Дисертації з теми "Agents behaviour"
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Egginton, Robert. "Predicting and Learning the Behaviour of Intelligent Agents." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521100.
Повний текст джерелаWalker, Tom. "Moral agents : our inbuilt capacity for unselfish behaviour." Thesis, University of Sheffield, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422644.
Повний текст джерелаShearer, John. "Persuasive interactive non-verbal behaviour in embodied conversational agents." Thesis, Newcastle upon Tyne : University of Newcastle upon Tyne, 2009. http://hdl.handle.net/10443/791.
Повний текст джерелаKamyab, Tehrani Kaveh Richard. "Effective delivery of believable behaviour for embodied conversational agents." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/8286.
Повний текст джерелаJaafar, Jafreezal. "Reactive behaviour for autonomous virtual agents using fuzzy logic." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/8317.
Повний текст джерелаAllam, Hossam. "Modelling learning behaviour of intelligent agents using UML 2.0." Thesis, University of Plymouth, 2005. http://hdl.handle.net/10026.1/338.
Повний текст джерелаGilani, Syed Zafar ul Hussan. "Understanding the behaviour and influence of automated social agents." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/279022.
Повний текст джерелаLoÌpez, y. LoÌpez Fabiola. "Social power and norms : impact on agent behaviour." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273756.
Повний текст джерелаChin, Chien Ting. "Modelling the behaviour of microbubble contrast agents for diagnostic ultrasound." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ59006.pdf.
Повний текст джерелаWates, Julia M. "Solution behaviour of cationic surfactants relevant to industrial applications." Thesis, University of Salford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.258424.
Повний текст джерелаFord, Christopher Colin. "Blinking in human communicative behaviour and its reproduction in artificial agents." Thesis, University of Plymouth, 2014. http://hdl.handle.net/10026.1/3197.
Повний текст джерелаChibaya, Colin. "An investigation into XSets of primitive behaviours for emergent behaviour in stigmergic and message passing antlike agents." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1012965.
Повний текст джерелаKhan, Rabia Fatima. "The effect of embodied agents within the user interface." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/the-effect-of-embodied-agents-within-the-user-interface(a4194210-be07-45a0-92db-3a60f8b15a6a).html.
Повний текст джерелаFitzgerald, Paul A. "Solution behaviour of polyethylene oxide, nonionic gemini surfactants." Connect to full text, 2002. http://setis.library.usyd.edu.au/adt/public_html/adt-NU/public/adt-NU20031219.162500/index.html.
Повний текст джерелаJohansson, Anja. "Modelling Expectations and Trust in Virtual Agents." Thesis, Linköping University, Department of Science and Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-9704.
Повний текст джерелаComputer graphics has long been the foremost area of advancement in both the gaming and the motion picture industry. Nowadays, as computer graphics is getting difficult to advance any further, other areas begin to interest the developers. One of these areas is artificial intelligence. The gaming industry has begun to create far more intelligent virtual characters that no longer are as predictable as they used to be. Mixing character animation with intelligent agents techniques results in a vastly more interesting experience for the gamer as well as for the developer.
This project focuses on introducing expectational behaviour and trust in intelligent virtual characters. The area is highly interesting as it enables a vastly more complex emotional structure for virtual agents than that of reactive, rational behaviour. Although expectations can indeed be rational, often they are not when it comes to humans. This project studies the effects of expectations on the emotional state of agents and the effect that the emotions have on the reasoning abilities and the action selection mechanism. It also examines how trust influences emotions and vice versa and how trust influences the action selection mechanism.
One of the requirements of this work is that the computations concerning the triggering of emotions have to be done in real-time. While it is possible to do off-line computations for simulations (such as is often done for the movie industry), it is not what we desire here. It is our goal to create interesting virtual characters that can be interacted with in real-time. Therefore, also expectations and trust must be calculated and managed in real-time.
Pagla, Maria. "The impact of brand attitudes and social agents on young consumer behaviour." Thesis, Middlesex University, 2011. http://eprints.mdx.ac.uk/8326/.
