481 research outputs found

    Organizational Characteristics and Performance of Export Promotion Agencies: Portugal and Ireland compared

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    Export Promotion Agencies (EPAs) have been in operation in developed countries since the beginning of the 20th century to improve the competitiveness of firms by increasing knowledge and competences applied to export market development.Export Promotion Agencies; Organizational Performance; Portugal; Ireland

    Body image-related cognitive fusion as a main mediational process between body-related experiences and women's quality of life

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    Ferreira, C., & Trindade, I.A. (2015). Body image-related cognitive fusion as a main mediational process between body-related experiences and women's quality of life. Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity, 20 (1), 91-97. doi: 10.1007/s40519-014-0155-y.Purpose: Although the experience of body image has been considered an important indicator of women’s psychological quality of life (QoL), it has also been suggested that the impact of unwanted body-related experiences on QoL may be mediated by emotional regulation processes. The aim of the current study was therefore to explore for the first time the role of body image-related cognitive fusion on these associations. Methods: This study comprised 779 young females who completed self-report measures. A path analysis was conducted to explore whether BMI, body dissatisfaction, and feelings of inferiority based on physical appearance would impact on psychological QoL through body image-related cognitive fusion. Results: The model explained 39% of psychological health, and revealed an excellent fit. Results showed that BMI did not directly impact on psychological health. Furthermore, the effects of increased body dissatisfaction and feelings of inferiority based on physical appearance on psychological health were fully and partially mediated by body image-related cognitive fusion, respectively. Conclusions: These findings suggest that the presence of body image-related negative experiences does not necessarily lead to impairment in women’s quality of life, which is rather dependent upon one’s ability to observe these unwanted experiences as transient and subjective. Therefore, intervention programs aiming at increasing women’s quality of life should focus on targeting emotional regulation processes in order to develop the ability to pursue life goals and values, even in the presence of unwanted experiences concerning body image

    Explaining rigid dieting in normal-weight women: The key role of body image inflexibility

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    Ferreira, C., Trindade, I.A., & Martinho, A. (2016). Explaining rigid dieting in normal-weight women: the key role of body image inflexibility. Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity, 21(1), 49–56. doi: 10.1007/s40519-015-0188-x.Restrictive dieting is an increasing behavior presented by women in Western societies, independently of their weight. There are several known factors that motivate diet, namely a sense of dissatisfaction with one’s body and unfavorable social comparisons based on physical appearance. However, dieting seems to have a paradoxical effect and has been considered a risk factor for weight gain and obesity in women, and associated with maladaptive eating. Nevertheless, the study of the emotional regulation processes that explain the adoption of inflexible and rigid dietary patterns still remains little explored. In this line, the present study aims to explore why normal-weight women engage in highly rigid and inflexible diets. We hypothesize that body and weight dissatisfaction, and unfavorable social comparisons based on physical appearance with peers explain the adoption of inflexible eating rules, through the mechanism of body image inflexibility. The study comprised 508 female college students who presented BMIs between 18.5 and 25. Path analyses were conducted to explore the study’s hypotheses. Results revealed that the model explained 43% of inflexible eating and revealed excellent fit indices. Furthermore, the unwillingness to experience unwanted events related to body image (body image inflexibility) mediated the impact of body dissatisfaction and unfavorable social comparisons on the engagement in inflexible eating rules. This study highlights the relevance of body image inflexibility to explain rigid eating attitudes, and it seems to be an important avenue for the development of interventions focusing on the promotion of adaptive attitudes towards body image and eating in young women

    Do shame and perfectionistic self-presentation explain the link between early affiliative memories and eating psychopathology?

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    This study explored a model examining the impact that early affiliative memories (with family and peers) presents on eating psychopathology, and whether this link is carried by the mechanisms of external shame and body image-related perfectionistic self-presentation. This study’s sample comprised 480 female college students, who completed the self-report measures of interest. Path analyses’ results revealed that this model accounted for 48% of disordered eating’s variance. Furthermore, results showed that 26% of external shame was explained by early memories of warmth and safeness, and that 19% of body image-related perfectionistic self-presentation was explained by the lack of recall of these affiliative memories, through increased levels of external shame. These findings seem to suggest that the lack of these positive memories is associated with higher levels of shame (feelings of inferiority and unattractiveness), and with higher tendencies to adopt body image-related perfectionistic strategies, that seem to explain excessive eating concern and rigid control of one’s eating behaviours. This study offers important insights for future research and for the development of intervention programs, by revealing the importance of assessing and targeting shame and perfectionistic strategies and suggesting the importance of promoting adaptive emotion regulation strategies to deal with adverse memories

    Implications of the blockchain technology adoption by additive symbiotic networks

