5 Questions
What is the purpose of an experimental study design?
To determine the cause and/or effect of a particular factor
What is an example of an experimental study design?
Clinical trial
What does blinding represent in randomized controlled trials?
That the participants are unaware of the group allocation
What is triple-blindness?
That the doctor and the statistician are unaware of the group allocation
What type of research uses controlled experiments to determine the cause and/or effect of a particular factor?
Experimental study design
Study Notes
- An experimental study design is a type of research that uses controlled experiments to determine the cause and/or effect of a particular factor.
- In an experimental study, the investigator takes direct action to manipulate one or more factors in order to study the effects.
- There are three types of experimental study designs: clinical trial, field trial, and community trial.
- The aim of experimental study designs is to provide scientific proof of the etiological factors/risk factors.
- Blinding represents an important, distinct aspect of randomized controlled trials.
- Triple-blindness means that all participants, the doctor and the statistician are unaware of the group allocation.
- Only the principal investigator is aware of the group allocation and the treatment allocation.
Test your knowledge of experimental study designs and blinding in research with this quiz. Learn about the different types of experimental study designs, their aims, and the significance of blinding in randomized controlled trials.
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