Common LED colors include amber, red, green, and blue. There is actually no such thing as a âwhiteâ LED. To get white light, the kind we use for lighting our homes and offices, different color LEDs are mixed or covered with a phosphor material that converts the color of the light. The phosphor is the yellow material you can see on some LED products.
Two-factor theory of emotion. For Herzberg's theory of motivation, see two-factor theory. The SchachterâSinger theory, or two-factor theory of emotion, states that emotion is based on two factors: physiological arousal and cognitive label. The theory was created by researchers Stanley Schachter and Jerome E. Singer.
Theories of Emotion. The major theories of motivation can be grouped into three main categories: physiological, neurological, and cognitive. Physiological theories suggest that responses within the body are responsible for emotions. Neurological theories propose that activity within the brain leads to emotional responses.