randomised control trials Flashcards
1
Q
what are the advantages and disadvantages of randomized control trials
A
advantages
- addresses confounding
disadvantages
- expensive
- usually too small (expense)
- usually not ‘real world’
- poor compliance
2
Q
define concealed allocation
A
person randomising the patient doesnt know what the next treatment allocation will be
3
Q
define double blind
A
group not known by patient or people providing treatment
