I believe the answer is Pupils narrow
When people are confronted with stressful situations, our pupils will dilated, not narrowed.
When this happen, our body will enter a fight-or-flight situation, which would be determine on our personal assessment towards whether we could handle the outcome of the situation.
I believe the answer is: Grief
In psychology, grief refers to the process of coping with the overwhelming emotions that created when we loss someone that we care about.
During this process, most individuals would most likely unable to use the social and cognitve skills normally, which would affect their overall behavior
It is called experimenter bias
experimenter bias refers to the cognitive bias that held by researchers that might cause them to subconsciously influence the outcome of the experiment.
The most likelt cause of this bias is a situation where experimenters held a certain belief or expectation for the outcome of the experiment.
Every fundamental right also contains some exceptions for example the right to equality says that the state should make special provisions for women and children, scheduled castes and scheduled tribes and backward classes
