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.
First proposed by American psychologist James [. ] and independently developed by Danish psychologist Lange [. ], the James-Lange theory of emotion states that the immediate, primary cause of an emotion is physical.Bodily changes and physiological processes, which occur as a result of environmental stimuli, evoke certain feelings in the conscious mind.hus, the hypothesis of emotion became known as the James-Lange theory. Before this theory gained credence, an emotion was assumed to begin when a person interpreted an emotion-inciting stimulus, which was then followed by a bodily reaction.