Tecnologias ubíquas nas aulas de ciências naturais : da surpresa à valorização e utilização plena : um estudo longitudinal

Tese de doutoramento, Educação (Didática das Ciências), Universidade de Lisboa, Instituto de Educação, 2014

Um estudo longitudinal sobre o efeito da formação no índice de autoeficácia e nos níveis de utilização das TIC dos professores

Tese de doutoramento, Educação (Tecnologias de Informação e Comunicação na Educação), Universidade de Lisboa, Instituto de Educação, 2015

Exploring Variations in Teachers' Work, Lives and Their Effects on Pupils: Key Findings and Implications from a Longitudinal Mixed Methods Study

This article outlines the research design of a large‐scale, longitudinal research study in England intended to describe and explore variations in teachers' work, lives and their effects on pupils' educational outcomes. The study, funded by the Department for Education and Skills (DfES) and incorporated into the Teaching and Learning Research Programme (TLRP) as an ‘Associate Project’, used an innovative mixed‐methods research design to create case studies of 300 teachers in Years 2, 6 and 9. The research was conducted over three consecutive academic years and collected a wide range of data through interviews, questionnaire surveys of teachers' and pupils' views and assessment data on pupils' attainments in English and mathematics. The text summarises the main findings from the research in relation to four interconnected themes of the study: Professional Life Phases; Professional Identity; Relative Effectiveness; and Resilience and Commitment. The influence of school context, in terms of level of social disadvantage of pupil intake, is also investigated. Key findings and their implications for policy and practice are highlighted.

Four years on: a longitudinal study assessing the impact of a virtual community of practice

This paper explores the long term impact of a virtual learning community (VLC) from the perspective of community members and their employing organization. It argues that membership potentially has a significant impact on individual identities and careers, and that managed communities provide an important means for strategic workforce development. The study evaluates the impact of membership of a VLC over a four year period within the context of the theoretical frameworks of communities of practice and identity theory. The concept of boundary crossing is also explored in relation to VLCs. The paper considers the benefits to host organisations in supporting structured VLCs as a means of enabling workforce development and supporting change and innovation.

Places and preferences: a longitudinal analysis of self-selection and contextual effects

Contextual theories of political behaviour assert that the contexts in which people live influence their political beliefs and vote choices. Most studies of political assimilation, however, rely on cross-sectional data and fail to distinguish contextual influence from self-selection of individuals into areas. This paper advances understanding of this longstanding controversy by tracking thousands of individuals over an 18-year period in England. We observe individual-level left-right position and party identification before and after residential moves across areas with different political orientations. We find evidence of both non-random selection into areas and assimilation of new entrants to the majority political orientation. However, these effects are contingent on the type of area an individual moves to and, moreover, contextual effects are weak and dominated by the larger effect of self-selection into areas.

Introduction to the Special Section Value Development from Middle Childhood to Early Adulthood: New Insights from Longitudinal and Genetically Informed Research

Research into values at an early age has only started recently, although it has expanded quickly and dynamically in the past years. The purpose of this article is twofold: First, it provides an introduction to a special section that aims to help fill the gap in value development research. The special section brings together four new longitudinal and genetically informed studies of value development from the beginning of middle childhood through early adulthood. Second, this article reviews recent research from this special section and beyond, aiming to provide new directions to the field. With new methods for assessing children's values and an increased awareness of the role of values in children's and adolescents' development, the field now seems ripe for an in-depth investigation. Our review of empirical evidence shows that, as is the case with adults, children's values are organized based on compatibilities and conflicts in their underlying motivations. Values show some consistency across situations, as well as stability across time. This longitudinal stability tends to increase with age, although mean changes are also observed. These patterns of change seem to be compatible with Schwartz's (1992) theory of values (e.g., if the importance of openness to change values increases, the importance of conservation values decreases). The contributions of culture, family, peers, significant life events, and individual characteristics to values are discussed, as well as the development of values as guides for behavior.

