: Arranges 8 primary emotions (and their opposites) on a color-coded wheel to show how they blend. Computational Techniques
Researchers and psychologists use several established models to categorize and measure feelings: An Analysis of Feeling
: Typically lists six basic emotions: anger, disgust, fear, happiness, sadness, and surprise. : Arranges 8 primary emotions (and their opposites)
: This identifies a set of "basic" emotions. An Analysis of Feeling
: The level of physical excitation or personal power associated with the feeling.