10 Questions
What two aspects of a study's validity should be thoroughly examined and confirmed before deriving conclusions and generalizing research findings?
Internal and external validity
What is required to judge the internal and external validity of a study?
Experience, critical thinking, and informed judgment
Why is it important to critically examine the evidence before using it in clinical practice?
To ensure the study is free from bias and the results are generalizable
What is the main criterion of internal validity that is not subjective in nature?
Chance
What is the importance of external validity in a study?
To ensure the results can be generalized to other populations and settings
What should researchers do before deriving conclusions and generalizing research findings?
Thoroughly examine and confirm both internal and external validity of the relevant research studies
What is the main difference between internal and external validity?
Internal validity refers to whether the study is free from bias, while external validity refers to whether the results can be generalized
Why is it important to consider both internal and external validity in a study?
To ensure the study is free from bias and the results are generalizable
What is the name of the chapter in Hennekens CH & Buring JE's book 'Epidemiology in Medicine' that discusses internal and external validity?
Chapters 14-15
What is the title of the article by Steckler et al. that discusses external validity?
The Importance of External Validity
This quiz is based on a study published in European Urology in 2014. It investigates the association between the Mediterranean Diet and prostate cancer mortality in a sample of male health professionals over 24 years. Test your knowledge of the study's findings and implications.
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