Reciprocal relations across time between basic values and value-expressive behaviors: A longitudinal study among children

Tracing children’s values and value-expressive behavior over a sixth-month period, we examined stability and change of values and behavior and the reciprocal relations between them. Three hundred and ten sixth-grade students in Italy completed value and value-expressive behavior questionnaires three times in three-month intervals during the scholastic year. We assessed Schwartz's (1992) higher-order values of conservation, openness to change, self-enhancement, and self-transcendence, as well as their respective expressive behaviors. Reciprocal relations over time between values and behaviors were examined using a cross-lagged longitudinal design. Results showed that values and behaviors had reciprocal longitudinal effects on one another, after the stability of the variables was taken into account (i.e., values predicted change in behaviors, but also behaviors predicted change in values). Our findings also revealed that: (1) values were more stable over time than behaviors, and (2) the longitudinal effect of values on behaviors tended to be stronger than the longitudinal effect of behaviors on values. Findings are discussed in light of the recent developmental literature on value change.

Using a whole person approach to support people with cancer: a longitudinal, mixed methods service evaluation

Introduction: Improved models of care are needed to meet all the support needs of people with cancer, which encompass psychological, emotional, physical, spiritual, sexual, occupational, social and existential needs. The aim of this paper is to (1) evaluate short and long-term impacts of using a whole person approach to support people with cancer on the Living Well with the Impact of Cancer Course (LWC); (2) use these data to inform strategic decisions about future service provision at Penny Brohn UK. Methods: Longitudinal mixed-methods service evaluation (n=135). Data collected included health related quality of life (HRQoL) (FACIT-SpEx); Concerns (types and severity - MYCaW); lifestyle behaviour (bespoke questionnaire) and participants’ experiences over 12 months post course. Results: Statistically and clinically significant improvements from baseline - 12 months in severity of MYCaW Concerns (n=64; p<0.000) and mean total HRQoL (n=66; p<0.000). The majority of MYCaW concerns were ‘psychological and emotional’ and about participants’ wellbeing. Spiritual, emotional and functional wellbeing contributed most to HRQoL improvements at 12 months. Barriers to maintaining healthy lifestyle changes included lack of support from family and friends, time constraints, and returning to work. 3-6 months post-course was identified as the time when more support was most likely to be needed. Conclusions: Using a whole person approach for the LWC enabled the needs of participants to be met, and statistically and clinically significant improvements in HRQoL and MYCaW Concerns were reported. Qualitative data analysis explored how experiencing whole person support enabled participants to make and sustain healthy lifestyle changes associated with improved survivorship. Barriers experienced to making health behaviour change were also identified. These data then informed wider and more person-centred clinical provision to increase the maintenance of positive long-term behaviour changes. Comparison of whole person approaches to cancer treatment and support and standard care are now urgently needed.

Reflections Upon the Experience of Longitudinal Research into Cultural Event Production in a Developing Destination

Longitudinal studies have the capacity to provide more nuanced explanations of tourism and event phenomena, taking account of complexity, change and context. This paper is a self-reflexive, methodological study of research practice. It investigates my experience of engaging with cultural event producers in an emerging destination over a seven-year period. Focussing on my research journey, it considers the social and relational dynamics associated with longitudinal research. Reciprocal relations and co-production of cultural events reveal nuanced information and expose fluid relationships and networks. Long-term engagement uncovers evolving practices and develops understanding of event processes embedded within their wider context.

Repeat-measures longitudinal study evaluating behavioural and gastrointestinal symptoms in children with autism before, during and after visceral osteopathic technique (VOT)

