Latest preprints

• How much does lobbying matter in a constituent assembly? Indigenous lobbying and the constitutionalization of social rights in Venezuela in 1999

  Victor Gabriel da Silva Santos Megia, Matheus Emilio Pesce

  Submitted 09/01/2026 - Posted 09/25/2026

  Versions: 2

  • indigenous lobbying
  • constitution-making
  • indigenous rights
  • Venezuela
  • political influence

  • PDF (Portuguese)
• Implications of the Integrated Action Program for Retirees [PAI] on healthy aging among teachers

  Dlane Lima Frota, Regina Heloisa Maciel

  Submitted 08/04/2026 - Posted 09/25/2026

  • retirement
  • faculty member
  • teacher
  • healthy aging
  • sense of coherence

  • PDF (Portuguese)
• Assessment and formative impact of entrepreneurial project-based learning in technical-vocational education: the "Small dreams, big purposes" case study

  Delvy Benjamin Paredes Peralta

  Submitted 09/10/2026 - Posted 09/25/2026

  • Technical-Vocational Education (TVE), Project-Based Learning (PBL), Youth Entrepreneurship, Directorial Competencies, Web Development, Methodological Adaptation.

  • PDF (Spanish)
• Effects of Intermittent Fasting Combined with a Ketogenic or Carnivore Diet on Inflammatory Markers in Adults with Overweight, Obesity, or Metabolic Syndrome: A Meta-Analysis

  Thiago de Sousa Siqueira, Hércules Kanaan Pereira Sousa, Ricardo Rezende de Queiroz

  Submitted 08/04/2026 - Posted 09/25/2026

  • Intermittent fasting
  • Ketogenic diet
  • Inflammation
  • C-reactive protein
  • Interleukin-6
  • Tumor necrosis factor-alpha
  • Obesity
  • Metabolic syndrome
  • Meta-analysis

  • PDF (Portuguese)
• Mathematics teaching and Piagetian concepts: a literature review

  Ana Clara Moreira de Almeida, Neyfsom Carlos Fernandes Matias

  Submitted 09/10/2026 - Posted 09/25/2026

  • piaget
  • mathematics
  • teaching
  • literature review

  • PDF (Portuguese)
• FLORESTAN FERNANDES AS A POLITICAL THINKER OF REDEMOCRATIZATION (1978–1985): PRODUCTIVE TENSIONS IN BRAZILIAN SOCIAL SCIENCES

  Thais Florencio de Aguiar, Alexander Couto Englander, Ronaldo Tadeu de Souza

  Submitted 09/10/2025 - Posted 09/25/2026

  Versions: 3

  • political science
  • autocracy
  • Florestan Fernandes
  • democratization
  • civil-military dictatorship

  • PDF (Portuguese)
• Reinvention pedagogy: bricolage as a teaching strategy in the face of scarcity in multidisciplinary public education

  Gláucia de Moraes

  Submitted 09/08/2026 - Posted 09/25/2026

  • Pedagogy of Reinvention
  • Pedagogical Bricolage
  • Teacher Knowledge
  • Multidisciplinary Teaching
  • Educational Innovation.

  • PDF (Portuguese)
• Use of the refined consensus model of PCK as a methodological construct in science education research: a literature review from 2017 to 2024

  Stefannie de Sá Ibraim, Poliana Flávia Maia, Leandro Antonio de Oliveira

  Submitted 09/24/2026 - Posted 09/25/2026

  • Refined Consensual Model
  • PCK
  • RCM
  • Science Education

  • PDF (Portuguese)
• Sum of proper divisors: a general algebraic identity and perfect numbers

  Imanol Urcola

  Submitted 09/24/2026 - Posted 09/25/2026

  • perfect numbers
  • sigma function
  • Euclid-Euler Theorem
  • proper divisors
  • algebraic identity

  • PDF (Spanish)
• “Destiny?”: non-formal education and competing projects of society

  Hadassa Lucena

  Submitted 09/24/2026 - Posted 09/25/2026

  • non-formal education
  • social function of education
  • popular education
  • social reproduction
  • emancipation

  • PDF (Portuguese)
• Ethnopharmacological Uses of African-Origin Medicinal Plants in Afro-Brazilian Traditional Medicine: Implications for Integrative Medicine, Biocultural Conservation and Global Health

