72 documents found, page 1 of 8
Seaweeds biorefinery into pigments and carrageenans: testing a sequential extra...
Gonçalves, Gabriela; Moraes, Izabel Cristina Freitas; Faria, Bruno Miguel Silva; Hilliou, L.This study aims to test a sequential extraction (SE) method for red seaweeds (Chondrus crispus, Mastocarpus stellatus, Gigartina pistillata). The tested SE is a preliminary screening step towards the extrusion-based biorefinery (E2B2) of carrageenophytes into various natural products, a concept that still needs to be established. Phycobiliproteins, chlorophyll-a, carotenoids, and hybrid-carrageenans (HK) were i...
Death anxiety and work passion: cross-cultural analyses from Portugal and Saudi...
Sousa, Cátia; Gonçalves, Gabriela; AL-Dossary, Saeed A.This cross-sectional, cross-cultural study aimed to investigate the relationships between death anxiety and work passion, focusing on the dimensions of harmonious and obsessive passion, as well as the moderating roles of work centrality and connection to work. Participants included Portuguese (n = 301) and Saudi Arabian (n = 181) employees. Structural equation modeling was used to analyze these relationships. T...
Achievement of higher education students in exploring a random game
Fernandes, José António; Gonçalves, Gabriela; Barros, Paula MariaIn this article, we study the achievement of polytechnic higher education students in exploring a random game, considering the following objectives: 1) evaluate students' performance in exploring the game, and 2) identify students' difficulties in exploring the game. The study included 49 students attending an engineering course's 2nd or 3rd year at a higher education institution in northern Portugal. The data ...
Explorando a perceção de risco: o impacto de fatores individuais e a mediação d...
Pinto, Kelly; Gonçalves, Gabriela; Sousa, Cátia; Sousa, AntónioAntecedentes: A perceção de risco é um tema de interesse em várias disciplinas científicas devido ao seu papel vital na gestão, intervenção e prevenção de acidentes. Objetivos: Este estudo procurou examinar como fatores individuais, como autoeficácia na segurança, locus de controlo interno, resiliência mental, neuroticismo e procura por sensações, influenciam a perceção de risco (PR), além de investigar o papel...
The effect of death anxiety on work passion: moderating roles of work centralit...
AL-Dossary, Saeed A.; Sousa, Cátia; Gonçalves, GabrielaFear of death is an emotional manifestation of the instinct for self-preservation. Any threat to our existence induces an anxiety response. Death anxiety can trigger obsessive-compulsive behaviours, such as an obsessive passion for work. Using a sample of 314 participants (68.2% female), with a mean age of 38.97 years (SD = 10.36), this study sought to observe the predictive effect of death anxiety on work pass...
Flourishing, cinematic self, and sense of self as predictors of death anxiety: ...
Gomes, Alexandra; AL-Dossary, Saeed A.; Sousa, Cátia; Gonçalves, GabrielaThis research delved into the intricate landscape of death anxiety, a profound psychological phenomenon that deeply influences individuals’ perceptions and responses to mortality. Through a meticulous examination of key psychological factors – flourishing, cinematic self, and sense of self – we aimed to unravel the complexities surrounding this existential concern. With a diverse sample of 327 Portuguese partic...
Qualidades psicométricas da GDS-15 durante a pandemia de Covid19
Galinha, Sónia Maria Gomes Alexandre; Gonçalves, GabrielaO artigo parte da análise das qualidades psicométricas da Escala de Depressão Geriátrica GDS-15 e adicionalmente do estudo da correlação entre a Escala de Satisfação com a Vida com as variáveis sociodemográficas em estudo com utilidade para a formação universitária e a competência cuidadora. O estudo é constituído por uma amostra validada em Portugal com N=763 (48% 75-84 idade e 32.2% 85-94) e os dados obtidos ...
Escala de atitude multicultural: validação e evidências métricas numa amostra p...
Sousa, Cátia; Gonçalves, GabrielaO nível de apoio ao multiculturalismo por parte dos países de acolhimento, varia de acordo com aspetos específicos das políticas multiculturais, pelo que as medidas de atitude geral face ao mul ticulturalismo se revestem de extrema importância pois podem dar uma indicação sobre o clima ideológico geral de um país. Este estudo, de carácter exploratório, tem como objetivo apresentar as propriedades psicométricas ...
The effect of multicultural attitudes and perceived intergroup threat on attitu...
Sousa, Cátia; Arasaratnam-Smith, Lily A.; Gonçalves, GabrielaSupported by the Intergroup Threat Theory (ITT), this study analyzes the effect of multicultural ideology on attitudes towards immigrants mediated by realistic, symbolic, and zero-sum threats. With a sample of Portuguese participants (N = 404)), polynomial regression analysis with response surface methodology was used to test the effects of multicultural attitude (MA) and perceived intergroup threat (PIT) on at...
Restorative effects of biophilic workplace and nature exposure during working t...
Sousa, Cátia; Fernandes, Maria Jacinta; Almeida, Nuno; Oliveira e Sousa, António; Gonçalves, GabrielaThe work environment plays a crucial role in the health and performance of employees. The growing interest in workers’ well-being has driven the inclusion of nature in workplaces, despite many employees spending most of their time indoors, away from nature. Studies show that biophilic design in offices can have positive effects and promote workers’ well-being. However, research on the beneficial effects of natu...