Roberto Pereira

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Verified

Roberto verified their affiliation via an institutional email.

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• Ph.D in Computer Science
• Professor at Federal University of Paraná

Cultural aspects such as values, beliefs, and behavioral patterns influence the way technology is understood and used, and the impact it may cause on the environment and on people. Although there is influential literature devoted to the subject of values and culture in Human-Computer Interaction, there is still a lack of principled and practical ar...

Augmentative and Alternative Communication (AAC) aims to complement or replace spoken language to compensate for expression difficulties faced by people with speech impairments. Computing systems have been developed to support AAC, however, partially due to technical problems, poor interface, and limited interaction functions, AAC systems are not w...

A Pós-Graduação pública no Brasil enfrenta o que talvez seja o momento mais crítico de toda a sua história. Mais do que o crescente sucateamento e corte de recursos, temos sido sistematicamente atacados, descredibilizados e perseguidos em diferentes espaços sociais. Neste artigo, apresento o meu entendimento sobre o cenário em que estamos e indico...

No Departamento de Informática da Universidade Federal do Paraná (UFPR), oferecemos uma disciplina obrigatória para estudantes ingressantes com o propósito de promover o desenvolvimento de habilidades que serão necessárias durante o curso de computação escolhido e para a prática profissional ao longo da vida. A disciplina foi concebida para: i) apr...

Computing systems have a tremendous influence on how we understand the world. Due to its ubiquity and pervasiveness over the past decade, computing technology has created societal challenges (e.g., related to justice, sustainability, ethics, peace) that demand we reexamine how we design computer-based systems. Drawing on a phenomenological understa...

The evolution of chatbots powered by AI impacts how games are designed and developed. In the challenging task of expanding a game access to a broad audience, this work investigate how ChatGPT can help game designers identify sociotechnical requirements for redesigning inclusive, adaptable games. Two exploratory studies were carried out with a memor...

O Super Trunfo 20 é um jogo de cartas colecionáveis jogado por duas ou mais pessoas em um esquema de rodadas. Neste capítulo, apresento um exemplo de adaptação da proposta do jogo para uma sessão de Trunfo da Avaliação: problemas encontrados com a aplicação de técnicas de avaliação (e.g., usabilidade, acessibilidade, UX) são representados em cartas...

O jogo da memória Cuca Fresca foi desenvolvido para profissionais de saúde personalizarem o atendimento a crianças com deficiências físicas e cognitivas. Este artigo apresenta a análise dos resultados de atividades de redesign desse jogo, no qual foram utilizados artefatos do Design Socialmente Consciente em dois workshops para a criação de uma nov...

Accessibility involves removing barriers to allow a product or service to be used by as many people as possible. In the context of digital games, one way to address the diversity of an audience is through adaptability, allowing game characteristics to be customized to the needs of its different users. The current state of the art in the literature...

Human values are an important aspect to consider when developing interactive systems, as these values influence technology operation and adoption by different people. The literature on human values in interactive systems already provides artifacts, methods, and techniques to conduct a value-oriented development of technology. However, artifacts and...

A Plataforma MEC de Recursos Educacionais Digitais (MEC RED) centraliza conteúdos de usuários e dos principais portais do Ministério da Educação do Brasil (MEC) para todas as pessoas interessadas em educação e cultura digital. Este estudo avalia a MEC RED com o objetivo de atender à demanda do MEC de melhorar a Experiência do Usuário e ampliar as s...

The MEC Digital Educational Resources Platform (MEC RED) is free software created in 2015 in collaboration with UFPR, UFSC, and teachers from all over Brazil. This platform was created to gather and make available content from users and the main portals of the Brazilian Ministry of Education for all people interested in the relationship between dig...

Neste capítulo, apresentamos uma prática para gamificar disciplinas de IHC utilizando emblemas (badges) tematizados com nomes de personalidades da comunidade brasileira e da comunidade internacional. A prática envolve conceder emblemas como forma de recompensa por atividades desempenhadas, e como forma de apresentar pessoas que tenham contribuído c...

Neste capítulo, apresento uma prática de Thinking Aloud adaptada para ser conduzida no formato de “collaborative reactions”: quando há várias pessoas explorando um objeto, reagindo a ele, discutindo sobre ele, e realizando anotações em conjunto. Experiências com a aplicação do método em aulas presenciais e remotas têm mostrado que a prática é adequ...