Повний текст джерелаBarnes, J. M. "Neurochemical assessments of the actions of novel agents having nootropic and anxiolytic potential." Thesis, University of Bradford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234701.
Повний текст джерелаMyburgh, Jolanda. "Synthesis and characterization of novel platinum complexes : their anticancer behaviour." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/d1018621.
Повний текст джерелаChan, Chris Chi-Yet. "Behaviour of metals in MSW incinerator fly ash during roasting with chlorinating agents." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ27620.pdf.
Повний текст джерелаPittola, Patrick. "Division of labour in a group of agents inspired by ants' foraging behaviour." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3059/.
Повний текст джерелаJide-Akinwale, Efe. "Influence of socialisation agents on generation y students' apparel purchasing intentions / Efe Jide-Akinwale." Thesis, North-West University, 2013. http://hdl.handle.net/10394/10614.
Повний текст джерелаMCom (Marketing Management), North-West University, Vaal Triangle Campus, 2014
Lindqvist, Ann-Sophie. "Nandrolone decanoate, behaviour and brain : animal experimental studies /." Göteborg : Dep. of Psychology, Univ., 2004. http://hdl.handle.net/2077/68.
Повний текст джерелаHamid, Suhaila Abdul. "Tax compliance behaviour of tax agents: a comparative study of Malaysia and New Zealand." Thesis, University of Canterbury. ACIS, 2014. http://hdl.handle.net/10092/9426.
Повний текст джерелаLee, Penagos Luis Alejandro. "Understanding behaviour through the lens of bounded rationality : experiments with human and artificial agents." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/42418/.
Повний текст джерелаVenter, Wessel Johannes. "An embodied conversational agent with autistic behaviour." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20115.
Повний текст джерелаENGLISH ABSTRACT: In this thesis we describe the creation of an embodied conversational agent which exhibits the behavioural traits of a child who has Asperger Syndrome. The agent is rule-based, rather than arti cially intelligent, for which we give justi cation. We then describe the design and implementation of the agent, and pay particular attention to the interaction between emotion, personality and social context. A 3D demonstration program shows the typical output to conform to Asperger-like answers, with corresponding emotional responses.
AFRIKAANSE OPSOMMING: In hierdie tesis beskryf ons die ontwerp en implementasie van 'n gestaltegespreksagent wat die gedrag van 'n kind met Asperger se sindroom uitbeeld. Ons regverdig die besluit dat die agent reël-gebaseerd is, eerder as 'n ware skynintelligensie implementasie. Volgende beskryf ons die wisselwerking tussen emosies, persoonlikheid en sosiale konteks en hoe dit inskakel by die ontwerp en implementasie van die agent. 'n 3D demonstrasieprogram toon tipiese ooreenstemmende Asperger-agtige antwoorde op vrae, met gepaardgaande emosionele reaksies.
Wilson, Deborah Jane. "Information, incentives and insurer behaviour : an analysis of selection in the health insurance market." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340320.
Повний текст джерелаPhianmongkhol, Aphirak. "Characterisation of protein foams using a method based on conductivity measurement and measurement of physical properties of protein solutions relevant to foaming behaviour." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326975.
Повний текст джерелаBangalore, Kantharaju Reshmashree. "Modelling Cohesive Behaviours for Virtual Agents in Multiparty Interactions." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS230.
