After all, it's hard to do a double-blind test when the subjects can see for themselves whether or not the light is on.

毕竟，要做双盲测试是很困难的，因为受试者自己可以看到灯是否亮着。

youdao

Double blind test was used in whole experiment.

整个实验采用双盲法。

youdao

Double blind test was used in whole experiment.

整个实验采用双盲法。

youdao