According to the gestalt psychologists, we tend to fill in the gaps to create a complete, whole object. this is called the principle of

This is called the principle of closure.

Explanation:

Principle of closure allows the human mind fill in the gap in incomplete objects to create a complete object. For example, you come across a picture of a square with gaps/dotted lines but you are still able to figure that its a square because you are successfully able to fill in the gaps. This concept only works well when you are familiar to the patterns and objects being shown.

answer; the negotiator was not in full control of his or her actions and hence should not be held responsible;