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Author Question: Lindsey is analyzing her data. For her analysis, what level of power should she try to achieve? ... (Read 72 times)

kellyjaisingh

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on: Jul 13, 2018
Lindsey is analyzing her data. For her analysis, what level of power should she try to achieve?
 
  a. .50
  b. .80
  c. .90
  d. .75

Question 2

Many colleges and universities offer a freshman seminar class to prepare students for college life.
 
  Colleges put a great deal of money into these classes and want to know if the freshman seminar classes (the independent variable) have an influence on the students' attitudes and behaviors (the dependent variable). This is commonly measured by conducting a survey at the end of the first year about information covered in the classes. Which of the following threats to internal validity could influence survey results?
 
  a. history
  b. regression to the mean
  c. maturation
  d. selection


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reelove4eva

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

B

Answer to Question 2

C


kellyjaisingh

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Reply #2 on: Jul 13, 2018
Thank you :)


reelove4eva

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Reply #3 on: Jul 13, 2018
Happy to help you


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