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Author Question: Think of a research experiment designed to test which diet is best at helping people lose ... (Read 54 times)

Lobcity

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on: Jul 13, 2018
Think of a research experiment designed to test which diet is best at helping people lose weightAtkins, Jenny Craig, or Weight Watchers.
 
  The results could show that the average weight lost on Atkins was 6 pounds per week and on Jenny Craig and Weight Watchers was 2 pounds per week. It is important to ask yourself if participants are dropping out of a study in a manner that might influence the results to determine if __________ is a threat to internal validity.
 
  a. testing
  b. diffusion of treatment
  c. instrumentation
  d. attrition

Question 2

The degree of spread among data when surrounding the mean is known as __________.
 
  a. statistical variance.
  b. regression to the mean.
  c. nominal variance.
  d. statistical standard deviation.


ndhahbi

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Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


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Lobcity

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Reply #2 on: Jul 13, 2018
Thank you


ndhahbi

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Reply #3 on: Jul 13, 2018
No problemo


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