People with high level of stress but with low level of illness are known to have personality traits of ________ .

Hardiness

Recent studies by Kobasa have shown that people with high levels of stress but low levels of illness share three characteristics, which are referred to as the personality traits of hardiness. It consists of ‘the three Cs’, i.e. commitment, control, and challenge. Hardiness is a set of beliefs about oneself, the world, and how they interact.