Browsing by Author "Moreira, Ana"
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- An empirical study of aspect-oriented metricsPublication . Piveta, Eduardo Kessler; Moreira, Ana; Pimenta, Marcelo Soares; Araujo, Joao; Guerreiro, Pedro; Tom Price, R.Metrics for aspect-oriented software have been proposed and used to investigate the benefits and the disadvantages of crosscutting concerns modularisation. Some of these metrics have not been rigorously defined nor analytically evaluated. Also, there are few empirical data showing typical values of these metrics in aspect-oriented software. In this paper, we provide rigorous definitions, usage guidelines, analytical evaluation, and empirical data from ten open source projects, determining the value of six metrics for aspect-oriented software (lines of code, weighted operations in module, depth of inheritance tree, number of children, crosscutting degree of an aspect, and coupling on advice execution). We discuss how each of these metrics can be used to identify shortcomings in existing aspect-oriented software. (C) 2012 Elsevier B.V. All rights reserved.
- Conflict (Work-Family and Family-Work) and task performance: The role of well-being in this relationshipPublication . Moreira, Ana; Encarnação, Tiago; Viseu, João; Au-Yong-Oliveira, ManuelRecent societal changes have brought new challenges to contemporary organisations, e.g., how to properly manage the work-family/family-work dyad and, thus, promote adequate task performance. This paper aimed to study the relationship between conflict (work-family and family-work) and task performance, and whether this relationship was moderated by well-being. Thus, the following hypotheses were formulated: (1) conflict (work-family and family-work) is negatively associated with task performance; (2) conflict (work-family and family-work) is negatively associated with well-being; (3) well-being is positively associated with task performance; and (4) well-being moderates the relationship between conflict (work-family and family-work) and task performance. A total of 596 subjects participated in this study, all employed in Portuguese organisations. The results underlined that only family-work conflict was negatively and significantly associated with task performance. Work-family conflict established a negative and significant relationship with well-being. Well-being was positively and significantly associated with performance and moderated the relationship between conflict (work-family and family-work) and task performance. These results show that organisations should provide employees with situations that promote their well-being, especially in Portugal, where a relationship culture exists (rather than task culture, which is predominant in the USA and Canada, for example) which means that additional and considerable time must be dedicated to personal and family matters for people to fit in and be accepted harmoniously.
- Endometrial cancer staging: Is there value in ADC?Publication . Moreira, Ana; Ribeiro, Vera; Aringhieri, Giacomo; Fanni, Salvatore; Tumminello, Lorenzo; Faggioni, Lorenzo; Cioni, Dania; Neri, EmanuelePurpose: To assess the ability of apparent diffusion coefficient (ADC) measurements in predicting the histological grade of endometrial cancer. A secondary goal was to assess the agreement between MRI and surgical staging as an accurate measurement. Methods: Patients with endometrial cancers diagnosed between 2018-2020 and having received both MRI and surgical staging were retrospectively enrolled. Patients were characterized according to histology, tumor size, FIGO stage (MRI and surgical stage), and functional MRI parameters (DCE and DWI/ADC). Statistical analysis was performed to determine if an association could be identified between ADC variables and histology grade. Secondarily, we assessed the degree of agreement between the MRI and surgical stages according to the FIGO classification. Results: The cohort included 45 women with endometrial cancer. Quantitative analysis of ADC variables did not find a statistically significant association with histological tumor grades. DCE showed higher sensitivity than DWI/ADC in the assessment of myometrial invasion (85.00% versus 65.00%) with the same specificity (80.00%). A good agreement between MRI and histopathology for the FIGO stage was found (kappa of 0.72, p < 0.01). Differences in staging between MRI and surgery were detected in eight cases, which could not be justified by the interval between MRI and surgery. Conclusions. ADC values were not useful for predicting endometrial cancer grade, despite the good agreement between MRI interpretation and histopathology of endometrial cancer staging at our center.
- Job crafting and job performance: the mediating effect of engagementPublication . Moreira, Ana; Encarnação, Tiago; Viseu, J.; Sousa, Maria JoséThe main purpose of this study was to investigate whether work engagement mediates the relationship between job crafting and job performance. To this end, the following hypotheses were formulated: (1) job crafting establishes a positive and significant association with job performance; (2) job establishes a positive and significant association with work engagement; (3) work engagement establishes a positive and significant association with job performance; (4) work engagement mediates the association between job crafting and job performance. The sample was composed of 453 participants working in organisations based in Portugal. The hypotheses formulated in this study were tested by performing simple and multiple linear regressions. The results indicated that only increasing structural job resources and increasing challenging job demands established a positive and significant association with task performance. Increasing structural job resources, increasing social job resources, and increasing challenging job demands established a positive and significant association with citizenship performance and work engagement. Work engagement established a positive and significant association with task performance and citizenship performance. Only a partial mediating effect, through work engagement, was observed on the association between increasing challenging job demands and task performance, and between increasing social job resources and citizenship performance.
- Students’ motivation for a sustainable career in the Hospitality Industry in PortugalPublication . Cesário, Francisco; Sabino, Ana; Moreira, Ana; Portugal, Miguel; Correia, AntóniaBased on the intersection between Sustainable Development Goal (SDG) 4 “Quality Education” and SDG 8 “Decent Work and Economic Growth”, the main purpose of this study, framed by the self-determination theory, was to identify the relationship between the factors that motivate students to pursue a career in the hospitality and tourism industry and their commitment to the university and to their program, guaranteeing a more sustainable career. Methodologically, a survey was used to assess students’ perceptions about their commitment to conclude their BA academic program and their time at university, and to identify the types of motivation to pursue a future career in hospitality and tourism. The study took place, with the participation of 305 students, in one of the leading Portugal universities in hospitality and tourism. By leveraging the structural equation modelling technique, we tested how extrinsic and intrinsic motivations for a career in the hospitality and tourism industry contribute to the commitment to the program and the university. Results suggested that students’ commitment to remain in the university and their commitment to conclude their BA program are mainly associated with introjected motivation. This study highlights the need to study higher education systems to boost sustainable human resources management, mainly creating bridges between education systems and industry to allow individuals to have more sustainable careers.