Answer: yes , Tina would need to be further assessed formally to get clear and thoroughly results.
Explanation:
Generally mental health is assessed informally when a patient goes for an interview, Tina was just assessed informally now in order to find a diagnosis for what is causing this recent " confused " status.
Formal test and evaluation will consider various factors that may have been the cause for this confusion and various tests can be carried out depending on what is discovered during the formal tests.
