Cristina Silva

ORCID: 0000-0001-6238-2663
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About
Contact & Profiles
Research Areas
  • Reading and Literacy Development
  • Writing and Handwriting Education
  • Language Development and Disorders
  • Education and Technology Integration
  • Linguistics and Education Research
  • Child Development and Digital Technology
  • Hearing Impairment and Communication
  • Education and Digital Technologies
  • Business and Management Studies
  • Chemistry Education and Research
  • Physical Education and Sports Studies
  • Education Systems and Policy
  • Cognitive and developmental aspects of mathematical skills
  • Academic Research in Diverse Fields
  • Linguistics and Language Studies
  • Education Pedagogy and Practices
  • Nursing education and management
  • Workplace Health and Well-being
  • Physical Education and Gymnastics
  • Student Assessment and Feedback
  • Primate Behavior and Ecology
  • Horticultural and Viticultural Research
  • Animal Vocal Communication and Behavior
  • Healthcare Regulation
  • Science and Science Education

Universidade do Estado do Amazonas
2025

Universitario Francisco de Asís
2024

Hospitais da Universidade de Coimbra
2024

ISPA - Instituto Universitário
2002-2019

Instituto Superior de Educação e Ciências
2019

Instituto Politécnico de Lisboa
2019

Institut de Biologia Molecular de Barcelona
2017

Instituto Superior de Educação e Trabalho
2017

University of Minho
2013

Illinois School Psychologists Association
2013

10.1016/j.learninstruc.2005.12.005 article EN Learning and Instruction 2006-02-01

Abstract The ability of the guanine-rich strand human mitochondrial DNA (mtDNA) to form G-quadruplex structures (G4s) has been recently highlighted, suggesting potential functions in mtDNA replication initiation and stability. G4 raise question their recognition by factors associated with nucleoid. transcription factor A (TFAM), a high-mobility group (HMG)-box protein, is major binding protein plays critical role its expression maintenance. HMG-box proteins are pleiotropic sensors structural...

10.1038/srep43992 article EN cc-by Scientific Reports 2017-03-09

The Negro River is the sixth largest river in world terms of water discharge. It distinguished by complexity its system and ecological morphological importance. middle lower courses constitute megacomplex environments, two fluvial archipelagos (Mariuá Anavilhanas) represent a focal region for study great anabranching rivers worldwide. This examines geomorphological characteristics Mariuá Archipelago, with particular attention to their relationship dynamics, units, sedimentary...

10.2139/ssrn.5087164 preprint EN 2025-01-01

Our aim was to assess the impact of an invented spelling programme conducted in small groups on children's written language acquisition Portuguese. We expected experimental group have better post-test results than control and reading. Participants were 160 preschool-age children who randomly divided into a group. Their age, cognitive ability, knowledge letters phonological abilities controlled. Children's reading evaluated pre- post-test. In-between, participated story readings. The showed...

10.1080/01443410.2014.950947 article EN Educational Psychology 2014-08-26

ABSTRACTS The objective of this study was to identify causal relationships between the development phonological abilities and progress in knowledge about writing preschool children. looked at 71 preschool‐aged children, who were divided into three groups whose governed by presyllabic criteria. children first group subjected an experimental intervention that focused on intended lead them evolve such a way as produce syllabic writing. second object training aimed units. third set served...

10.1598/rrq.37.4.6 article FR Reading Research Quarterly 2002-10-12

Various authors argue that invented spelling activities with preschool-age children help them to analyse the oral segments of words and discover relations between those corresponding letters. Several studies have shown impact programmes on early spelling, but few experimental ones looked at reading. Our aim was assess an programme children’s We worked 108 five-year-old Portuguese who were not able read or write. Their initial cognitive ability, knowledge letters phonological awareness...

10.17239/jowr-2013.05.02.3 article EN cc-by-nc-nd Journal of Writing Research 2013-10-01

Abstract The objective of this study was to assess the impact on phonological skills a training program that intended lead preschool children move from prephonetic spellings early phonemic spellings. participants were 30 who divided into two groups (experimental and control groups) equivalent in terms children's intelligence, number letters with which they familiar nature their invented spelling. intervention proved effective, inasmuch as experimental group moved spellings, whereas those did...

