| Reference | Study design | Variables | Data collection tools | Issue of study | Sample | Results |
| | Cross-sectional | Authentic Leadership (AL), PsyCap, employees’ creativity | Authentic Leadership Questionnaire (ALQ), PCQ, four items for employees’ creativity | To examine whether PsyCap is a predictor of creativity, AL is a predictor of employees’ PsyCap, and PsyCap is a partial mediator of the relationship between AL and creativity | 201 employees and their supervisors in 33 commerce organizations in Portugal | Authentic leadership predicts employees’ creativity, both directly and through the mediating role of employees’ psychological capital. There is predictive value of AL for employees’ PsyCap |
| | Cross-sectional | Hope, positive affect, authentic leadership, employees’ creativity. | Three items for measuring positive affect, six items of the State Hope Scale, five items for creativity, 16 five-point items from the ALQ | To investigate whether (a) positive affect is a mediator between AL and creativity, (b) hope is a mediator between AL and creativity, and (c) hope is a mediator between positive affect and creativity | 219 employees working in Portuguese retail organizations and their supervisors | AL predicts employees’ creativity, both directly and through the mediating role of employees’ hope. AL also predicts employees’ positive affect, which in turn predicts employees’ hope and, thus, creativity |
| | Cross-sectional | AL, Leader-member exchange (LMX), PsyCap, Job performance, gender, age, education, organizational tenure | 16-item ALQ, LMX 16-item scale, 24-item PsyCap questionnaire, four items for Job Performance, demographics | To investigate the moderating role of members’ PsyCap and the mediating role of leader-member exchange (LMX) in influencing the relationship between authentic leadership and members’ performance. | 794 members and their immediate leaders | The positive relationship between AL and job performance is moderated by members’ PsyCap. LMX contributes to members’ performance contingent upon the members’ PsyCap |
| | Cross-sectional | Mindfulness, PsyCap, anxiety, depression, burnout, age, education, firm size | Mindful Attention Awareness Scale, 12-item version of the PCQ, six items for anxiety and depression, three items of the PANAS, six items from the Burnout scale, demographics | To test the direct effect that the leaders’ level of mindfulness and the mediating effect of their psychological capital may have on their mental well-being | CEOs/presidents (n = 205), middle (n = 183), junior (n = 202), 107 entrepreneurs | Mindfulness was negatively related to leaders’ anxiety, depression, negative affect and entrepreneurs’ burnout. The model with PsyCap mediating the effects of mindfulness on dysfunctional outcomes fit the data best |