Only the symptoms narrowing via Doctor job rank and your own observations. For those who wonder, Logic does not factor into diagnosing at all. You can also hang Mathematical Diagrams (via Logic with an Easel) in the area where Patients are treated. While at the hospital, you can use the computer to 'Research Health Reports on Medical Journal' and remain Focused (+2). This is best done by using 'Ponder Moves' on a chess table before work or using Browse Simpedia at a computer. The Ideal Mood for this Career is Focused, though it only helps to raise your Sim's work performance bar and does not factor into diagnosing patients. You can now get promotions with careers.promote doctor - you can also see all Career Cheats or visit a full list of Cheats in The Sims 4. Press Control + Shift + C then type testingcheats on and press enter.
