(4)情境类因素和购买决策的关系。购买情境因素是直接促成
购买行为实现或延缓购买行为的辅助因素，既包括买卖双方的心理
沟通，也包括招牌、橱窗设计、店内装饰、货架排列与商品展示等
市场客观环境。因此，我们提出以下假设:
假设10:店内环境对购买决策有显著影响。
假设11:销售人员推荐对购买决策有显茗影响。
(5)相关群体类因素和购买决策的关系。消费者行为受相关群
体的影响主要是因为消费者对社会归属感的需要。消费者用产品或
品牌来识别群体并使自己成为某一群体的成员。他们通过观察来学
习相关群体如何进行消费，并采用相关群体购买决策的标准和方法
来进行自己的消费决策。据此，我们提出以下假设:

(4) situation class factor and purchase decision-making relations. The purchase situation factor is facilitates the purchase behavior to realize or the postponement purchase behavior cofactor directly, also includes round turns psychological the communication, also includes in the advertisement, the display window design, the shop to decorate, and so on shelf arrangement and commodity demonstration the market objective environment. Therefore, we propose the following supposition: supposition 10: In the shop the environment to purchases the decision-making to have the remarkable influence. supposition 11: The sales personnels recommend to purchase the decision-making to have obviously the tea influence. (5) related community class factor and purchase decision-making relations. The consumer behavior is been related group the body the influence is mainly because of the consumer to the social sense of belonging need. The consumer brand distinguishes the member who with the product or the the community and causes itself to become some community. How do they study through the observation the custom related community to carry on the expense, and uses the related community to purchase policy-making the standard and method carries on own expense decision-making. According to the above, we propose the following supposition: