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- How leader humility helps teams to be humbler, psychologically stronger, and more effective: a moderated mediation modelPublication . Rego, Arménio; Owens, Bradley; Leal, Susana; Melo, Ana I.; Cunha, Miguel Pina e; Gonçalves, Lurdes; Ribeiro, PaulaWe hypothesize that (a) the level of humility expressed by leaders predicts team performance through, serially, team humility and team PsyCap, and (b) the strength (i.e., consensus within the team) of the leader humility, team humility and team PsyCap moderates the paths of that hypothesized model. A sample comprising 82 teams (82 leaders; 332 team members) was collected. Team members reported leader humility, team humility and team PsyCap. Leaders reported team performance. To handle the risks of common method bias, each mediating path of the hypothesized model is based on data from two different subsamples within each team. Our model's most novel theoretical contribution is the (moderated mediated) connection between leader humility, collective humility, and team PsyCap, and this was consistently supported in our data. Our inconsistent findings dealing with the relationship between team PsyCap and performance is well established in the literature and our results in both sub-samples were in the theorized direction. The study contributes to understand why, how and when humble leaders are more effective.
- Leader-expressed humility predicting team psychological safety: a personality dynamics lensPublication . Rego, Arménio; Melo, Ana Isabel; Bluhm, Dustin J.; Cunha, Miguel Pina e; Júnior, Dálcio ReisIn an application of the personality dynamics framework, we advance understanding on the relationship between baseline leader humility and team psychological safety by exploring the roles of humility variability and attractor strength. Specifically, we examine how the (in)consistency (i.e., variability) of leader-expressed humility across team members operates as a boundary condition in the relationship between leader-expressed humility and team psychological safety. We also explore how the agreement between leader self-reported humility and leader-expressed humility (i.e., self-other agreement, SOA) operates as an attractor to predict such a consistency. We test the hypothesized model through a sample of 85 teams, rated by 354 team members. The findings suggest that consistency reinforces, while inconsistency weakens, the effect of leaderexpressed humility on team psychological safety. The findings also reveal that SOA relates to the consistency of leaderexpressed humility, depending on the level at which the (dis)agreement occurs. We conclude that to better understand the outcomes of humble leadership, it is necessary to take into account not only the baseline of humility expressed by the leader (as most studies do), but also his/her humility variability and the strength of the attractor.