Going through self-report inventories and inserting a lie scale is a way to in preventing

Stress or Depression. Misdiagnose. The self report study is a type of survey, in which respondents read the question and select a response by themselves without researcher interference. In this method, it involves asking a participant about their feelings, attitudes, beliefs and so on. It also has validity problems.

They need to know because sometimes they have a symptom

The administration should take action.