The II GranDIHC-BR is a collaborative initiative to identify Grand Research Challenges for Human-Computer Interaction (HCI) and define a research agenda for the next decade (2025-2035) in Brazil. A diverse group of researchers and practitioners identified seven critical societal and technological challenges for the country and the field: (1) New Th...

Este artigo apresenta o compilado das reflexões da comunidade de IHC submetidas como insumo para a primeira fase do II GranDIHC-BR. O conteúdo é apresentado da forma submetida pelos autores e autoras, mantendo sua formatação e conteúdo original, sem nenhuma edição, de modo a preservar as ideias submetidas.

A Plataforma MEC RED foi criada em 2015 para centralizar recursos digitais produzidos por usuários cadastrados e disponibilizados por portais do Ministério da Educação (MEC). O público-alvo dessa plataforma é qualquer pessoa interessada em educação e cultura digital, com foco em docentes que atuam na rede de educação pública. Quase uma década após...

This paper presents a card-based method to support game designers in identifying adaptation requirements. The authors analyzed studies from a systematic literature mapping on game adaptation and identified a research gap in solutions that support the design of adaptable games for a broader audience, contexts, and purposes of use. As a proposal, we...

SIMCAQ, a Student Cost Quality Simulator, is a free online system to estimate the cost of providing quality education in public primary education schools. The purpose of SIMCAQ is to serve as an educational planning tool emphasizing the budgetary aspect, which diagnoses the educational context at municipal, state, and national levels. Allowing to s...

Bullying is a form of violence that occurs in different situations of our social and physical environment, profoundly affecting people's lives. Digital media can be a facilitator of this misbehavior, but also a supporter in combating it. The literature in computing has shown efforts mainly through web and desktop technologies, with few technologies...

Deceptive and manipulative design patterns are strategies to mislead users or serve the particular interests of third parties other than the user. These patterns are widespread across software, web, and applications, with a notable example being the deliberate placement of commitment terms in obscure, hard-to-read text boxes, concealing clauses rel...

The National Book and Teaching Material Program, formulated and executed by the Brazilian Ministry of Education and the National Education Development Fund, aims to ensure that students and teachers in Brazilian public schools have the constitutional right to access teaching materials. The program's logistics are complex, requiring the timely and c...

Culture affects how people behave and, consequently, how systems should be designed. This paper presents a work in progress using Lewin's Action Research Model to analyze the cultural context of a gamified introductory computing course. It presents the analysis results using Hall's Primary Message System (PMS) as an analytical lens. The results fro...

Designing games accessible and inclusive to a broader audience requires considering social, technical, and cultural aspects that recognize the diversity of the target audience. One strategy to foster inclusion is through adaptability, allowing games to be adapted based on the needs of their users. In this context, a Systematic Mapping Study was con...

This paper presents a systematic literature review in Computer Science that provide an overview of the initiatives related to digital misinformation. This is an exploratory study that covers research from 1993 to 2020, focusing on the investigation of the phenomenon of misinformation. The review consists of 788 studies from SCOPUS, IEEE, and ACM di...

Este relatório apresenta os resultados da Avaliação da Plataforma MEC de Recursos Educacionais Digitais com especialistas em Experiência do Usuário (UX) e especialistas em Educação/Tecnologias Educacionais. A avaliação foi realizada atendendo a meta “Planejar e conduzir oficinas Semi-Participativas virtuais e reais com representantes do público-alv...

This article addresses the challenge of comprehending digital misinformation as a sociotechnical phenomenon within the field of Human-Computer Interaction, particularly in the context of COVID-19-related misinformation in Brazil. The study employed an exploratory approach to analyze misinformation cases using various artifacts and conducted a focus...

Este documento reune todas as informações necessárias para inspirar ou ser utilizadas por professores e pesquisadores para promover o exercício do Pensamento Computacional no ensino superior em computação. A abordagem pode ser adaptada para turmas de ensino médio, técnico ou outros cursos. A abordagem é resultado da tese de doutorado de Carolina Mo...