  Jonatas José Silva, Estélio Gomberg, Luana Luzia Santos Pires, Emanoel Campos, Raul Tavares, Thayná Fortunato, Lilia Aparecida Salgado de Morais, Emerson Lucena

  Submitted 09/24/2026 - Posted 09/25/2026

  • ethnopharmacology
  • African traditional medicine
  • integrative medicine
  • medicinal plants
  • African diaspora
  • Afro-Brazilian communities
  • biocultural conservation

  • PDF (Portuguese)
• Founding myths, collective memory, and narratives: children’s perspectives on Brazil

  Luciana Ponce Bellido

  Submitted 09/04/2026 - Posted 09/25/2026

  • founding myths
  • collective memory
  • national identity
  • primary education

  • PDF (Portuguese)
• SELF-HANDICAPPING AND SELF-EFFICACY BELIEFS IN HIGH SCHOOL

  Vitória Eduarda Rocha Simões Suzarte, Paula Mariza Zedu Alliprandini

  Submitted 04/04/2025 - Posted 09/25/2026

  Versions: 2

  • Self- Handicapping
  • Self-Efficacy
  • Academic Performance
  • Students
  • High School

  • PDF (Portuguese)
• The theme as a discursive practice in carnival judging: semiotics, image, and polychromy in the 1989 Beija-Flor Parade: Rats and Vultures, Let Go of My Costume by Joãosinho Trinta

  Alessandro Messias

  Submitted 09/20/2026 - Posted 09/25/2026

  • Discourse
  • Semiotics
  • Polychromy
  • Theme
  • Carnival

  • PDF (Portuguese)
• From correction to regulation: didactic gestures in text rewriting and learning to write

  Eduardo Lucas Sousa Eneas, Thereza Sophia Jacome Pires, Bárbara Tayná Santos Eugênios da Silva Dantas

  Submitted 09/19/2026 - Posted 09/25/2026

  • Didactic gestures
  • Text rewrting
  • Formative assessment
  • Teacher correction
  • Writing instruction

  • PDF (Portuguese)
• Chemistry and the "non-chemical": resonances in science and art

  Leonardo Moreira

  Submitted 09/08/2026 - Posted 09/24/2026

  • science education
  • scientific literacy
  • Science and art
  • Augusto Boal
  • Theatre

  • PDF (Portuguese)
• Impacts of Environmental Variables on School Efficiencies: A Two-Stage DEA Analysis for the State Public School Network of Espírito Santo in 2023

  Guilherme Armando de Almeida Pereira, Kiara de Deus Demura, Antonio Ricardo Freislebem da Rocha, Darlan Báfica Gois

  Submitted 09/04/2026 - Posted 09/24/2026

  • two-stage DEA
  • school efficiency
  • paebes questionnaires
  • INEP indicators

  • PDF (Portuguese)
• Where inequalities are concentrated: retention, treatment and viral suppression among Indigenous people living with HIV in Brazil, 2018–2021

  Diego Agostinho Calixto, Jacinta de Fátima Sena

  Submitted 07/31/2026 - Posted 09/24/2026

  • HIV
  • inequalities
  • intercultural education
  • Public policy
  • Primary Health Care

  • PDF (Portuguese)
• Flujos de gases de efecto invernadero en plantaciones jóvenes de Tectona grandis L. f. y Gmelina arborea Roxb. en Costa Rica utilizando la técnica de covarianza de remolinos

  David Antonio Carvajal Arroyo, Ana Gabriela Salazar Ruiz, Jose Felix Rojas Marín, Rafael Angel Murillo Cruz, Mónica Lisbeth Cort´és Cortés, Diana Mora Campos Mora Campos, Ana Paula Pérez Poveda, Luis Felipe Herrera Jiménez, Federico Alice Guier

  Submitted 09/09/2026 - Posted 09/24/2026

  • turbulent flows
  • evapotranspiration

  • PDF (Spanish)
• Agronomic performance of sweet cassava genotypes in contrasting Cerrado environments in Goiás

  Marco Acevedo Barona, Eduardo Alano Vieira, Josefino Freitas Fialho, Vilmar da Silva Junior, Bruna Cabral, Weslley Oliveira Goncalves

  Submitted 04/12/2026 - Posted 09/23/2026

  Versions: 2

  • Manihot esculenta Crantz
  • root yield
  • genotype x environment interaction
  • principal component analysis
  • cultivar evaluation

  • PDF