Character, belief, value, principle.

The root word "ment" in mentality refers to the mind or mental faculties. So, mentality essentially refers to a person's way of thinking or their outlook on things.

what is the optimal mind set of an investigator and how are concepts associated with the optimal mindset of investigators manifest

Mentality refers to one's overall way of thinking or attitude towards something, often ingrained over time. Mindset, on the other hand, refers to the specific beliefs or attitudes that influence how someone approaches a particular situation or task. In summary, mentality is more general and overarching, while mindset is more focused and situational.

She approached the challenge with a growth mindset, believing that she could improve through effort and perseverance.