Este artigo apresenta os resultados de um estudo sobre a logística do PNLD - Programa Nacional do Livro e do Material Didático. O Brasil é um país de dimensões continentais, fazendo com que a distribuição dos livros didáticos às escolas públicas de todas as regiões do país, antes do início das aulas e com o menor custo viável possível, seja um prob...

O Pensamento Computacional é uma estratégia para resolução de problemas baseada em técnicas e conceitos da computação, compreendendo habilidades cognitivas a serem desenvolvidas de modo subjetivo e, por isso, de difícil observação e constatação de seu aprendizado. Neste estudo, apresentamos e reportamos o uso de um protocolo desenvolvido para apoia...

O MeTA é um método composto de 70 normativas para apoiar a avaliação de Tecnologias Educacionais a partir de uma perspectiva inclusiva. Este artigo apresenta e discute a aplicação do MeTA para avaliar a acessibilidade da Plataforma MEC RED, uma plataforma colaborativa que disponibiliza recursos para a comunidade escolar e que precisa ser acessível...

O projeto de jogos é uma atividade desafiadora que exige conhecimentos e habilidades em diferentes áreas. Quando se trata da formação de novos designers, entender e adotar metodologias, instanciando-as a um contexto de design específico é uma tarefa difícil porém necessária. Neste artigo, apresentamos o relato da experiência na concepção de um jogo...

A baixa participação de mulheres em cursos de computação e no mercado de TI vem recebendo atenção da literatura e de entidades governamentais e sociais. Embora diversas ações tenham sido realizadas para mudar esse cenário, pesquisadores enfatizam a importância de discutir o problema e abordar questões sobre diversidade, equidade e inclusão nos curr...

Bullying is a form of violence that profoundly affects people’s lives, influencing their educational outcomes and physical and psychological health. Computational technologies can help raise awareness about bullying and help stakeholders from a school context combat bullying and cyberbullying. Ubiquitous computing, in particular, enables designers...

A gamificação tem sido usada amplamente em contextos educacionais. Em casos em que as decisões de design não são documentadas, um diagnóstico da gamificação pode ser necessário para entender como os elementos de jogos formam os sistemas que engajam estudantes. Neste artigo, é relatada a experiência utilizando o 5W2H, um framework para design da gam...

A segunda edição do Workshop sobre Interação e Pesquisa de Usuários no Desenvolvimento de Jogos (WIPlay) é um workshop interdisciplinar que visa reunir as comunidades de desenvolvimento de jogos e de Interação Humano-Computador (IHC). Destinado a pesquisadores e profissionais interessados nos diversos aspectos da Interação Jogador-Computador, seu p...

Este artigo apresenta os resultados de uma análise da logística do Programa Nacional do Livro e do Material Didático (PNLD), que tem como propósito entregar, em tempo hábil e com custo viável, materiais didáticos de qualidade às escolas públicas em todo o país. Os resultados mostram que o problema é complexo: envolve diferentes processos e stakehol...

Slides da apresentação feita no EduComp 2023.

O Pensamento Computacional é definido como um processo de pensamento envolvido desde a formulação do problema até a sua representação. Pensar computacionalmente envolve um conjunto de habilidades cognitivas que ainda são difíceis de verificar, mensurar ou avaliar. Diante disso, propomos um artefato para apoiar docentes a verificar o exercício do Pe...

In challenging social contexts of technology design, such as those involving fighting the violence against children and adolescents, the consideration of human values is critical, as they influence people's social and cultural lives. Considering values when understanding a social problem is not a trivial activity due to the difficulty of working wi...

Na Universidade Federal do Paraná (UFPR), desde 2019 oferecemos uma disciplina obrigatória para estudantes ingressantes que foi concebida para promover o desenvolvimento de habilidades que serão necessárias para todo o curso e para a prática profissional ao longo da vida. A disciplina tem o propósito de apresentar o curso escolhido, a Computação e...

Death has become increasingly visible on social networks, especially after COVID-19, and Facebook addresses that with double standards: while some profiles remain active, others turn into memorials. This article investigates how Facebook’s system deals with dead users’ profiles either to support or restrict interactions concerning users’ deaths. Ou...

