The best strategy to pass step 3 is to admit a real weakness and focus on how you improve yourself. Don't take a chance. Enroll now. Biostats and epidemiology is the greatest weakness and limitation to most students.Our live lectures will make it easier for you to correctly answer the most difficult exam questions.
You are focused on internal medicine, surgery and pediatrics in your preparation and that is not wrong, but you should not underestimate  other important subjects. Understanding of biostatistics, epidemiology and general population health, and interpretation of the medical literature are very important to pass. We will Help you understand the basics about biostatistics and epidemiology in our live 1 x 1 lectures which covers high yield topics and exam-style questions.    
 
A 3 hours long live rapid review in peidemiology and biostatistics, appriasal of medical articles lecture focuses on the following topics:
Definitions
Prevention
Measures of morbidity & mortality
Screening tests
Study design
Measures of association
Study errors
Measures of central tendency
Inferential statistics
Statistical tests
Appraisal of medical articles.