In the context of research on transformational leadership, Zacharatos, Barling, and Kelloway reported that _____. Multiple choice question. transactional leaders were more effective than transformational leaders at driving organizational change laissez-faire leadership was negatively correlated with effectiveness similar to transformational leadership transactional leadership was a significantly better predictor of organizational effectiveness than transformational leadership among adolescents adolescents who were rated by peers and coaches to be more transformational were also more likely to have parents who were transformational leaders