Texto base da narrativa para a disciplina de Introdução à Computação, criada para os cursos de Ciência da Computação e Informática Biomédica da Universidade Federal do Paraná. Detalhes sobre a fundamentação e aplicação da narrativa foram publicados no EduComp - Simpósio Brasileiro de Educação em Computação (no prelo). Este texto é um material compl...

People with speech and motor impairments may experience difficulties in interaction and learning, among other situations that can lead to emotional, social, and cognitive problems. Augmentative and alternative communication (AAC) is a research area that involves using non-oral modes as a complement or substitute for spoken language. The AAC support...

Esta pesquisa investigou o MeTA: Método para a Avaliação de Tecnologias Educacionais (TEs) acessíveis, que foi desenvolvido a partir de uma demanda do Ministério da Educação, em um processo inspirado na Avaliação Heurística e embasado no Design Universal. O MeTA busca promover o entendimento de acessibilidade sob uma perspectiva inclusiva, oferecen...

Computational thinking involves problems characterization and their solutions, which is concerned with how solutions are represented for an information-processing agent to execute them effectively. In the literature, different research examines the computational thinking domain from different perspectives and with different audiences. Even if the r...

Designing accessible digital games requires considering social, technical, and cultural aspects according to the diversity of the target audience. One way to address this diversity of audiences to promote accessibility is through adaptability, allowing a game to be customized according to the needs of its users. A Systematic Mapping Study was condu...

Computational thinking is an ability that has been considered essential for people living in a society mediated by technology. This ability can also be helpful to people with little or no experience with technology, for practicing basic Computational Thinking skills may help understanding how a technological device works and can be used. However, t...

This systematic literature mapping identifies the state of the art of gamification elements to user engagement, and collects contextual information to build a catalog of gamification elements. Based at 263 selected publications, 105 different elements were identified, as well as use intentions, contextual objectives, evaluation aspects and techniqu...

Context Software startups work under uncertain market conditions, constant time pressures, and extremely limited resources. Startup practitioners commonly adopt agile practices and lean development to build and release software quickly. Within this context, User eXperience (UX) work is critical for generating user value and creating a competitive a...

In challenging design contexts, such as the violence against children and adolescents, considering human values is critical as they influence people's social and cultural lives. Considering values when understanding a social problem is not a trivial activity due to the difficulty of working with abstract concepts, the complexity of people's lives,...

Profissionais que contribuem para a evolução da Computação frequentemente recebem prêmios atribuídos por entidades da área. Este trabalho apresenta o resultado de um mapeamento dos prêmios concedidos pela ACM, IEEE e SBC até o final de 2021, e destaca a necessidade de ampliar o espaço para mulheres no cenário de distribuição de prêmios no Brasil e...

Context: Open Design proposes a model of collaborative and voluntary work with full and free access to information, to the construction process and to the product resulting from the work. Open Design projects are dependent on the engagement of their participants, needing approaches that support engagement. Gamification uses game elements to induce...

Intense social media interaction, wearable devices, mobile applications, and pervasive use of sensors have created a personal information ecosystem for gathering traces of individual behavior. These traces are the digital legacy individuals build all through their lives. Advances in artificial intelligence have fed our dream to build artificial age...

Computational Thinking has been understood as an essential ability in a society mediated by technology. However, literature in the field shows that initiatives for developing this ability rarely address challenging contexts audiences. In this paper, we draw on the notion of mental models to relate the concepts of Computational Thinking and Digital...

Com mais de um ano de experiências no ensino remoto, talvez o questionamento mais recorrente que nos fazemos seja: como promover a interação em nossas aulas remotas? Os desafios são muitos e, as possibilidades, também. Neste artigo, apresentamos os principais desafios que enfrentamos em termos de interação com estudantes e mostramos estratégias e r...

Computational Thinking (CT) is considered one of the most needed abilities of the 21st Century as the usage of digital resources has become more and more frequent. Research on CT teaching has been growing over the last decade and Brazilian initiatives have focused on Elementary and High School students while less privileged audiences, such as non-l...

The vision of the ubiquity of computing, present since the ideas of Mark Weiser, takes concrete form today with the Internet of Things (IoT). The concept of a system in which digital and physical entities are linked through adequate information and communication technologies demands new ways of thinking its construction. At the same time, as new de...

