Example of a 2 (weather) X 2 (shampoo) factorial design
|
|
Type of Shampoo |
|
|
||
|
|
|
Shampoo A |
Shampoo B |
|
|
|
Weather Conditions
|
|
Shampoo A + Sunny
|
Shampoo B + Sunny
|
|
|
|
|
|
Shampoo A + Humid
|
Shampoo B + Humid
|
|
|
|
|
|
|
|
|
In this study, 25 participants were randomly assigned to one of the four conditions and asked to:
"Rate the degree of frizziness of Dr. Margolin's hair along the following scale:"
|
1
|
2 |
3 |
4 |
5 |
6 |
|
Not at all Frizzy |
|
|
|
|
Extremely Frizzy |
The frizziness rating is the dependent variable or variable being measured in the study.
Value: 1
