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.
James-Lange Theory of Emotion. The James-Lange theory of emotion was proposed by psychologist William James and physiologist Carl Lange in the mid 1880s. This theory states that our emotions are caused by our interpretation of bodily reactions.ccording to the James-Lange theory of emotion, observing something leads to a physiological reaction, and the way your brain interprets your body's physical reaction impacts your emotional response.