Human Values, the fourth challenge listed in the Grand Research Challenges in Human-Computer Interaction in Brazil (GranDIHC-BR), between 2012 and 2022, presents aspects of Ethics alongside Privacy and Post-death Digital Legacy. The field of Ethics analyses practices, their principles, customs, and habits. Since computational techniques are not neu...

The term Dark Pattern has been used to define design patterns intentionally created to deceive users or favor the interests of parties other than users. Dark Patterns present socio-technical characteristics as something that happens when humans interact with technical artifacts in a given environment, causing annoyance, frustration, anger, and othe...

People who have motor disabilities associated with some difficulty in speech demand alternative means to interact with other people and the environment in which they are inserted. Augmentative and Alternative Communication (AAC) refers to all communication forms that can complement or replace speech. The practice of AAC mediated by computational ap...

Who wants to be immortal? While this rhetorical question seems to haunt humans, digital immortality is already a reality. Social networks have allowed and facilitated our digital footprints to remain forever at reach of Internet users. We will all die, on the other hand, our digital self may remain forever. Social media technology has also allowed...

Schools and universities face the great challenge of keeping students engaged in learning activities, and research communities strive to keep and share their history and culture. Among several methodological approaches, gamification has been used as a resource combined with teaching methodologies to engage and keep students participating. However,...

Motivation is a key element in the learning process, and using games for this goal is an undeniably attractive option. However, individuals with motor disabilities are still finding themselves excluded from many game-based school approaches. This paper presents a solution developed for people with motor and speech impairments that includes a game-b...

Automatic evaluation of computer source code can offer several benefits, especially for teachers and students enrolled in programming courses and activities. Automatic evaluation of skills in computer programming is a widely discussed topic in literature, with several different initiatives proposing different strategies to identify and measure stud...

Contextualized in the teaching of computer programming in Computing courses, this research investigates aspects and strategies for automatic source code assessment. Continuous on-time assessment of source codes produced by students is a challenging task for teachers. The literature presents different methods for automatic assessment of source code,...

Software start-ups develop innovative software products working with disruptive technologies in time pressure and market-driven environment. Recently, User eXperience (UX) has become a hot topic that interests software teams of start-ups. However, software and UX professionals have struggled to match UX practices into the development activities, pa...

Reconhecendo diferentes desafios do ensino de Computação e conscientes do contexto situado em que atuamos, desde 2019 oferecemos uma disciplina de Introdução à Ciência da Computação, como disciplina curricular obrigatória, no primeiro semestre do curso de Bacharelado em Ciência da Computação. Nessa disciplina, a ementa, o conteúdo programático e as...

BACKGROUND The use of computers as a communication tool by people with disabilities can serve as an alternative effective to promote social interactions and the more inclusive and active participation of people in society. OBJECTIVE This paper presents a systematic mapping of the literature that provides a survey of scientific contributions where...

Designing games to encourage players' positive and healthy behaviors is both a necessity and a challenge. Although the game research field has relevant contributions in literature, especially regarding gamification, serious games and persuasive computing, when the application domain is critical, such as education or health, it is necessary to under...

Research on teaching Computational Thinking has been growing over the last years, mainly focusing on Elementary and High School students. However, challenging audiences, such as Youth and Adults Education (YAE), are rarely addressed. This Master's research investigates Computational Thinking as a way to promote digital literacy and proposes a model...

This research is contextualized in the teaching of computer programming. Continuous assessment of source codes produced by students on time is a challenging task for teachers. The literature presents different methods for automatic evaluation of source code, mostly focusing on technical aspects. This research presents the A-Learn EvId method, havin...

The Human-Computer Interaction (HCI) community has reported a lack of well-established evaluation methods based on human values. Neglecting values in computing systems can result in a system that does not make sense to users, that does not serve stakeholders, and that can trigger undesirable impacts, difficult to predict and reverse, in the context...

Human-Data Interaction (HDI) is a growing field concerned by placing humans at the center of data flows and providing mechanisms for people to interact explicitly with systems and data. Understanding HDI from a sociotechnical perspective, we argue that technical and human issues must be approached in an interconnected way throughout a data lifecycl...

