanging resources, information, and influence with their environments. Boundary spanning: The function of interpreting information and expectations across organisational and external boundaries. Excellence theory: A theory linking effective public relations to strategic management participation, research, ethics, and professional practice. Press agentry: A one-way model focused primarily on publicity and attention. Public information: A one-way model that distributes organisational information with emphasis on accuracy. Two-way asymmetrical communication: Research-based communication designed primarily to persuade publics for organisational benefit. Two-way symmetrical communication: Dialogic communication in which organisations and publics may influence and adjust to one another. Public: A group connected by a common issue or consequence and capable of communication or collective action. Problem recognition: The perception that a situation requires attention or action. Constraint recognition: The perception that barriers limit an individual’s or group’s ability to act. Involvement: The perceived personal or social connection to an issue. Agenda-setting: The process through which communication influences the salience and perceived importance of issues. Agenda-building: The interaction among organisations, media, publics, and institutions in shaping agendas. Framing: The selection and emphasis of aspects of reality to guide interpretation of an issue. Diffusion: The process by which an innovation or idea spreads through a social system over time. Social influence: The effect of groups, norms, authority, networks, and interpersonal relations on attitudes or behaviour. Relationship management: The strategic development, maintenance, repair, and evaluation of organisation–public relationships. Control mutuality: The degree to which parties perceive that each can influence the relationship. Communal relationship: A relationship in which support is provided because of concern for the other party’s welfare rather than immediate exchange. Environmental scanning: The systematic monitoring and interpretation of external developments relevant to an organisation. Review QuestionsShort Answer Questions1. Why is public relations described as a boundary-spanning function? 2. What are the three principal variables in the situational theory of publics? 3. Distinguish agenda-setting from framing. 4. What is meant by control mutuality in relationship-management theory? 5. How does two-way symmetrical communication differ from two-way asymmetrical communication? Long Answer Questions1. Explain systems theory and analyse its implications for public relations decision-making. 2. Discuss excellence theory and the conditions required for public relations to contribute to organisational effectiveness. 3. Explain the situational theory of publics and show how it can guide stakeholder prioritisation. 4. Compare agenda-setting, framing, diffusion, and social influence as theories of public communication. 5. Discuss relationship-management theory as an alternative to publicity-centred evaluation. Analytical / Application Questions1. A university announces a campus redevelopment plan but receives criticism from students, staff, local residents, and environmental groups. Apply systems theory and the situational theory of publics to design an initial research and engagement strategy. 2. A company frames a product recall as a rare technical error, while consumer groups frame it as evidence of negligent governance. Analyse the competing frames and recommend an ethical communication approach. 3. A public agency uses an AI system to monitor online discussion and identify influential accounts during a health campaign. Evaluate the benefits, limitations, and ethical safeguards required before using the analysis for strategic decisions. 22. Multiple Choice Questions with AnswersQuestion 1Which situation best illustrates the boundary-spanning role of public relations under systems theory? A. Designing a visually attractive organisational brochure without consulting other departments B. Monitoring community concerns and advising management about changes needed in organisational policy C. Purchasing advertising space to increase message frequency D. Reducing all stakeholder communication to a standard press release Correct Answer: B. Monitoring community concerns and advising management about changes needed in organisational policy Question 2What distinguishes two-way symmetrical communication from two-way asymmetrical communication? A. Symmetrical communication uses no research, whereas asymmetrical communication depends entirely on research B. Symmetrical communication is always informal, whereas asymmetrical communication is always formal C. Symmetrical communication allows both the organisation and publics to influence adjustments and outcomes D. Symmetrical communication seeks publicity, whereas asymmetrical communication avoids persuasion Correct Answer: C. Symmetrical communication allows both the organisation and publics to influence adjustments and outcomes Question 3A group is affected by a proposed factory but has not yet recognised that the proposal may affect its interests. In situational theory, this group is best described as a: A. Nonpublic B. Latent public C. Aware public D. Active public Correct Answer: B. Latent public Question 4Which example most directly demonstrates agenda-setting? A. A campaign presents pollution as an issue of environmental justice B. Repeated prominent coverage causes water security to become a major public concern C. A company changes its logo after receiving customer feedback D. Residents adopt a new recycling practice after observing neighbours Correct Answer: B. Repeated prominent coverage causes water security to become a major public concern Question 5Which question is most relevant to framing analysis? A. How many people opened the organisation’s email? B. Which communication channel has the lowest cost? C. Who is presented as responsible for the problem and which solution is made to appear reasonable? D. How quickly did the innovation spread among early adopters? Correct Answer: C. Who is presented as responsible for the problem and which solution is made to appear reasonable? Question 6According to diffusion theory, an innovation is more likely to be adopted when it: A. Is highly complex and difficult to test B. Has no visible benefits but receives frequent publicity C. Is compatible with existing practices and offers a perceived relative advantage D. Is imposed uniformly without regard to user needs Correct Answer: C. Is compatible with existing practices and offers a perceived relative advantage Question 7Which practice is an example of unethical social influence? A. Disclosing that an online creator has been sponsored by an organisation B. Using credible community leaders to explain a public-health programme C. Creating covert accounts that falsely appear to represent independent public support D. Explaining both the benefits and limitations of a proposed intervention Correct Answer: C. Creating covert accounts that falsely appear to represent independent public support Question 8Which outcome is most closely associated with relationship-management theory? A. The number of press releases issued B. The amount of advertising space purchased C. Public perceptions of trust, satisfaction, commitment, and mutual influence D. The number of slogans used in a campaign Correct Answer: C. Public perceptions of trust, satisfaction, commitment, and mutual influence Question 9A utility holds a public meeting but refuses to consider any changes to its predetermined plan. Which criticism is most appropriate? A. The utility has necessarily achieved two-way symmetrical communication B. The meeting may represent symbolic participation rather than meaningful dialogue C. The utility has applied diffusion theory incorrectly because meetings are never useful D. The utility has eliminated the need for relationship evaluation Correct Answer: B. The meeting may represent symbolic participation rather than meaningful dialogue Question 10Which evaluation approach best integrates the theories in this chapter? A. Measuring only message reach and counting media mentions B. Assessing issue salience, public involvement, organisational responsiveness, relationship quality, and behavioural outcomes C. Evaluating only whether the organisation used social media D. Counting positive comments while excluding complaints and critical feedback Correct Answer: B. Assessing issue salience, public involvement, organisational responsiveness, relationship quality, and behavioural outcomes
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