Example of a (weather) X 2 (shampoo) factorial design with dependent variable measures
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Type of Shampoo |
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Shampoo A |
Shampoo B |
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Weather Conditions
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Shampoo A + Sunny Mean Rating = 1 |
Shampoo B + Sunny Mean Rating = 3 |
Sunny Mean =2 |
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Shampoo A + Humid Mean Rating = 2 |
Shampoo B + Humid Mean Rating = 6 |
Humid Mean = 4 |
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Shampoo A Mean = 1.5 |
Shampoo B Mean = 4.5 |
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On average, Dr. Margolin's hair was rated as most frizzy when shampoo B was used and the weather was humid. Her hair was less frizzy when shampoo A and humid conditions and shampoo B and sunny conditions were present. Least of all was the frizziness mean rating when shampoo A and sunny conditions were present.




