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Sökning: WFRF:(Ramalho Nelson)

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1.
  • Almeida, Teresa, et al. (författare)
  • Can you be a follower even when you do not follow the leader? : Yes, you can
  • 2021
  • Ingår i: Leadership. - : SAGE Publications. - 1742-7150 .- 1742-7169. ; 17:3, s. 336-364
  • Tidskriftsartikel (refereegranskat)abstract
    • In the ongoing debate in the area of critical leadership studies, the nature of leader–follower relationships is a thorny issue. The nature of followership has been questioned, especially whether followers can display resistance behaviours while maintaining their follower position. Addressing this issue requires a dialectical approach in which followers and leaders alike are primary elements in leadership co-production. Followers who face destructive leaders are of special interest when leadership is studied as a co-creational process. This context favours the emergence of a full range of behavioural profiles in which passives and colluders will illustrate the destructive leadership co-production process, and those who resist demonstrate that followers may not follow the leader and still keep a followership purpose. A two-step data analysis procedure was conducted based on the behaviour descriptions of 123 followers having a destructive leader. A qualitative analysis (i.e. content analysis) showed a set of behaviours and their antecedents that suggest three main groups of followers: resisters, obedient and mixed behaviour. Treating these data quantitatively (i.e. latent class analysis), six followers’ profiles emerged: active resistance, passive resistance, passive obedience, conflict avoidance, support and mixed. Our findings provide evidence that followers who resist may do it for the sake of the organisation. We discuss our findings in light of followership theory, whereby joining role-based and constructionist approaches allows us to argue that followers may still be followers even when they do not invariably follow their leader. 
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2.
  • Almeida, Teresa, et al. (författare)
  • Coproducing leadership : a reason to resist destructive leaders
  • 2023
  • Ingår i: Leadership & Organization Development Journal. - 0143-7739 .- 1472-5347. ; 44:2, s. 189-204
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: Follower's individual differences have been receiving increased attention in studying destructive leadership because followers may enable or disable it. One of these yet under-researched features is the role of followers' leadership coproduction beliefs (a role construal) in explaining their resistance to destructive leaders. Departing from the proactive motivation theory, this paper explores the robustness of coproduction beliefs by testing its ability to predict followers' resistance to destructive leaders across four situations – abusive supervision, exploitative leadership, organization directed behaviors and laissez-faire. Design/methodology/approach: With a sample of 359 participants that answered a scenario-based survey, the present study tests the relationship between coproduction beliefs and resistance behaviors in the four mentioned groups, while controlling for alternative explanations. A multigroup analysis was conducted with PLS-SEM. Findings: Constructive resistance is always favored by coproduction beliefs independently of the leader's type of destructive behavior. Dysfunctional resistance, however, is sensitive to the leader's type of destructive behavior. Originality/value: This paper extends knowledge on the role of coproduction beliefs as an individual-based resource against destructive leaders. 
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3.
  • Dias, Pedro, et al. (författare)
  • Geophysical investigation of the down-dip extension of the Lombador massive sulphide deposit, Neves-Corvo, Portugal
  • 2021
  • Ingår i: International journal of earth sciences. - : Springer Nature. - 1437-3254 .- 1437-3262. ; 110:3, s. 911-922
  • Tidskriftsartikel (refereegranskat)abstract
    • The 150 Mt Lombador massive sulphide deposit is one of the seven known deposits of the Neves-Corvo mine. The deposit dips approximately 30o-35o to the NE and is open down dip, with current exploitation reaching down at 1 km depth. To investigate the possible downwards continuation of the deposit, a 1D constrained inversion of time-domain electromagnetic (TEM) ground loop data was conducted, followed by 3D electromagnetic (EM) forward modeling and a constrained 3D gravimetric inversion over the same area. To perform the EM and gravity modeling/inversion, a 3D geologic model was built using a density database comprising of approximately 300 drill-holes, and an electrical conductivity database with measurements from resistivity surveys and 1D inversion of the TEM data. The EM modeling shows that the Neves Formation shales are a regional conductive layer extending down to approximately 1.6 km depth in the Lombador area. This layer, often topped by massive sulphides, has an average density of 2.83 g/cm(3), whereas stockwork and massive sulphide reach on average 3.1 g/cm(3) and 4.5 g/cm(3), respectively. The 3D constrained gravity inversion results do not support the hypothesis of the presence of massive sulphides located in the down-dip direction of the Lombador deposit in the immediate vicinity of the known deposit. The lack of spatial resolution of the gravity grid, the study area limited size and the lack of information from within the basement suggest further studies are required to confirm the presence and amount of stockwork mineralization down-dip the Lombador deposit inside the Neves-Formation or the Phyllite-Quartzite basement.
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