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Higher Human 3.8
3.8- Clinical Trials of Vaccines and Drugs
| Question | Answer |
|---|---|
| What is used to determine the safety of vaccines and drugs? | Clinical Trials |
| What is used to determine the effectiveness of vaccines and drugs? | Clinical Trials |
| During clinical trials what method is used to reduce bias in the distribution of characteristics? | Subjects in clinical trials are divided into groups in a randomised way |
| During clinical trials what method is used to reduce bias in the interpretation of results? | a double-blind trial neither the subjects nor the researchers know which group subjects are in. One will get the drug/vaccine and one will not. |
| During clinical trials what method is used to ensure valid comparisons? | placebo-controlled protocols- One group of subjects receives the vaccine or drug while the second group receives a placebo-control to ensure valid comparisons. |
| What needs to be done to reduce the experimental error? | Make sure a large number are involved in the trial. |
| What else does a large groups size help to ensure? | statistically significance in the differences between groups. |