The Thomas-Kilmann Conflict Mode Instrument (TKI®)


The world’s best-selling tool for helping people understand how different conflict-handling styles affect interpersonal and group dynamics—and for empowering them to choose the appropriate style for any situation.



The Thomas-Kilmann Conflict Mode Instrument (TKI®) assesses an individual’s typical behaviour in conflict situations and describes it along two dimensions: assertiveness and cooperativeness. It provides detailed information about how that individual can effectively use five different conflict-handling modes, or styles.