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    Funding Information: Funding: This work was supported by Fundação para a Ciência e Tecnologia, Lisboa, Portugal [Grant No SFRH/BD/145448/2019 and via the project UIDB/00667/2020 (UNIDEMI)]. Publisher Copyright: © 2023A vibrant debate has been initiated around the potential adoption of blockchain technology for enhancing the development of industrial symbiosis networks, particularly for promoting the creation of additive symbiotic networks. Despite the potential benefits of trust creation and elimination of intermediary entities, adopting such innovative technologies promises to disrupt the current supply chains of those symbiotic networks. The literature on these topics is still beginning; thus, the present research intends to contribute. A framework for understanding the implications of adopting the blockchain technology in the supply chain structure (specifically, in the dependency dimension) of an additive symbiotic network was developed, considering a network theory lens. The case study method was deemed to be suitable for carrying out this research. A case study related to an additive symbiotic network is described in detail, with the development of two scenarios: scenario I “as-is” for the current state of the network and scenario II “to-be” considering the adoption of the blockchain technology. Results show that adopting blockchain technology impacts the supply chain structure of additive symbiotic networks. More specifically, there are implications for the power distribution among the network's stakeholders.publishersversionpublishe

    Waste valorization through additive manufacturing in an industrial symbiosis setting

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    Given the current environmental concerns related to manufacturing, the introduction to the industrial symbiosis concept brought purpose to waste, instead of disposing it in landfills or eliminating it through incineration. The waste generated by industrial processes, or end-of-life products, is redirected to be used as a “new” input in another process by one or more organizations, which is a mutual benefit or a “symbiosis”. Despite its relevancy, the industrial symbiosis concept is marginally explored in the context of additive manufacturing; this emerging technology has disruptive potential regarding the use of different materials as secondary raw materials. This paper presents a systematic literature review regarding industrial symbiosis and additive manufacturing. The main objective is to identify how wastes can be used as input materials to additive manufacturing processes and what exchanges of resources occur in an industrial symbiosis setting. A final sample of 32 documents was reached and analyzed. Five examples of using waste streams in additive manufacturing processes to produce goods were highlighted and explored.publishersversionpublishe

    Defensive Responses to Early Memories with Peers: a Possible Pathway to Disordered Eating.

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    Childhood and early adolescence experiences, specifically those that provide an adulthood enriched with warm and safe memories, are consistently stated in literature as powerful emotional regulators. In contrast, individuals who scarcely recall positive experiences may begin to believe that others see the self as inferior, inadequate and unattractive. In order to cope with a perceived loss of social desirability and achieve other's acceptance, individuals may become submissive, and women, particularly, may resort to the presentation of a perfect body image. Both mechanisms are defensive responses suggested to be associated with mental health difficulties, particularly disordered eating behaviors. The present study aimed at exploring the association between early memories of warmth and safeness with peers and eating psychopathology. Also, a path analysis was conducted to investigate the mediator role of submissiveness and perfectionistic self-presentation focused on body image on this association, in a sample of 342 female students. Results revealed that the absence of early positive memories with peers holds a significant effect over eating psychopathology's severity, and also that this effect is mediated through submissiveness and body image-related perfectionistic self-presentation. This model accounted for 13%, 19% and 51% of submissiveness, perfectionistic self-presentation of body image and eating psychopathology's variances, respectively, and showed excellent model fit

    Chronic Illness-Related Shame: Development of a New Scale and Novel Approach for IBD Patients' Depressive Symptomatology

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    The aims of the present study were to develop and validate a scale specifically focused on shame feelings derived from chronic illness-related experiences, the Chronic Illness-related Shame Scale (CISS) and to fill a gap in literature and analyse the role of this construct in the association between inflammatory bowel disease (IBD) symptomatology and depressed mood. This study comprised two samples: a sample of 161 IBD patients and a mixed sample of 65 chronic patients that reported medical data and completed self-report measures. The CISS's unidimensional seven-item structure was evaluated through confirmatory factor analyses. These analyses revealed good to excellent global and local adjustments in both samples. Results also showed that the CISS presents excellent internal consistencies and convergent, concurrent and divergent validity, being a valid, short and robust scale. Furthermore, the present study explored through path analyses, the role of CISS and self-judgement in the relationship between IBD symptomatology and depressed mood. Results showed that, although the level of IBD symptomatology directly predicted patients' depressive symptoms, the majority of this effect was mediated by CISS and self-judgement. Possible explanations for these findings are discussed in more detail in the succeeding text. The present study seems to highlight the pertinence of developing IBD patients' self-compassionate abilities to adaptively deal with symptomatology and related shame feelings. It thus may represent an avenue for the development of compassionate-based interventions for IBD patients and for the conduction of future studies exploring the shame phenomenon in other chronic illnesses. Copyright © 2016 John Wiley & Sons, Ltd

