When individuals provide survey responses that represent them in the most positive way, even if the responses are untrue, this is

Social desirability bias

Explanation:

Social desirability bias is defined as the response that is given through subject of research by giving desirable answer in social manner instead of the genuine and actual response. This type of response can be due to sensitive social issue on which research is being conducted .

Topics on which this type of response is obtained can be political subject ,drugs, religion , culture,personal etc due to which true feelings in giving response is not reflected as a personal trait.  

can you explain a little further maybe give multiple choice? ?

saving account is right