randomised control trials

Question 1

what are the advantages and disadvantages of randomized control trials

Answer 1

advantages
- addresses confounding

disadvantages

• expensive
• usually too small (expense)
• usually not ‘real world’
• poor compliance

Question 2

define concealed allocation

Answer 2

person randomising the patient doesnt know what the next treatment allocation will be

Question 3

define double blind

Answer 3

group not known by patient or people providing treatment