Multiple Choice
The purpose of randomization is to reduce error that results from:
A) the way in which the outcome is assessed.
B) subjects' participation in the trial.
C) assignment to study conditions.
D) the way in which the outcome is assessed and assignment to study conditions.
E) All are correct.
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Treatment crossover refers to any change of
Q18: Controlled clinical trials enable researchers to:<br>A) test
Q19: Intervention designs involve only controlled clinical trials.
Q20: Which of the four stages of evaluation
Q21: To test the efficacy of vitamin C
Q23: A prophylactic trial is designed to:<br>A) compare
Q24: You would like to assess the effectiveness
Q25: To test the efficacy of a health
Q26: The entire population of a given community
Q27: You are interested in finding out whether