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Author Question: The base model in hierarchical regression ____. a. adds direct effects b. includes only control ... (Read 87 times)

Brittanyd9008

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The base model in hierarchical regression ____.
 a. adds direct effects
  b. includes only control variables
  c. adds continuous variable interactions
  d. includes no independent variables

Question 2

Concomitant variation is sufficient evidence to determine causality in experiments.
 
 Indicate whether the statement is true or false



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lorealeza

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Answer to Question 1

B

Answer to Question 2

F
Concomitant variation is only one piece of causal evidence  temporal sequence and nonspurious association are also necessary.





 

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