51 documents found, page 1 of 6
How good is teleworking? Development and validation of the tele attitude scale
Junça-Silva, Ana; Caetano, AntónioThe objective of this study was to develop and validate a measure called the Tele Attitude Scale (TAS). This measure aims to evaluate relevant aspects of the teleworking experience related to its perceived effects regarding, for instance: job characteristics, perceived productivity, quality of work-related interactions, work-non-work balance, and well-being. Four studies were conducted between 2021 and 2022. Fi...
How curiosity affects contextual performance: an emotional daily dynamics persp...
Junça-Silva, Ana; Caetano, AntónioPurpose – This research relied on the broaden-and-build (B&B) theory to explore emotional predictors for curiosity-related differences in daily engagement and contextual performance. We tested a moderated mediation model, arguing that daily positive emotions would be related to daily work engagement and contextual performance. Design/methodology/approach – A total of 586 participants participated in a five-day ...
How was your day? A within‐person analysis of how mental health may moderate th...
Junça-Silva, Ana; Caetano, AntónioThis study builds on the affective events theory and the conservation of resources theory to propose a model that analyses an affect-to-behaviour-to-outcome route, highlighting how daily micro-events and subsequent affective reactions lead to behaviours (performance) and cognitions (satisfaction after work), and how mental health moderates this process. Results from a 5-day diary study, during the pandemic (N =...
A small TAT-TrkB peptide prevents BDNF receptor cleavage and restores synaptic ...
Fonseca-Gomes, João; Costa-Coelho, Tiago; Ferreira-Manso, Mafalda; Inteiro-Oliveira, Sara; Vaz, Sandra H.; Alemãn-Serrano, NunoIn Alzheimer's disease (AD), amyloid β (Aβ)-triggered cleavage of TrkB-FL impairs brain-derived neurotrophic factor (BDNF) signaling, thereby compromising neuronal survival, differentiation, and synaptic transmission and plasticity. Using cerebrospinal fluid and postmortem human brain samples, we show that TrkB-FL cleavage occurs from the early stages of the disease and increases as a function of pathology seve...
Doseamento Hormonal das Veias Supra-Renais: como Fazemos
Neves, Teresa; Caetano, António; Manique, Inês; Amaral, Sara; Godinho, Conceição; Coimbra, Élia; Bilhim, TiagoO hiper-aldosterolismo primário é a causa mais comum de hipertensão secundária. Quando originado por patologia unilateral, pode ser tratado curativamente por adrenalectomia. O doseamento hormonal por cateterismo das veias supra-renais (VSRs) é essencial para discriminar entre patologia uni versus bilateral. O conhecimento da anatomia normal e variantes das VSRs é importante para evitar falsos negativos e aument...
Micro-firms way to succeed: how owners manage people
Rodrigues, Ana C.; Carvalho, Helena; Caetano, António; Santos, Susana C.This study explores the configurations of people management practices in micro-firms and their relation with entrepreneurial orientation and firm performance in a four-year window. Based on the ability-, motivation- and opportunity-focused practices framework, we identify configurations of HRM practices used in micro-firms and, in conjugation with entrepreneurial orientation, how they affect employee growth and...
Micro-firms way to succeed: How owners manage people
Rodrigues, A. C.; Carvalho, H.; Caetano, António; Santos, S. C.This study explores the configurations of people management practices in micro-firms and their relation with entrepreneurial orientation and firm performance in a four-year window. Based on the ability-, motivation- and opportunity-focused practices framework, we identify configurations of HRM practices used in micro-firms and, in conjugation with entrepreneurial orientation, how they affect employee growth and...
Decompositions with atoms and molecules for variable exponent Triebel-Lizorkin-...
Caetano, António; Kempka, HenningWe continue the study of the variable exponent Morreyfied Triebel-Lizorkin spaces introduced in a previous paper. Here we give characterizations by means of atoms and molecules. We also show that in some cases the number of zero moments needed for molecules, in order that an infinite linear combination of them (with coefficients in a natural sequence space) converges in the space of tempered distributions, is much ...
A importância das características centrais do trabalho na satisfação com as rec...
Santos, Susana Correia; Costa, Filipa Alves da; Passos, Ana; Ramalho, Nelson; Caetano, AntónioEsta investigação tem como objectivo analisar a influência das características centrais do trabalho na satisfação com as recompensas em dois momentos temporais distintos, distanciados cerca de uma década, na mesma organização. Participaram no estudo 258 indivíduos em 1996, e 142 em 2007. Estes indivíduos responderam a um mesmo questionário aplicado na mesma organização pública de prestação de serviços. Em 1996,...
Variable exponent Besov-Morrey spaces
Almeida, Alexandre; Caetano, AntónioIn this paper we introduce Besov-Morrey spaces with all indices variable and study some fundamental properties. This includes a description in terms of Peetre maximal functions and atomic and molecular decompositions. This new scale of non-standard function spaces requires the introduction of variable exponent mixed Morrey-sequence spaces, which in turn are defined within the framework of semimodular spaces. In...