32 Ducere Est Servire: THE LEADERSHIP JOURNAL OF DALLAS BAPTIST UNIVERSITY Among introverts with less than five years of leadership experience, a dependent samples t-test showed higher affective-identity MTL scores post-exposure (M = 27.09, SD = 6.74) compared to pre-exposure (M = 26.48, SD = 6.93), t(119) = −2.3, p = 0.022, d = 0.21, a small effect size.19 Similarly, introverts under 30 exhibited higher LSE scores post-exposure (M = 33.76, SD = 5.21) than pre-exposure (M = 32.67, SD = 5.76), t(45) = −2.5, p = 0.018, d = 0.36, also a small effect size.20 Summary of Findings and Implications The study confirmed a strong positive relationship between LSE and Affective-Identity MTL, aligning with prior research.21 Extraverts exhibited higher baseline LSE and MTL, supporting the extraverted leadership bias.22 Exposure to introverted leader archetypes modestly increased introverts’ Affective-Identity MTL, particularly among younger participants and those with limited leadership experience, suggesting symbolic modeling’s potential to shift leadership perceptions.23 The small effect sizes indicate that single-exposure interventions may have limited impact, and no sustained effects were observed at three weeks. The sample was limited to a single firm and LinkedIn contacts, potentially reducing generalizability. The video’s archetype representation may not resonate universally, and single-exposure interventions may lack sufficient intensity. Self-selection bias and the absence of personality trait feedback may have influenced results. Future research should incorporate longitudinal designs that include repeated exposure to leadership archetypes to assess their lasting impact. Studies should also draw from diverse populations, such as students and professionals across global industries, to enhance generalizability. Providing participants with personalized personality feedback may strengthen their identification with specific archetypes. Additionally, examining intra-organizational role models could shed light on the influence of proximity and familiarity on leadership development. Since the intervention involved a slideshow, future research could also examine introverts participating in discussions about their leadership experiences with extended exposure periods. Research by Jakibchuk & Smeriglio demonstrated
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