Summary: This study investigated the influence of visceral osteopathic technique (VOT) on the behaviour and gastrointestinal (GI) symptoms of children with autism using a validated questionnaire to measure outcome. Methods: The 49 recruited autistic children suffered GI symptoms and impaired social interaction and communication, but were otherwise healthy. Thirty minute VOT sessions were applied to the abdomens of the children over a 6 week period whilst their GI and behavioural parameters were recorded. Outcomes were measured using a modified Autism Research Institute Secretin Outcomes Survey Form, the ‘S.O.S Form’. Four questionnaires were completed by parents before treatment (control period), four completed during treatment (treatment period) and one completed six weeks after the last treatment (post treatment period). Subjects acted as their own controls. Results: Results from repeat ANOVA demonstrated a positive, overall significant, symptomatic improvement (p < 0.05) in ‘social behaviour and communication’ and ‘digestive signs’ subscales of the questionnaire comparing before and after VOT. Significant improvement in vomiting (p = 0.00029), poor appetite (p = 0.039) and eye contact (p = 0.035) was also demonstrated after VOT application. Discussion and conclusion: The experimental hypothesis has been supported indicating a positive effect of VOT on some of the measured GI symptoms and behavioural patterns in this group of children with autism. This data indicates that the application of VOT may be of benefit to children with autism and GI disturbance.

Análise quantitativa longitudinal do desempenho dos alunos do Ensino Secundário (2006-2011)

Dissertação para obtenção do Grau de Mestre em Ensino de Matemática no 3º Ciclo do Ensino Básico e no Secundário

O papel das notícias na construção da participação cívica e política dos jovens em Portugal: Estudo de caso longitudinal (2010-2011)

Tese apresentada para cumprimento dos requisitos necessários à obtenção do grau de Doutor em Ciências da Comunicação (especialidade em estudos dos Media e do Jornalismo)

Agentes de saúde comunitária: formar ou reformar? Estudo longitudinal de avaliação do impacto da formação no desempenho dos agentes da Saúde Comunitária da Região Sanitária de Bolama, Guiné - Bissau

A escassez de recursos humanos da saúde é um problema que afecta especialmente os países em desenvolvimento que recorrem frequentemente a programas baseados no trabalho de Agentes de Saúde Comunitária (ASC). Os ASC são pessoas escolhidas dentro das suas comunidades que são treinadas para dar resposta a pequenas enfermidades. Na Guiné-Bissau, as doenças diarreicas na infância são um dos principais problemas de saúde, tendo os ASC um papel fundamental no diagnóstico e tratamento destas doenças nas zonas mais rurais como a Região Sanitária de Bolama (RSB). O presente estudo focou-se especificamente numa população de ASC da RSB, tendo participado 22 dos 28 ASC existentes na Região. Pretendia-se perceber qual o impacto que a formação realizada sobre doenças diarreicas tinha sobre a efectividade do diagnóstico e tratamento deste tipo de doenças realizado pelos ASC em crianças com menos de 5 anos. Para isso, realizou-se um estudo longitudinal tendo sido efectuadas três avaliações em três momentos distintos – uma avaliação antes da realização de uma formação sobre doenças diarreicas, uma avaliação um mês após a formação e uma última avaliação 3 meses após a formação. Foi aplicada uma grelha de observação da consulta do ASC sempre que havia uma suspeita de uma criança com diarreia, em que se avaliou quais os Sinais e Sintomas, o Diagnóstico e os Tratamentos identificados pelo ASC. Uma grelha igual foi entregue ao médico, que funcionou como padrão de verificação externo. Foi aplicado ainda um questionário de identificação de características sócio-demográficas dos ASC em estudo. Os dados recolhidos foram alvo de tratamento estatístico, tendo sido aplicada a análise de Variância de Friedman e o teste Q-Cochran para comparação dos sucessos obtidos pelos ASC na identificação de itens, nos diferentes momentos de avaliação. Foi ainda aplicado um modelo de regressão logística para averiguar a possível influência de algumas características sócio-demográficas dos ASC sobre a efectividade do diagnóstico. Os resultados obtidos revelam que os ASC melhoram significativamente o seu desempenho imediatamente após a formação mas, 3 meses depois, a efectividade de diagnóstico e tratamento de doenças diarreicas diminui também de forma significativa. Não foi encontrada evidência estatística de que haja influência de alguma característica sócio-demografica sobre a melhoria na efectividade do diagnóstico e tratamento de doenças diarreicas. Os resultados obtidos demonstram que a formação feita aos ASC é, de facto, uma mais-valia para o seu desempenho mas, o impacto da formação acaba por se desvanecer 3 meses após a formação. Este facto pode ser justificável pela perda de competências e pela redução da utilização de algoritmos por parte dos ASC ao longo do tempo, e por factores relacionados com o suporte logístico e material que lhes é dado. A falta de acompanhamento, suporte e formação contínua podem ser também uma razão justificativa da diminuição da efectividade três meses após a formação. É fundamental ter sempre em conta que a selecção, o acompanhamento dos ASC, o suporte logístico e material e a formação continua destes Agentes é tão importante para o sucesso dos programas quanto a formação inicial ministrada.