Повний текст джерелаGroup interactions are a commonly used form of communication among humans. Often the members of a group are involved in discussing, making decisions and exchanging ideas, under different settings (e.g., meeting, conference, party etc.). Group Cohesion describes the shared bond that drives the members to stay together and to want to work together to achieve group goals. In group interactions, humans communicate and coordinate with each other via a number of verbal and nonverbal behaviours. In this research work, as a first step we recognise the relation between group cohesion and certain non-verbal social signals of interest. Next, we present the results on automatic estimation of cohesion levels in groups using different features and feature representation techniques for groups. Virtual agents, a computer-generated animated character with human-like non-verbal behaviours, have been widely used for human-computer interactions in various applications e.g., educational agents, health coaches, training assistants etc. Most of the applications so far have focused on developing agents for dyadic interactions i.e., a single agent and user. A group of agents (multiparty) can be potentially effective in persuading, motivating and educating the users through interactive discussions. In the next step, we develop a multiparty model involving multiple autonomous agents that are capable of displaying cohesive group behaviour i.e., shared commitment to group tasks and positive relationship among the agents. Considering the surge in the range of applications using virtual agents, it is important to study the interactions between multiple agents and the user and understand the effects of using such a system. We hypothesise that the use of a multi-agent system would allow the user to be more engaged in the discussion and provide different perspectives on the same issue and facilitate the users to make informed decisions. Therefore, in the final step we conduct multiple user evaluation studies to understand the effects of multiparty interactions on the user and their perceptions e.g., the level of trust, persuasion. We present insights into the most effective form of interactions for promoting behaviour change or persuading the user using different group conversational topics. To summarise, in this thesis we recognise the association between certain non-verbal social signals and group cohesion, present the estimation accuracy using features extracted from these signals, develop a multiparty model to simulate a cohesive group of agents displaying prominent social signals and finally evaluate the effectiveness of such a model in the context of behaviour change and its effects on user’s perceptions
Kujawinski, Sarah. "The effect of buffering agents on the behaviour of HPMC controlled release matrix dosage forms." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275069.
Повний текст джерелаTolar, Martin, of Western Sydney Macarthur University, and Faculty of Business and Technology. "Satisficing versus optimising behaviour in the non-durable consumption expenditure decision making process." THESIS_FBT_XXX_Tolar_M.xml, 1995. http://handle.uws.edu.au:8081/1959.7/108.
Повний текст джерелаMaster of Commerce (Hons)
Kochenderfer, Mykel J. "Adaptive modelling and planning for learning intelligent behaviour." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/1408.
Повний текст джерелаEsbjörnsson, Jimmy. "EMO - A Computational Emotional State Module : Emotions and their influence on the behaviour of autonomous agents." Thesis, Linköping University, Department of Science and Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-9090.
Повний текст джерелаArtificial intelligence (AI) is already a fundamental component of computer games. In this context is emotions a growing part in simulating real life. The proposed emotional state module, provides a way for the game agents to select an action in real-time virtual environments. The modules function has been tested with the open-source strategy game ORTS. This thesis proposes a new approach for the design of an interacting network, similar to a spreading activation system, of emotional states that keeps track of emotion intensities changing and interacting over time. The network of emotions can represent any number of persisting states, such as moods, emotions and drives. Any emotional signal can affect every state positively or negatively. The states' response to emotional signals are influenced by the other states represented in the network. The network is contained within an emotional state module. This interactions between emotions are not the focus of much research, neither is the representation model. The focus tend to be on the mechanisms eliciting emotions and on how to express the emotions.
Mohamed, Mirza Bin. "Import tax compliance : a study of customs agents in Malaysia utilising the theory of planned behaviour." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/33450/.
Повний текст джерелаJiang, Lai. "Building energy management and occupants' behaviour-intelligent agents, modelling methods and multi-objective decision making algorithms." Thesis, University of Reading, 2017. http://centaur.reading.ac.uk/68391/.
Повний текст джерелаMagg, Sven. "Self-organised task differentiation in homogeneous and heterogeneous groups of autonomous agents." Thesis, University of Hertfordshire, 2012. http://hdl.handle.net/2299/9038.
Повний текст джерелаSalek, Mohammed. "Statistical analysis and modeling of the opening and closing auctions of financial markets." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST045.
Повний текст джерелаThis thesis is devoted to the study of opening and closing auctions in European markets with a specific emphasis on the Paris stock exchange. Auctions serve as an essential mechanism to open and close trading days in an orderly way. In particular, closing prices are of crucial importance for both investors and regulators. In contrast to the abundant literature on the continuous trading phase, work on auctions is scarce, partly due to the difficulty in acquiring high-quality data. This thesis is based on a high-quality dataset allowing us to provide novel insights into auction phases, reconstruct their tick-by-tick dynamics, and propose accurate models of the observed phenomena.First, we examine price impact in auctions. We provide a mathematical framework for auctions, compute the average shape of the limit order book at auction time, and its breakdown by agents' latency and account type. We investigate price impact at auction time and address the effect of random clearing times. Second, we adapt a continuous price-time model to the specifics of equity auctions. We show that time-dependent solutions can be obtained in closed-form formulas. We numerically solve the full equations and fit the average dynamics of the limit order book in closing auctions. We conclude by investigating the causes behind the indicative price sub-diffusivity
Goodwin, Nicholas Jeffery. "Effects of participation and sense of community on change agents in an Indonesian sanitation behaviour change communications program." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14561.
