Factorial Designs copy.pptx - Factorial Designs Chapter 12...

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Factorial Designs Chapter 12
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Characterized by the number of IVs the number of levels in each IV the type of IV between vs. within manipulated vs. subject Other things to know: Between only: Random assignment only or matching + random assignment? Within only: Complete or incomplete? Full or partial counterbalancing? Factorial Designs
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IV 1 : Alcohol Yes (8oz/100lbs) No IV 2 : Amount of Caffeine 400mg 200mg 0mg For example… two levels between-subjects manipulated variable random assignment three levels between-subjects manipulated random assignment This is a 2 x 3 independent groups factorial design
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How did we get that? 2 x 3 random groups factorial design # levels for IV 1 # levels for IV 2 Subjects are randomly assigned to levels of IVs More than one IV
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IV 1 : Breed of Dog Bulldog Greyhound Labrador IV 2 : Type of Food Chunks ‘n’ Lumps Kroger Kibble Purina ONE Let’s try another one… three levels
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  • Spring '14
  • ChristopherT.Goode

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