What Is the Difference Between All-Or-None Studies and Case-Series Studies

Multiple Choice

What is the difference between all-or-none studies and case-series studies? Select all that apply.

A) All-or-none studies' participants must all respond to the treatment.
B) All-or-none studies involve a series of individual study participants.
C) All-or-none studies are quite rigorous.
D) All-or-none studies require a large number of individual subjects to be conclusive.