Final answer:
The characteristic of the 5-factor personality model used to predict successful performance on international assignments is extraversion.
Step-by-step explanation:
The one of the characteristics of the 5-factor personality model used to predict successful performance on international assignments is extraversion. Extraversion is characterized by sociability, assertiveness, excitement-seeking, and emotional expression.
People who score high on this factor are usually described as outgoing and warm. This factor is important because individuals who are extraverted are more likely to engage in social interactions and adapt to different cultural contexts when working in international assignments.