Повний текст джерелаRizzuto, Matteo <1987>. "The effect of different compatibilizers agents on the nucleation and crystallization behaviour of poly(lactide)/poly(ɛ-caprolactone) blends". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8571/7/tesi%20matteo%20rizzuto.pdf.
Повний текст джерелаRubil, Dijana, and Caroline Schöld. "The influence of and interaction between socialization agents in the child-consumers purchasing process." Thesis, Jönköping University, JIBS, EMM (Entrepreneurship, Marketing, Management), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-13096.
Повний текст джерелаIn several years researchers have focused on identifying different socialization agents that influence the child consumer in the purchasing process. These studies have identified parents, friends and peers, television, role models, and different virtual communities as socialization agents. However, there is still no understanding of how the socialization agents are integrated in the decision-making process.
The purpose is therefore to identify how the child-consumers are influenced by different sources in their decision-making process, and recognise the socialization agents’ interaction as influencers.
The authors have found that there is a continuous interaction between the socialization agents in the decision-making process. The socialization agents, such as parents, siblings, friends and peers, television, role models and virtual communities, separately influence the adolescents in the purchasing process, however, the adolescents do not only take into consideration the opinion of one socialization agent but rather they use all of them. The authors have also found that the socialization agents act as support systems to other socialization agents, this in both influence and credibility.
Saal, Wylene Leandri. "The applicability of the theory of planned behaviour in predicting adherence to antiretroviral therapy (ART) among a South African sample." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6821.
Повний текст джерелаENGLISH ABSTRACT: The primary aim of the study was to determine the applicability of the theory of planned behaviour (TPB) in predicting adherence to ART among South African patients attending public health clinics. The second aim was to determine the relationship between self-reported adherence and viral load. The results from the hierarchical multiple regression analyses revealed that the linear combination of the variables of the TPB significantly explained 12% of the variance in intentions to adhere to ART. Perceived behavioural control was the only variable that significantly predicted intentions to adhere to ART. The inclusion of perceived stigma was not a useful addition to the model. The results also reflect the relationship between intentions to adhere to treatment and self-reported adherence, which was not significant. The TPB was unable to significantly account for variance in self-reported treatment adherence. When perceived stigma was added to the TPB, the model was still unable to significantly explain variance in self-reported adherence. Nonetheless, attitudes towards treatment were the only variable that significantly accounted for variance in self-reported treatment. It was concluded that interventions aimed at improving adherence among South African patients attending public health clinics, should aim to encourage positive attitudes towards treatment, should aim to increase perceived subjective norms, should increase the patients’ perceptibility that they are able to be adherent and should aim to decrease perceived stigma. Improving adherence to ART can result in increasing the quality of life of patients living with HIV/AIDS.
