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Author Question: A food that provides only 20 percent of a nutrient's Daily Value (DV) is considered low in that ... (Read 57 times)

Metfan725

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on: Aug 20, 2018
A food that provides only 20 percent of a nutrient's Daily Value (DV) is considered low in that nutrient.
  Indicate whether the statement is true or false

Question 2

How can researcher bias affect an intervention study's final results?


mk6555

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Reply #1 on: Aug 20, 2018
Answer to Question 1

FALSE

Answer to Question 2

A researcher can inadvertently influence a study's outcome simply by knowing which subjects received an actual treatment and which received a placebo. This is a type of researcher bias. For example, if a researcher knows that certain participants received a treatment thought to improve memory, he might unconsciously score a memory test more favorably for those individuals. Because this type of bias may affect a study's final results, it should be avoided at all costs.


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