Vaccinations & Clinical Trials Flashcards
1
Q
Why are subjects in a clinical trial randomly divided into groups?
A
Reduce bias in the distribution of age and gender
2
Q
What is a double-blind trial?
A
Neither the subjects or researchers know which group subjects are in
3
Q
What is the purpose of a double-blind trial?
A
Prevent biased interpretation of the results
4
Q
Why does one group receive a placebo- control?
A
To ensure a valid comparison
5
Q
State 2 reasons why have large numbers involved in clinical trials is important.
A
- reduces experimental error 2. establish statistical significance
6
Q
What name is given to the population when a large percentage are immunised?
A
Herd
7
Q
What is added to a vaccine to make it more effective?
A
adjuvent
