第五章 結論與建議
第三節 未來研究展望
基於使用者對於使用者介面設計的差異化需求,如何在使用者需求和設計師設計 專業間,求取較為客觀而精準的元件偏好權重值(weight value),藉以調整各項使用需 求映對設計元件的優先順序,並降低其誤差。有學者主張利用 AHP 或 Fuzzy logic 模 式予以改善,可作為後續研究的一個重要方向。
針對使用者實際操作的需求調查部分,因大多數使用者不熟悉資訊系統的介面設 計元件。在問卷調查上,常會出現相同問題,所得到的答案卻呈現極大的差異。建議 在實施問卷調查之前,可先針對使用者進行資訊系統介面設計元件的說明,並以模糊 問卷方式修正調查結果落差過大的問題。
使用本研究所提出的 ISM-MICMAC 方法分析層級結構中的組成元件,研究發現 位於第一象限的傳遞性因素,即層級架構中間變動層級的元件,彼此具備互動關聯
性,易形成複雜的模組,並具有次級系統的特性。由於這類因素具備高度變異性,容 易產生不確定性的變化。若未能有效注意與控制,可能導致整個系統設計產生不可預 期的演變,甚至造成系統的崩解。針對複雜系統中所存在的次級系統,後續將嘗詴以 系統工程中的其他相關方法,研究分析次系統中,可能隱藏的變異性與不確定性。
由於系統的設計品質與使用者滿意度有著密切的關連性,後續可藉由 Kano’s model (Kano, 1984) 探討如何評估:
1. 使用者對於多元件組成系統的需求滿意程度 2. 使用者對設計元件的偏好程度
3. 使用者需求映對設計元件的品質績效
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