Relationship of physical activity with motor skills, aerobic fitness and body fat in preschool children: a cross-sectional and longitudinal study (Ballabeina).

Adiposity, low aerobic fitness and low levels of activity are all associated with clustered cardiovascular disease risk in children and their high prevalence represents a major public health concern. The aim of this study is to investigate the relationship of objectively measured physical activity (PA) with motor skills (agility and balance), aerobic fitness and %body fat in young children. This study is a cross-sectional and longitudinal analyses using mixed linear models. Longitudinal data were adjusted for baseline outcome parameters. In all, 217 healthy preschool children (age 4-6 years, 48% boys) participated in this study. PA (accelerometers), agility (obstacle course), dynamic balance (balance beam), aerobic fitness (20-m shuttle run) and %body fat (bioelectric impedance) at baseline and 9 months later. PA was positively associated with both motor skills and aerobic fitness at baseline as well as with their longitudinal changes. Specifically, only vigorous, but not total or moderate PA, was related to changes in aerobic fitness. Higher PA was associated with less %body fat at baseline, but not with its change. Conversely, baseline motor skills, aerobic fitness or %body fat were not related to changes in PA. In young children, baseline PA was associated with improvements in motor skills and in aerobic fitness, an important determinant of cardiovascular risk.

Long-term citalopram administration reduces responsiveness of HPA axis in patients with major depression: relationship with S-citalopram concentrations in plasma and cerebrospinal fluid (CSF) and clinical response.

RATIONALE: A dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is a well-documented neurobiological finding in major depression. Moreover, clinically effective therapy with antidepressant drugs may normalize the HPA axis activity. OBJECTIVE: The aim of this study was to test whether citalopram (R/S-CIT) affects the function of the HPA axis in patients with major depression (DSM IV). METHODS: Twenty depressed patients (11 women and 9 men) were challenged with a combined dexamethasone (DEX) suppression and corticotropin-releasing hormone (CRH) stimulation test (DEX/CRH test) following a placebo week and after 2, 4, and 16 weeks of 40 mg/day R/S-CIT treatment. RESULTS: The results show a time-dependent reduction of adrenocorticotrophic hormone (ACTH) and cortisol response during the DEX/CRH test both in treatment responders and nonresponders within 16 weeks. There was a significant relationship between post-DEX baseline cortisol levels (measured before administration of CRH) and severity of depression at pretreatment baseline. Multiple linear regression analyses were performed to identify the impact of psychopathology and hormonal stress responsiveness and R/S-CIT concentrations in plasma and cerebrospinal fluid (CSF). The magnitude of decrease in cortisol responsivity from pretreatment baseline to week 4 on drug [delta-area under the curve (AUC) cortisol] was a significant predictor (p<0.0001) of the degree of symptom improvement following 16 weeks on drug (i.e., decrease in HAM-D21 total score). The model demonstrated that the interaction of CSF S-CIT concentrations and clinical improvement was the most powerful predictor of AUC cortisol responsiveness. CONCLUSION: The present study shows that decreased AUC cortisol was highly associated with S-CIT concentrations in plasma and CSF. Therefore, our data suggest that the CSF or plasma S-CIT concentrations rather than the R/S-CIT dose should be considered as an indicator of the selective serotonergic reuptake inhibitors (SSRIs) effect on HPA axis responsiveness as measured by AUC cortisol response.