Whose model focuses on four tasks of mourning, including accepting the reality of the loss, processing the pain of grief, and finding an enduring connection with the deceased?

Worden

Explanation:

This question is incomplete. The options for this question are:

William Worden is a psychologist who has developed a theory on how people go through the process of mourning and he states there are 4 different stages or tasks people go through:

In this example, we are asked whose model focuses on four tasks of mourning, including accepting the reality of the loss, processing the pain of grief, and finding an enduring connection with the deceased. We can see that these are actually the names of the four stages of William Worden theory, and therefore, the correct answer is Worden.

the answer to your question is,

old stone age.

-mabel < 3