系統的使用者介面設計應該考量使用者的個別差異，對一個複雜的系統來說使用者介面應設計成能支援使用者的訊息處理型態。MBTI問卷在過去很多的研究中被用來當作辨別人類訊息處理型態的工具，其中所述及有關各認知型態的特質可被用來作為設計原則，以便為不同訊息處理型態的人設計不同的介面。在這個研究中的介面設計原則雖然是根據核能電廠的電腦化圖示處理程序所發展，但最終的目的是希望能成為各領域發展介面設計原則時，所能加以運用的設計方針。
此研究中利用核能電廠的電腦化圖示處理程序作為實驗所依循的系統，並根據此系統設計出二個不同的介面，分別配合MBTI中所述及的Sensing 及 Intuitive 類型的認知特性。運用MBTI所做的先期測試可幫助篩選出適合的人選，以便在接下來的三因子受試者間實驗中，驗證發展出的介面設計原則是否真的有所助益。

實驗的結果證實了合乎使用者訊息處理型態的介面能使反應更為正確且快速。在一個複雜的系統中，如：核能電廠，有很多的因素會影響操作者的表現，根據實驗的結果，合乎使用者認知處理型態的介面的確能在關鍵的情況下有效減少反應時間，並且減少錯誤的次數。

Abstract
The user interface should consider the individual difference of the users. For the complex system, the user interface should support the users’ information processing style. The MBTI questionnaire had been used to indicate people styles of perceiving and judging information in many researches. The cognitive style traits would be used to design suitable interfaces for different information processing styles. Although these interface design principles were developed by the computer-based procedures in nuclear power plants. We hope other computer-based systems can also use these interface design principles to develop the particular guidance for specific domain.

The computer-based procedures in nuclear power plant were taken as the experimental system. Two different interfaces had been designed based on the cognitive style traits of sensing type and intuitive type. The pilot study of MBTI questionnaire would be done to classify specific users. A three factors between-subject experimental design would be used to test if the design principles were advantageous.

The results confirmed that suitable interface would let the users more accurate and faster. In a complex system, like nuclear power plant, many factors would influence the performance of operators. An appropriate interface would effectively decrease the response time in a critical situation, and the number of error would certainly reduce by suitable interface.

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