Does it work once a day? What happens in the research? treatment There are different ways of giving compare We want to two different ways which is best We want to know xxx Treatment A is xxx Treatment B is 200 people We want to take part Half the people treatment A will have Half the people treatment B will have computer decides The
Does it work once a day? What happens in the research? There are different ways of giving treatment We want to compare two different ways We want to know which is best Treatment A is xxx Treatment B is xxx We want 200 people to take part Half the people will have treatment A Half the people will have treatment B The computer decides