Professor Huang Kuang-kuo has commented on why the national lottery is so popular in Taiwan: "If a person wins just once, he will be encouraged to keep on buying.
按照台大心理系教授黃榮村的說法，人總會受「制約反應」或「部分獎賞效果」的影響，偶爾中了一次小獎，會增加持續購買獎券的行為。