【阅读】
标题:Social referencing
定义:Babies can gradually understand new environments and learn to respond to them.
听力要点
【听力】
例子: 对照组实验:实验1、6-month babies had no response to their mothers' facial expressions。They played new toy dolls immediately regardless of whether their moms smiled or frowned, because they are too young to understand and respond the environment。实验2、1-year babies had response to their mothers' facial expressions。They played new toy dolls immediately if their moms smiled or avoided new toy dolls if their moms frowned。
【阅读】
标题:demand shifting
定义:Two strategies of demand shift reduce the peak-peak demanding; increase the poor-peak demanding.
听力要点
【听力】
例子: 教授举例说他的一个在洛杉矶的朋友开了一家餐馆,这个餐馆在晚上7-9点之间,人声鼎沸,很少有位置。有些顾客愿意等位置,但很多人都不想等而是换其它地方吃饭。于是,教授的朋友就create a new deal。对于7点之前吃饭的顾客就免费提供desert。于是有些原来七点后来的顾客为了得到免费甜品,就提早来,并且提前结束吃饭。这样餐馆比以前更加赚钱。