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Author Question: If neither Variable A nor Variable B has a main effect you can have a. no interaction b. a ... (Read 129 times)

jilianpiloj

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  • Posts: 521
on: Jun 20, 2018
If neither Variable A nor Variable B has a main effect you can have
 
  a. no interaction
  b. a ceiling effect interaction
  c. an antagonistic interaction
  d. a synergistic interaction

Question 2

Dr. Caster decides to perform an experiment investigating the effects of caffeine and sugar on motor skill performance. He randomly assigns his subjects to one of four groups: high caffeine/high sugar, high caffeine/no sugar, no caffeine/high sugar, no caffeine/no sugar. People in each group are given a soft drink containing the appropriate levels of sugar and caffeine, and then tested on a mirror tracing task. Dr. Caster finds that the people in two of the groups (the high caffeine/high sugar and the no caffeine/no sugar) perform at about the same high level, while the other two groups (the no caffeine/high sugar and high caffeine/no sugar) perform at about the same poor level. Dr. Caster's results show
 
  a. a main effect of caffeine
  b. a main effect of sugar
  c. a synergistic interaction
  d. an antagonistic interaction


kxciann

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Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

d


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