Did the researchers conduct any background survey before the test? Did they take the variables like language barrier and lifestyle into account? Chinese mainly use Instant message apps like QQ wechat in most scenes of life, we do lost and found with police.
Without knowing the experimental subjects, how come this impractical can be regarded as fair?
If you want to know real China, go there and live like a Chinese, you will find out things are totally different with this unfair test.