Anonymous

# 麻煩翻譯一段英文(有關醫學)

(麻煩用自己意思翻，不要用翻譯軟體，謝謝)

The monitor was placed at eye level on a table. The viewing distance, measured from the surface of the monitor to the participant's eyes, was fixed at approximately 50 cm.

participant's responded by pressing keys on the keyboard.