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Trial Design: Pain Sections
Author Bio
Introduction
Placebo Effects
Single Dose Trials
Repeated Dose Trials
Currently selected section: Explanatory Versus Pragmatic
Dose-Response
Parallel Group Versus Crossover
Conclusion
 

Chapter 1: Clinical Trials of Pain Treatment: Explanatory Versus Pragmatic
 
 
Problem 5.3
Control groups
Positive control --The single most important control group is a positive control -- the drug most commonly used in practice, such as morphine for visceral pain.
 

EXPLANATORY                                         

PRAGMATIC
 
Placebo -- The single most important control group is a placebo
 
EXPLANATORY                                          PRAGMATIC
 
Answer


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