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Mediterranean Diet and Prostate Cancer Risk

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Mediterranean Diet and Prostate Cancer Risk

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Questions and Answers

What two aspects of a study's validity should be thoroughly examined and confirmed before deriving conclusions and generalizing research findings?

Internal and face validity

Internal and external validity (correct)

External and ecological validity

Internal and construct validity

What is required to judge the internal and external validity of a study?

Only knowledge of statistics and research methods

Only knowledge of research methods

Only statistical knowledge

Experience, critical thinking, and informed judgment (correct)

Why is it important to critically examine the evidence before using it in clinical practice?

To ensure the study is well-designed

To ensure the study is free from bias and the results are generalizable (correct)

To ensure the results are statistically significant

To ensure the study is published in a reputable journal

What is the main criterion of internal validity that is not subjective in nature?

Chance Signup and view all the answers

What is the importance of external validity in a study?

To ensure the results can be generalized to other populations and settings Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

What is the title of the article by Steckler et al. that discusses external validity?

The Importance of External Validity Signup and view all the answers