企業應如何遴選外派人員？具有那些人格特質才能快速的適應當地的環境(工作、生活、文化)？海外適應程度將會如何影響外派人員的工作績效？這都是當前重要管理議題。本研究以目前派駐台灣之外籍人士為受測對象，藉以了解外派人員海外適應和工作績效的關係。本研究共回收119份有效樣本，經由統計分析，發現駐台外派人員之人格特質各構面（親和性、勤勉正直性、外向支配性、情緒抗壓性、學習開放性），均會正向影響海外適應；而海外適應各構面(工作適應、生活適應和文化適應)，也均會正向影響海外工作績效。本文並根據研究結果提出管理意涵與未來研究建議。

How do enterprises select expatriates? What personalities can be easily adopted by the local environments such as work, life and culture? How these factors impact the working performance of expatriates? This study is to realize the influence on expatriates’ international adjustment and expatriate’s performance in Taiwan at present. The retrieved valid questionnaires are calculated up to 119 copies. By using Statistical analysis of the questionnaire surveys, it reveals that the five personal specialties of expatriate (such as Agreeableness, Conscientiousness, Extraversion, Emotional Stability, and Openness to Experiences) are statistically significant influence to international adjustment. By the same token, Expatriate adjustments in such areas as working, living and culture, are statistically significant on overseas task performance and contextual performance.