[论文解读] Integrating User eXperience Practices into Software Development Processes: Implications of Subjectivity and Emergent Nature of UX

Pariya Kashfi, Agneta Nilsson+1 more|arXiv (Cornell University)|May 12, 2016

Persona Design and Applications参考文献 33被引用 4

一句话总结

本文識別出在軟件開發中整合使用者體驗（UX）實務的11項經驗性挑戰，將其困難度提升歸因於UX的本質主觀性與衍生性。研究顯示，UX挑戰不僅僅是可用性或軟體品質問題的重疊，而是源自五項核心問題（如對時機的敏感度、記憶效應、原型需求等），使UX在衡量與管理上獨具複雜性。

ABSTRACT

Many software companies face challenges in their work with User eXperience (UX) and how to integrate UX practices into existing development processes. A better understanding of these challenges can help researchers and practitioners better address them. Existing research does not analyse UX challenges in relation to other software quality characteristics including usability. In this empirical study, we have interviewed 17 practitioners from eight software development companies. Their responses are coded and analysed with thematic analysis. We report 11 challenges that practitioners face in their work with UX. Some of these challenges partly overlap with those reported in existing literature about usability or software quality characteristics. In contrast to these overlaps, the participants of our study either view many of the challenges unique to UX, or more severe than for usability or other quality characteristics. Although at a superficial level challenges with UX and other quality characteristics overlap, we differentiate these challenges at a deeper level through two main aspects of UX: subjectivity and emergent nature. In particular, we identify at least five issues that are essential to the very nature of UX, and add at least seven extra difficulties to the work of practitioners. These difficulties can explain why practitioners perceive the challenges to be more severe than for other quality characteristics. Our findings can be useful for researchers in identifying industrially relevant research areas and for practitioners to learn from empirically investigated challenges and base their improvement efforts on such knowledge. Investigating the overlaps can help finding research areas not only for enhancing practice of UX but also software quality in general. It also makes it easier for practitioners to spot, better understand as well as find mitigation strategies for UX challenges.

研究动机与目标

• 探討實務者在將UX實務整合至軟體開發流程時所面臨的挑戰。
• 理解UX挑戰與可用性或其他軟體品質特性的挑戰有何差異。
• 識別UX挑戰被視為更嚴重或獨特的背後原因。
• 提供基於實證的洞見，以深化對UX主觀性與衍生性本質的理解，進而改善UX整合。

提出的方法

• 對來自八家軟體開發公司的17位實務者（涵蓋多樣角色與背景）進行半結構化訪談。
• 運用主題分析法對訪談資料進行編碼與詮釋，識別重複出現的挑戰與核心主題。
• 將挑戰分類為與既有可用性與軟體品質文獻重疊者，以及UX獨特者。
• 透過分析UX的雙重本質——主觀性與衍生性——區分UX特有的困難。
• 識別出五項與UX本質內在相關的關鍵問題（如對任務時機的敏感度、記憶效應等），以解釋實務者面臨的困難度增加。
• 將識別出的挑戰與既有軟體品質文獻對照，以突顯重疊與差異，為未來研究與實務提供指引。

实验结果

研究问题

• RQ1 實務者在將UX實務整合至軟體開發流程時，面臨的關鍵挑戰為何？
• RQ2 UX挑戰在性質與嚴重程度上，與可用性或其他軟體品質特性的挑戰有何差異？
• RQ3 UX的主觀性與衍生性在多大程度上解釋了管理UX比其他品質屬性更具困難的原因？
• RQ4 哪些與UX本質內在相關的具體問題，導致UX挑戰被視為更為嚴重？

主要发现

• 在八家軟體組織中，共識別出11項獨特的UX整合挑戰，實務者普遍反映在有效管理UX方面面臨重大困難。
• 雖然部分挑戰與可用性或軟體品質重疊，但實務者因UX獨特的主觀性與衍生性，而認為UX挑戰更為嚴重。
• 識別出五項與UX本質內在相關的關鍵問題：UX衡量對時機與任務性質的敏感度、易受記憶衰退與虛構影響、需具統計意義的使用者樣本、需高階次原型、整體UX無法簡化為其組成元素的總和。
• 實務者在早期開發階段常缺乏足夠的使用者或高保真原型，加劇了衡量與評估的困難。
• 抽象或非任務相關的UX特質（如情感反應）尤其難以轉化為具體、可執行的需求。
• 缺乏標準化、廣泛共識的UX指標與衡量架構，進一步複雜化了系統性整合UX的過程。