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Author Question: Which type of observational study gives you better quality data, a retrospective study or a ... (Read 33 times)

jessicacav

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on: Jul 24, 2018
Which type of observational study gives you better quality data, a retrospective study or a prospective study, and why?

Question 2

The case-control design has some clear advantages over randomized experiments as well as over other observational studies. Name two of those advantages.


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anoriega3

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A PROSPECTIVE STUDY IS A BETTER PROCEDURE BECAUSE PEOPLE OFTEN DO NOT REMEMBER PAST EVENTS ACCURATELY.

Answer to Question 2

ANY TWO OF THE FOLLOWING ARE OK: EFFICIENCY IN TERMS OF TIME OR MONEY; NOT HAVING TO WORRY ABOUT THE ETHICS INVOLVED IN RANDOMLY ASSIGNING PEOPLE TO EITHER HARMFUL OR BENEFICIAL TREATMENTS; AND INCLUSION OF ENOUGH PEOPLE WITH THE CONDITION YOU ARE STUDYING.


jessicacav

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Reply 2 on: Jul 24, 2018
Excellent

Dinolord

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Reply 3 on: Yesterday
Wow, this really help

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