Consolidation is an important process to transform design objects from various sources into a coherent whole. In Open Design, the diversity of activities, design objects and participants involved implies in a rich context for Consolidation practice, but a challenging one in terms of features to support it. This paper presents a Conceptual Scheme cr...

Echoing what matters to us, our values pervade the criteria we apply in the judgment of the information we receive on social media when assigning to it a degree of relevance. In this era of “fake-news”, understanding how the values of a social group influence perception and intentions for sharing pieces of (mis)information can reveal critical aspec...

In collaborative software design scenarios, Consolidation is a key process for contributions from diverse participants to be understood, reviewed, and integrated into a coherent set of design objects. However, this process is complex because it acts at different times and objects throughout a design process , and few works in literature are devoted...

Creative education is a central theme in a world where the division between human and intelligent machines produces new work and social relationships. Many researchers and educators reproduce a controversial discourse where being creative is mandatory to ”succeed” professionally and personally in the Creative Society. Situated in a participatory ac...

The popularization of social media and the increasing consumption and dissemination of information online rise the concerns on the possible impacts of disinformation on a global scale. Although relevant progress to tackle disinformation online has been made recently, the problem seems to be still growing in space and complexity, affecting different...

Scientific/Academic events promote the meeting of researchers for the dissemination of their work to a scientific community. These events are dynamic, where several sessions can happen simultaneously and participants may have difficulty choosing which sessions to attend. Recommender Systems can support participants in this choice by offering recomm...

Technology can support people with disabilities to participate in social and economic life. Using relevant Human-Computer Interaction, as obtained through Intelligent User Interfaces, people with motor and speech impairments may be able to communicate in different ways. Augmentative and Alternative Communication supported by Computer Vision systems...

Escrever é uma arte e o estilo do pesquisador é um fator diferencial… desde que esse estilo seja bom. Neste relatório técnico, coloco na forma de itens os problemas mais comuns que tenho identificado durante minhas atividades de revisão de artigos e de orientação. Esses problemas gastam muita energia da pessoa que revisa e que, por problemas na for...

INTRODUCTION: Research to promote Computational Thinking (CT) has become frequent and carried out with the most different characteristics. Educational researchers argue that learning research needs to consider aspects of students' sociocultural context, regardless of what tools are being used and the contents involved. However, it is not known if,...

INTRODUCTION: Computational Thinking is a problem solving skill that became well known after Wing's article in 2006. Since then, several researchers have argued this way of thinking can be useful to all people, and much research has been done to promote the development of this skill with different audiences. OBJECTIVE: To discover the state of art...

Um dos maiores desafios da educação em Ciência da Computação é o processo de ensino e aprendizagem de programação. Mesmo que a programação esteja na essência da Computação, ela deve ser ensinada às luzes do desenvolvimento das habilidades relacionadas a resolução de problemas. Nesse sentido, este projeto de doutorado tem o objetivo de investigar e...

Pesquisas envolvendo Pensamento Computacional (PC) têm se estendido a diferentes públicos. Entretanto, a literatura mostra que ainda há públicos que têm recebido pouca atenção, especialmente aqueles em contexto desafiador, como a Educação de Jovens e Adultos (EJA). Neste artigo, apresentamos 9 princípios para guiar iniciativas com o público da EJA,...

This paper discusses Computational Thinking as a way to promote Digital Culture. Focusing on socially challenged audiences and contexts, we argue that Computational Thinking skills and concepts (e.g., abstraction, pattern recognition, algorithms) contribute to understanding, using and appropriation of computing technology, requiring, however, a sit...

This paper presents a challenge-based methodology for the development of Computational Thinking. Four challenges were proposed to practice Computational Thinking skills, such as abstraction, decomposition, pattern recognition, algorithms, data representation, simulation, among others. This methodology aims at stimulating the ability of students ent...

Inspired by the Open Software development model, Open Design is based on information and methodology applied to the design process, prioritizing free and open access and participation. In order to characterize Open Design in interactive computing systems and to identify the state of the art in this area, this paper presents a systematic mapping. Ba...

Computing systems have the potential to contribute with interactive and low-cost solutions to support Augmentative and Alternative Communication (AAC) by applying different technologies to address different users' characteristics and needs. Computer Vision-based AAC systems can support users with motor difficulties by tracking and recognizing their...