學者研究指出，筆勢指令運用於筆式環境，有助於操作績效上的提升，然而，過去對筆勢指令的研究，大多集中在PDA的操作議題上。繪圖板屬筆式環境的輸入裝置，因此應用筆勢指令於繪圖板數位繪圖環境上，是否也能得到良好的操作性，是本研究探討的目的。本研究採用Eisenhardt (1989)所提出的系統研發方式進行，第一階段為整理相關文獻、提出概念構想及假設；第二階段為概念之可發展性評估；第三階段為原型開發、測試與評估，並探討「筆式輸入裝置」與「軟體指令執行方式」對受測者在操作績效、SUS量表、NASA-TLX量表的影響。研究發現如下：

1.筆勢指令在檔案處理與編輯、圖層的控制、綜合應用方面，有良好的操作績效。
2.在系統使用性方面，4種軟體指令執行方式間，未有顯著差異存在。但四者之間，僅有筆勢指令(r)之平均數達60分的水準。
3.在受測者的主觀評價中，筆勢指令(r)有較好的績效表現及較少的身體負荷，圖形介面有較少的心智活動。在時間負荷、精力耗費、挫折程度項目方面，4種軟體指令執行方式間，未有顯著差異存在。
4.筆勢指令(k)與筆勢指令(r)在所有的任務績效，未有顯著差異存在。

Academic researchers indicated that the use of pen gesture commands in a pen-based environment could contribute to the improvement of operating performance. However, previous research on pen gesture commands tended to be focused on the operation of a PDA. A graphics tablet is also a pen-based input device. Therefore, could it get good operation results while applying pen gesture commands on a graphics tablet for a digital painting environment? It was the purpose of this research. This research adopted the method of system development proposed by Eisenhardt (1989). A total of three stages were conducted in this research. In the first stage, this research investigated current literatures, proposed concept designs and hypotheses. In the second stage, the applicability of proposed concepts was evaluated. In the third stage, prototypes were developed, tested and evaluated. The effects of “pen-based input devices” and “execution modes of software commands” on testees’ tasks performance, the System Usability Scale (SUS) and the National Aeronautics and Space Administration Task Load Index (NASA-TLX) were explored. The results generated in this research were shown as follows.

1.Pen gesture commands provided good operation performance in files handling and editing, layers control and integrated application.
2.There was no significant difference regarding the SUS among four execution modes of software commands. However, the average score of pen gesture commands(r) reached 60.
3.The results from the NASA-TLX showed that pen gesture commands(r) got good evaluation results on performance and physical demand, and GUIs required less mental demand. There was no significant difference among 4 software commands execution in temporal demand, effort and frustration level.
4.There was no significant difference in overall task performance between pen gesture commands(k) and pen gesture commands(r).

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