Author Question: What is the relationship between main effects and interactions? ____. a. At least one of the ... (Read 23 times)

clmills979

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What is the relationship between main effects and interactions? ____.
 
  a. At least one of the factors involved in the interaction must have a main effect.
  b. None of the factors in the interaction can have a main effect.
 c. All of the factors involved in the interaction must have main effects.
 d. The existence of an interaction is independent of the main effects.

Question 2

If there is not random assignment, but there is a control group and/or multiple measures, a research study can be said to be a(n) _______________.
 
  Fill in the blank(s) with correct word



frogdreck123456

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Answer to Question 1

d

Answer to Question 2

quasi-experiment
quasi experiment



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