AFRIKAANSE OPSOMMING: Die primêre doel van die studie was om vas te stel of die teorie van beplande gedrag (TPB soos voorgestel in die studie) antiretrovirale terapie (ART) nakoming onder Suid-Afrikaanse pasiёnte by publieke gesondheidsklinieke kan voorspel. Die sekondêre doel was om die verhouding tussen self-gerapporteerde volgehoue behandeling en virale lading te bereken. Die uitslae van die hiёrargiese veelvuldige regressie analise het getoon dat die linêere kombinasie van die veranderlikes van TPB 12% van die verandering in ART voornemens akkuraat kon voorspel. Waargenome gedragsbeheer was die enigste veranderlike wat ART voornemens akkuraat kon verklaar het. Die insluiting van waargenome stigma was nie beduidend ten opsigte van die model nie. Geen beduidende verband tussen voorneme om met behandeling vol te hou en self-gerapporteerde volgehoue-behandelingsgedrag word uitgebeeld. Waargenome gedragsbeheer kon wel ‘n bydrae lewer om verandering in die voorneme om met behandeling vol te hou verklaar. Die TPB kon egter nie ‘n verduideliking bied vir die verandering in self-gerapporteerde volgehouebehandelingsgedrag nie. Toe waargenome stigma by die TPB gevoeg is, was die model steeds nie daartoe instaat om die verandering in self-gerapporteerde volgehouebehandelingsgedrag te verklaar nie. Nietemin, houdings teenoor behandeling was die enigste veranderlike wat verandering in self-gerapporteerde gedrag verklaar. Daar is tot die gevolgtrekking gekom dat intervensies gerig op die verbetering van volhoubare gedrag onder Suid-Afrikaanse pasiёnte wat openbare gesondheidsklinieke bywoon,positiewe houding teenoor behandeling moet aanmoedig, subjektiewe norme verhoog, die pasiёnte se persepsie dat hulle instaat is om volhoubare gedrag kan toon moet verhoog en ook waargenome stigma moet verminder. Beter ART nakoming kan lei tot ‘n toename in die MIV/VIGS pasiёnt se kwaliteit van lewe.
Biancardi, Béatrice. "Les premières secondes comptent : gérer les premières impressions pour un agent virtuel plus engageant." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS037.pdf.
Повний текст джерелаThe first moments of an interaction with a virtual character are critical since users form impressions about them, which can affect the rest of the interaction, in terms of engagement and willingness to continue it. In this Thesis we present a computational model for managing user’s impression of agent’s warmth and competence (W&C), the 2 fundamentals dimensions of social cognition. The goal of the agent is to adapt its non-verbal behaviour in real-time during an interaction, according to user’s non-verbal reactions. Our approach starts from the analysis of a corpus of human-human interactions in order to identify a set of non-verbal behaviours eliciting different degrees of W&C. A perceptual study then investigated how these behaviours are perceived when performed by a virtual agent. A reinforcement learning (RL) algorithm has been developed to allow the agent to learn in real-time the behaviours which give the best impression to the user, according to its goal. User’s non-verbal reactions (computed from low-level signals such as facial action units) are used as a reward for the RL. We have personalized the computational model in order to adapt the agent’s behaviours with the goal of maximizing user’s engagement or impressions of agent’s W&C. Two use cases have been run in order to evaluate the impact of an adapting agent on user’s impressions and perception of the interaction, compared to a non-adapting agent. In the first experiment the agent adapted its self-presentational strategies in order to maximise user’s engagement. In the second one the agent learned the best combinations of non-verbal behaviours to display in order to maximise user’s impressions of its W&C
Tezcan, Okan. "Metastatic Behaviour Of Doxorubicin Resistant Mcf-7 Breast Cancer Cells After Vimentin Silencing." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615553/index.pdf.
Повний текст джерелаTolar, Martin. "Satisficing versus optimising behaviour in the non-durable consumption expenditure decision making process." Thesis, [Campbelltown, N.S.W. : The Author], 1995. http://handle.uws.edu.au:8081/1959.7/108.
Повний текст джерелаHunt, Janey. "Conversations : the socially engaged artist as environmental change agent." Thesis, University of Plymouth, 2011. http://hdl.handle.net/10026.1/817.
Повний текст джерелаBimpli, Iva. "Investigating Ethical Decision Making in Marketing Research: An Exploratory Study Towards the Interaction of Different Moral Agents in Marketing Research." Thesis, University of Bradford, 2015. http://hdl.handle.net/10454/14401.
Повний текст джерелаBordignon, Massimo. "An investigation in the theory of voluntary provision of public goods and income tax evasion under the hypothesis of ethical behaviour on the part of economic agents." Thesis, University of Warwick, 1989. http://wrap.warwick.ac.uk/3951/.
Повний текст джерелаCevoli, Alessandro. "Engineering behavioural differentiation in robots controlled by Boolean networks." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19106/.
