Did the researchers conduct any background survey for their experimental subjects? The researchers don’t understand Chinese as Chinese participants don’t under

Did the researchers conduct any background survey for their experimental subjects? The researchers don’t understand Chinese as Chinese participants don’t understand English. Communication efficiency -100. Participants’ lifestyle is different from researchers’. We use instant message apps for work and dailylife communication rather than Email, (e.g., apps WeChat, QQ. ) Without considering these variables (language barrier and lifestyle) into account. It’s unreasonable to call it a fair test.