    Avaliação da qualidade de tratamentos endodônticos realizados por estudantes de Medicina Dentária

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    Objectives: To assess radiographically the technical quality of root fillings placed by undergraduate students at the Faculty of Dental Medicine of the University of Porto. Methods: The records of 318 patients were assessed, of which 225 radiographs of root canal fillings in single-rooted teeth were selected. The radiographs were examined using the VixWin Platinum v1.1 Imaging Software (Gendex, USA). The quality of root canal filling was graded as "acceptable" when both length and density were adequate. Procedural errors were registered. Chi-square tests were used for statistical analysis, considering a 0.05 significance level. Results: Root canal fillings were considered acceptable in 53.3% of the cases. There was a greater percentage of adequate density (70.7%) than adequate length (64%). There was a statistically significant association between the quality of the filling and the type of tooth, with maxillary anterior teeth presenting higher quality (p=0.027). The most common reason for inadequate length was short-filling (33%). There was a statistically significant relationship between the academic year and the density of the fillings (p=0.009). Overall procedural errors occurred in 3.6% of the cases, with the most common being ledge formation and apical transportation. Conclusions: The quality of root canal fillings in single-rooted teeth performed by junior dental students at the University of Porto was considered acceptable in 53.3% of cases.Objetivos: Avaliar radiograficamente a qualidade das obturações de tratamentos endodônticos realizados por estudantes do Mestrado Integrado da Faculdade de Medicina Dentária da Universidade do Porto. Métodos: Foram avaliados os registos de 318 pacientes, dos quais foram selecionadas 225 radiografias periapicais de dentes monorradiculares. As radiografias foram examinadas utilizando o software de imagem VixWin Platinum v1.1 (Gendex, EUA). A qualidade do tratamento endodôntico foi classificada como "aceitável" quando o comprimento e a densidade estavam adequados. Os erros iatrogénicos foram registados. O teste qui-quadrado foi utilizado para análise estatística, considerando um nível de significância de 0,05. Resultados: O tratamento endodôntico foi considerado aceitável em 53,3% dos casos. Houve uma maior percentagem de densidade adequada (70,7%) do que comprimento adequado (64%). Verificou-se uma associação estatisticamente significativa entre a qualidade da obturação e o tipo de dente, sendo os dentes anteriores superiores a apresentar maior qualidade (p = 0,027). A razão mais comum para o comprimento inadequado foram as obturações curtas (33%). Verificou-se uma relação estatisticamente significativa entre o ano letivo e a densidade da obturação (p = 0,009). Erros iatrogénicos ocorreram em 3,6% dos casos, sendo os mais comuns a formação de degraus e o transporte apical. Conclusões: A qualidade dos tratamentos endodônticos em dentes monorradiculares realizados por estudantes de Medicina Dentária da Universidade do Porto foi considerada aceitável em 53,3% dos casos.- (undefined

    Getting entangled with body image: Development and validation of a new measure.

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    Ferreira, C., Trindade, I. A., Duarte, C. & Pinto-Gouveia, J. (2015). Getting entangled with body image: Development and validation of a new measure. Psychology and Psychotherapy: Theory, Research and Practice, 88(3), 304–316. doi: 10.1111/papt.12047Objectives. Several studies have highlighted the role of cognitive fusion on human suffering and a wide range of psychopathological conditions. Namely, this process has been regarded as a core aspect in eating disorders. Nevertheless, the study of cognitive fusion on eating psychopathology is scarce and a measure that specifically concerns body image was still to be created. The present study aimed therefore at developing and validating such measure, the Cognitive Fusion Questionnaire Body Image (CFQ-BI). Design and methods. The current study was conducted using different samples of both genders, collected in the general and student populations. The dimensionality of the CFQ-BI was tested through an exploratory factor analysis and a confirmatory factor analysis (CFA). The scale’s internal reliability and other psychometric qualities were also analysed. Results. The CFQ-BI’s final structure was one-dimensional and comprised 10 items that assess body image-related cognitive fusion. This final structure explained a total of 73.41% of the variance. The adequacy of the questionnaire was corroborated through a CFA which revealed that CFQ-BI presents good global and local adjustment values and goodness-of-fit indices. Results also showed that the CFQ-BI holds a very good internal consistency (a = .96), convergent, divergent and temporal reliabilities, and is able to discriminate cases from non-cases of eating psychopathology. Conclusions. The CFQ-BI was thus established as a short, robust, and reliable measure of body image-related cognitive fusion. This new measure may correspond to a significant contribution to research and clinical practice in the field of body image and eating-related difficulties
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