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Author Question: A researcher reports a positive relationship between sugar consumption and activity level for a ... (Read 85 times)

jho37

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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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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
Wow, this really help


elyse44

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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