• 沒有找到結果。

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第五章 結論

本研究使用 Amazon 上數位相機 Canon PowerShot 三世代產品 SX210, SX230, SX260 之消費者評論進行面相意見探勘。不同於過去研究未考量評論會因發表先 後順序而受到影響,本研究提出之一致性改善程式,找出消費者隱而未現之意見。

最後,使用本研究提出之 GPA Matrix 輔以迴歸、決策樹分析,彙整成為 MPA Matrix 觀察消費者感受之重要面相於三個世代產品間的轉移。

然而,本研究也存在研究限制。首先,本研究為高涉入性產品,原因為消費 者在購買前會力行資料蒐集作業,降低其資訊不對稱性,因此消費者評論的重要 性顯得格外重要,然而,本研究並未討論低涉入性產品之相關研究。其次,填值 的有效性無法驗證。雖然本研究觀察消費者有隱而未現的資料,並以相關研究為 前提假設建置填值方式,卻無法取得正確答案,了解消費者實際上隱含的意見是 否如同填值後的結果,僅能以不同的至少考量數目以情境分析推測其有效性。因 此,未來研究建議能以填值後的有效性進行實驗,透過設計更精緻的填值方式,

找出消費者隱而未現的意見。以期更精準的利用資訊,在海量資料中,萃取有用 的知識,以提供廠商改善之建議。

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