出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/06/22 11:50:23」(JST)
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An impulse purchase or impulse buying is an unplanned decision to buy a product or service, made just before a purchase.[1] One who tends to make such purchases is referred to as an impulse purchaser or impulse buyer. Research findings suggest that emotions and feelings play a decisive role in purchasing, triggered by seeing the product or upon exposure to a well crafted promotional message.[1]
Marketers and retailers tend to exploit these impulses which are tied to the basic want for instant gratification. For example, a shopper in a supermarket might not specifically be shopping for confectionary. However, candy, gum, mints and chocolate are prominently displayed at the checkout aisles to trigger impulse buyers to buy what they might not have otherwise considered.[2] Alternatively, impulse buying can occur when a potential consumer spots something related to a product that stirs a particular passion in them, such as seeing a certain country's flag on the cover of a certain DVD. Sale items are displayed in much the same fashion.
Impulse buying can also extend to more expensive items such as automobiles and home appliances. Automobiles in particular are as much an emotional purchase as a rational one. This in turn leads auto dealers all over the world to market their products in a rapid-fire, almost carnival-like manner designed to appeal to emotion over reason.
Impulse buying disrupts the normal decision making models in consumers' brains. The logical sequence of the consumers' actions is replaced with an irrational moment of self gratification. Impulse items appeal to the emotional side of consumers. Some items bought on impulse are not considered functional or necessary in the consumers' lives. Preventing impulse buying involves techniques such as setting budgets before shopping and taking time out before the purchase is made.[3]
A study published in the June 2008 issue of the Journal of Consumer Research suggests that consumers are more susceptible to making impulsive purchases for one brand over another if they are distracted while shopping. In the study, Central Michigan University Psychology professor Bryan Gibson surveyed college students by measuring their preference for a variety of soft drinks, including Coke and Pepsi. Results of Gibson's study found that implicit attitudes, or those that people may not be conscious of and able to verbally express, predicted product choice only when participants were presented with a cognitive task, suggesting that implicit product attitudes may play a greater role in product choice when the consumer is distracted or making an impulse purchase.[4]
While impulse purchasing happens at almost every retail chain, Walmart in particular has gained a well-known reputation for individuals making impulse purchases.[5]
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