Obtrusive measures are used primarily to obtain feedback on user preferences for various system features and their opinions on system performance.

 
  • 強迫性觀察的評量主要是可以獲得使用者徧好的回饋,以及他們對系統效益的看法。諸如,以訪談方式或在研究者督下進行系統測試。
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