Cora has not been able to stop feeling extremely sad and despondent since her mother died four months ago. For those who don't know her, Cora appears to be acting normally, but she privately still feels very sad about her loss and finds it very difficult to continue her daily routine. Cora's behavior is:

Completely normal.

Explanation:

This is the study of behavior and mental processes in humans and/or animals. it do predicts how a person will behave  and involve cognitive process (operation of the mind).

Grief

This is associated with emotion or group of emotions; the experience of loss of someone close or dear to you.

Mourning

This is simply an adjusting process as it helps in reorganizing one's life after a loss

Bereavement

This is the event of separation or loss

4 Categories of Loss. this includes;

1. Loss of a significant other

2. Loss of a part of self

3. Loss of external objects

4. Developmental loss

Losing of someone so important and close to you can be devastating. it usually leads to crying, moodiness, not eating or sleeping well. it is normal to feel that way and it is not abnormal or a sickness.

the above statement/question is (true);

answer; a biased sample;