第六章 結論
第三節 研究限制與未來建議
過去研究中曾加入產品類別作為調節變數 (Baek et al., 2012)，以探討經驗品 與搜尋品的差異。雖然現今資訊傳播十分發達，許多過去歸類於經驗品的產品逐 漸轉為搜尋品，但是仍無法完全取代。
本研究所採用的資料是針對平板市場所收集，屬於搜尋品的資料集，因此研 究結果可能無法直接套用至經驗品的範疇。另外在不同電子商務平台上的使用者 特性可能有所不同，不同國家的國情也有所不同，本研究針對亞馬遜商店上的評 論進行分析，分析結果未必能完全吻合所有電子商務平台。
基於上述限制，未來在進行相關研究時，可以考慮同時納入經驗品與搜尋品，
或是針對不同國家或語言的評論進行進一步的研究。本研究基於資料集的限制，
在來源可信度方面僅以評論者排名作為衡量要素，事實上在電子商務平台上，除 了評論者的排名仍有許多的影響要素，因此未來研究時可以考慮進一步探討其他 評論來源可信度要素對幫助性之影響，以更全面的角度進行評論分析。
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