Повний текст джерелаDarakdjian, Quentin. "Prédiction des performances énergétiques des bâtiments avec prise en compte du comportement des usagers." Thesis, La Rochelle, 2017. http://www.theses.fr/2017LAROS015/document.
Повний текст джерелаContinuous improvement of the building energy performance is associated with the development of increasingly efficient and accurate numerical tools. While the consideration of phenomena related to buildings, systems and weather is well mastered, occupants’ behaviours are modelled in a very simplified way by repetitive scenarios and deterministic laws. The impact of occupants on energy consumption in high-performance buildings is dominant, as evidenced by the recurring gaps between predicted and measured results. The thesis demonstrates, via a multi-agent platform and stochastic models, an update on the ability to model occupants’ presence, their behaviours on windows, occultation devices, artificial lighting and heating setpoint temperatures. The application of the platform applies to office and residential buildings, for new builds and refurbishments. Occupants’ behaviour models are ideally obtained from in situ surveys, laboratory studies or sociological works. The suggested platform is then co-simulated with the EnergyPlus software, to study the influence of the models on a buildings energy performance. In the perspective of energy performance guarantees, this work contributes to the updating and reliability of prediction tools
Váňová, Jana. "Systém symbolů a jeho vztah k sociálním normám a standardům jednání ve vybrané organizaci." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-76970.
Повний текст джерелаChilufya, Patrick Mukuka. "Impact of antiretroviral therapy on risky sexual behaviour in people living with HIV and AIDS (PLWHA) in Lusaka District of Zambia." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97951.
Повний текст джерелаENGLISH ABSTRACT: The aim of the study was to investigate to what extent the availability of antiretroviral treatment has influenced sexual risk behavior practices in people living with HIV and AIDS (PLWHA) in order to provide suggestions to improve HIV prevention messages. The study was conducted among adult HIV patients on ART aged 18 and above and affiliated to the Network of Zambian People Living with HIV/AIDS (NZP+) in Lusaka District. A purposive sampling method was used to select study units and a sample of 40 was selected. Data was collected from participants using a self-administered questionnaire. SPSS version 20 software computer package was used to analyze data. Chi- square was used to measure associations between dependent variables (risky sexual behavior and initiation of ART) and the independent variable (duration of time on ART). With the confidence interval set at 95%, the P value was used to ascertain the degree of significance by using the decision rule which rejects the null hypothesis if P value is equal or less than 0.05. The findings revealed that the participant's mean age was 2.8 ± 1.3 SD. More than half (68%, n=27) of the participants had adequate knowledge on HIV prevention while 90% (n=36) of participants had a good (positive) attitude towards ART. 82.5% (n=33) of the participants on ART had sexual intercourse in the last 6 month, and 21.2% (n=7) of these did not use a condom for secondary prevention. There was no significant correlation between being on ART and having sexual intercourse, condom usage or number of sexual partners OR (P value of 0.45 and 0.85), (P values 0.37 and 0.5) and (P value 0.34 and 0.57) respectively. In multivariable analysis, the majority of the respondents (35.5%, n=11) indicated that continued sensitization would improve HIV prevention messages to support communities affected. Few (29%, n=9) stated that: "promoting abstinence among the youths or use of a condom for those that are sexually active and intensifying VCT campaign would reduce HIV transmission" and 7% (n=2) of the respondents suggested that; "involving the families and communities affected, civic, religious, and traditional leaders to educate both the young and adult citizens in schools, colleges and churches to support PLWH and fight against HIV-related stigma and discrimination. Stellenbosch University https://scholar.sun.ac.za iii A significant association was not found between an increase in risky sexual behavior or an upsurge in the occurrence of unprotected sex, initiation of ART and duration of being on ART. The majority (83%, n=15) of the respondents on ART for less than sixty months had protected sexual intercourse and 73% (n=11) on ART for sixty months and above also used protection. This association was statistically not significant (Chi-square value 2.95. P value > 0.05). However; other studies need to explore these subjective interpretations further.
AFRIKAANSE OPSOMMING: Nie beskikbaar