Research has found the organizational base rate for leader failure to be 65-75%, with 75% of employees reporting leaders as the most stressful aspect of their employment. Despite these findings, little research has examined the particular leadership constructs, such as emotional intelligence (EI), transformational leadership (TL) style, and leader derailment behaviors (DBs), which may predict derailment. The purpose of this quantitative, nonexperimental study was to examine if leader DBs are best predicted by the relationships of EI (Hypothesis 1) or TL style (Hypothesis 2) among a military...