首先，观察结果可能会不可靠，因为两个及以上的观察者可能无法对特定的具体反应是否发生以及反应发生的程度达成一致意见。

First, the observation may be unreliable in that two or more observers may not agree that the particular response occurred, or to what degree it occurred.

youdao

首先，观察结果可能会不可靠，因为两个及以上的观察者可能无法对特定的具体反应是否发生以及反应发生的程度达成一致意见。

First, the observation may be unreliable in that two or more observers may not agree that the particular response occurred, or to what degree it occurred.

youdao