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Author Question: A researcher reports a positive relationship between sugar consumption and activity level for a ... (Read 98 times)

jho37

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on: Jun 19, 2018
A researcher reports a positive relationship between sugar consumption and activity level for a group of eight-year-old children. However, the researcher cannot be sure whether the extra sugar is causing the children to be more active or whether the extra activity is causing the children to eat more sugar. This is an example of the ____.
 
  a. third-variable problem
  b. directionality problem
  c. reversal problem
 d. criterion problem

Question 2

How does the switching-replications design enhance generalizability?
 
  What will be an ideal response?


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princessflame2016

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Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

Because it allows for two independent implementations of the program, the switching-replications design may enhance external validity or generalizability


jho37

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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