Which psychological principle did Thomas Edison specifically apply when developing the light bulb's marketing strategy that helped it achieve mass adoption despite competing technologies?

Throughout history, many groundbreaking inventions weren't just technological marvels but also masterpieces of consumer psychology. Inventors who understood human behavior often created the most successful products. This poll explores how psychological principles influenced famous inventions and discoveries that transformed markets and consumer behavior. Test your knowledge about the fascinating intersection of psychology and innovation!

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Loss aversion - Edison priced bulbs lower than kerosene lamps initially, emphasizing the 'loss' of money consumers experienced with older lighting methods
Social proof - Edison installed lights in prominent public locations and enlisted celebrities to use his bulbs before targeting average consumers
Scarcity principle - Edison limited initial production to create artificial demand and perception of prestige ownership
Anchoring bias - Edison first announced an extremely high price, then 'reduced' it to make consumers feel they were getting exceptional value