Portia: A User-Adapted Persuasion System in the Healthy-Eating Domain

Mazzotta, Irene; Rosis, Fiorella de; Carofiglio, Valeria

doi:10.1109/mis.2007.115

Cited by 46 publications

(37 citation statements)

References 5 publications

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“…Masthoff et al (2013) showed that the content of prompts in the charity domain needs to be personalized to gender, age, religion and country affinity. -Adaptation of persuasive arguments to user preferences ( Grasso et al 2000;Carenini and Moore 2006) and user goals as inferred partially from user personality (Mazzotta et al 2007). For an argument to be effective, it needs to be within the so-called latitude of acceptance; i.e.…”

Section: Theories Techniques and The Need For Personalizationmentioning

confidence: 99%

Preface to the special issue on personalization and behavior change

Masthoff

Grasso

Ham

2014

User Model User-Adap Inter

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Personalization and behavior changeDigital behavior intervention is a growing area of research which investigates how interactive systems can encourage and support people to change their behavior. Personalization plays an important role in this, as the most effective persuasive and motivational strategies are likely to depend on user characteristics such as the user's personality, affective state, existing attitudes, behaviors, knowledge, and goals. Example application areas include healthcare (e.g., encouraging people to eat more healthily and exercise more), education (e.g., motivating learners to study more), environment (e.g., encouraging people to use less energy and more public transport), and collaborative content development (e.g., incentivizing people to annotate resources).The idea that a system may be used to motivate people on the basis of a user model is certainly not novel. As early as the 1980s, intelligent tutoring systems encouraged students to learn by means of tailored feedback and hints (Sleeman and Brown 1982), and in the 90s patient education systems attempted to address compliance to a medical regimen by means of information and personalized advice (De Carolis et al. 1996) or encouraged people to adopt healthier lifestyles (Reiter et al. 2003). However, it is only recently that a number of seemingly non correlated, extensive research efforts,

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Section: Theories Techniques and The Need For Personalizationmentioning

confidence: 99%

Preface to the special issue on personalization and behavior change

Masthoff

Grasso

Ham

2014

User Model User-Adap Inter

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“…If compared with the richness of human persuasion messages, the examples we included in this chapter suggest how difficult it is to generate a "good" text: the strategy must be instantiated into a "discourse plan" in which the items to mention, their presentation order, and the rhetorical relations among them have to be carefully established. The plan has then to be translated into a natural language message, implying a phase of "surface generation," in which careful choice of the syntax and wording of sentences must be applied (Mazzotta et al, 2007). Some suggestions on how this task may be accomplished are already available: a variety of "argumentation schemes" have been proposed that formalize the structure of an argumentation text in terms of premises and conclusions (Walton, 1996b).…”

Section: Discussionmentioning

confidence: 99%

Emotion in Persuasion from a Persuader’s Perspective: A True Marriage Between Cognition and Affect

Miceli

Rosis²,

Poggi³

2010

Cognitive Technologies

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We will first try to place persuasion in the general context of social influence, suggest a definition of persuasion, and discuss its implications in terms of the basic principles of any persuasive attempt. Our model takes the persuader's perspective, thus focusing on their theory of the recipient's mind, and their planning for influencing the recipient. We will address persuasion strategies, focusing on the distinction between emotional and non-emotional ones. Once the basic relationships existing between emotions and goals, which are at the foundation of emotional persuasion, are outlined, we will present two general kinds of emotional strategies, persuasion through appeal to expected emotions and persuasion through arousal of emotions, and illustrate the typical features of each kind. Special attention will be paid to persuasion through arousal of emotions, to some problems it raises, and in particular -by focusing on the arousal of two "germane" emotions, envy and emulation -to the analysis of the persuader's reasoning and planning implied by this strategy. Finally, we will briefly compare our model with the dual-process theories of persuasion and provide some concluding remarks on the specificity of our approach, as well as on possible directions of research on persuasion.

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“…In this paper we provide a brief overview of the system. For a more detailed description of PORTIA, please refer to [14] It mainly focuses on two typical aspects of the human persuasion in order to produce effective persuasion attempt in different contexts: on one hand, the ability of reasoning on the potential strength of alternative persuasive strategies for a given user, in order to select the most appropriate one; on the other hand, the capability of combining rational and emotional modes of persuasion, according to the theory of a-rational persuasion [16]. The strategies represented in the model are the result of a combination of theoretical [22,23,18]) and empirical [13] background.…”

Section: An Overview Of Portiamentioning

confidence: 99%

Motivating People in Smart Environments

Carolis

Mazzotta

2012

Lecture Notes in Computer Science

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Abstract. In this paper we discuss the possibility to extend PORTIA, a persuasion system currently applied in human-agent dialogs, to support ambient persuasion. We have identified a fitness center as an appropriate smart environment in which ambient persuasion strategies can be applied. According to the Ubiquitous Computing vision, in the fitness center the user is surrounded by several connected devices that cooperate in the persuasion process, each of them with the most appropriate strategy, mode of persuasion, style of communication and ability of exploiting the kairos principle. To this aim we propose a multi-agent system able to support this distributed and intelligent approach to persuasion that allows to follow the user during the gradual change from the initial attitude to sustain of long term behaviours.

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Portia: A User-Adapted Persuasion System in the Healthy-Eating Domain

Cited by 46 publications

References 5 publications

Preface to the special issue on personalization and behavior change

Preface to the special issue on personalization and behavior change

Emotion in Persuasion from a Persuader’s Perspective: A True Marriage Between Cognition and Affect

Motivating People in Smart Environments

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