10.1080/01443410303218 article EN Educational Psychology 2003-01-01

A imersão das crianças num mundo de referentes escritos e interacções em torno do objecto “escrita”, permite-lhes fazer um conjunto descobertas sobre a natureza funções código alfabético previamente ao ensino formal. Contudo riqueza desses contactos frequência transações infantis antes da entrada para escola é variável, fazendo com que as cheguem à diferentes estádios relativamente percepção têm alfabético. massificação reflecte-se estratégias uniformes descentradas confusões conceptuais...

10.14417/ap.140 article PT cc-by-nc Análise Psicológica 2012-11-30

To clarify the distribution and status of chimpanzees in Guinea-Bissau on border with Guinea, we conducted an interview survey hunters 110 60 villages respectively. Based results survey, northern limit appears to be located between Corubal river (which once was suspected represent limit) Gabù-Bafata road. Chimpanzees were reported common most surveyed area are not a game species. Crop-raiding by mentioned interviewees. The implementation land management system that maintains mosaic habitats...

10.1159/000259335 article EN Folia Primatologica 2009-02-14

Our aim in this study was to test two programmes designed lead preschool children use conventional letters spell the initial consonants of words. These differed terms characteristics vowels that followed those consonants. The participants were 45 five-year-old Portuguese whose spelling pre-syllabic - they used strings random their spelling, making no attempt match oral written language. They divided into experimental and a control group. Their age, level intelligence, phonological awareness...

10.17239/jowr-2009.01.03.3 article EN cc-by-nc-nd Journal of Writing Research 2009-11-01

ABSTRACT Our aim was to analyze the impact of characteristics occlusive versus fricative phonemes used in writing programs on evolution preschool children's writing. The participants were 39 5-year-old graphoperceptive children. Their intelligence, number letters known, and phonological skills controlled. evaluated a pretest posttest using words beginning with fricatives occlusives. Between two tests, experimental Group 1 trained associations between 2 phonemes. control group classified...

10.1017/s0142716410000202 article EN Applied Psycholinguistics 2010-08-27

Neste artigo é feita uma revisão de um conjunto estudos sobre a escrita infantil antes do ensino formal e literacia familiar. O ponto vista estrutural Ferreiro (1988) que as crianças pré-escolares evoluem linearmente 1ª fase em escritas não têm conta aspectos linguísticos até última alfabéticas, contrariado por demonstram heterogeneidade dos percursos infantis à compreensão princípio alfabético. Em relação familiar, realçada das práticas familiares da sua frequência, qual estará associada às...

10.14417/ap.841 article PT cc-by-nc Análise Psicológica 2014-06-07

RESUMO Vários investigadores mostraram que actividades de escrita inventada com crianças em idade pré-escolar contribuem para a aquisição da literacia, tendo um impacto positivo na evolução sua e consciência fonológica. O nosso objectivo foi avaliar o programa leitura. Participaram 60 Portuguesas 5 anos não sabiam ler nem escrever. Foram aleatoriamente divididas dois grupos, experimental controlo, equivalentes quanto às letras conhecidas, fonológica inteligência. grupo participou num...

10.1590/0102-37722015021639137144 article PT cc-by-nc Psicologia Teoria e Pesquisa 2015-06-01

O objectivo deste estudo é investigar o impacto de instruções orientadas para processo revisão através suportes estruturados em grelhas, que funcionaram como regulador do revisão. Participaram neste 30 crianças 4º ano escolaridade, divididas num Grupo experimental e controle. Foram construídas três cada uma delas com orientações sobre a ortografia, coesão coerência, usadas pelo grupo experimental. Foi proporcionado também um feedback específico natureza dos erros lacunas coerência da versão...

10.1590/s0102-79722013000100019 article PT cc-by Psicologia Reflexão e Crítica 2013-01-01

Este artigo procura avaliar o efeito de diversos programas intervenção que incidiram sobre a apreensão várias regras ortográficas contextuais. No Estudo 1 participaram 50 crianças com dificuldades aprendizagem do 2º ano escolaridade foram divididas em 5 grupos. Para avaliar-se evolução pré e pós-teste efectuou-se um ditado nos dois momentos avaliativos incluía 20 palavras cuja grafia integrava regra contextual foi objecto intervenção. A no Grupo Experimental uma sequência completa tarefas...

10.14417/ap.247 article PT cc-by-nc Análise Psicológica 2012-12-04
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