USMLE World Biostats/Epi: Is it representative?

[Helo]

Quick question! Is the Epi on USMLE world representative? I keep getting these epi questions (i.e."lead time bias"), etc that I've never seen before, I was wondering if the real thing is this specific as well. Thanks in advance!

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[InternationlDoc]

uhh...lead time bias is kinda important to know bro.

 

[SOUNDMAN]

yes they were pretty much spot on for my exam.

 

[Helo]

Thanks for the responses! I guess i have some catch up to do for epi...