ABCnews主管追踪调查的首席记者布瑞恩·罗斯和他的同事们进行了这样一次抽样调查:他们在洛杉矶市和纽约市任意选择了40名警官,在6个星期的时间内,他们向这40名警官分别上缴了40个钱包,每个钱包里都塞了不同数量的现金,还有带姓名、地址和电话的种种身份证件。事实上,早在70年代罗斯就使用过这种方法,那时他还是迈阿密州的一名小记者。当时人们对于政府各级官员的信任度降 ABCnews executive lead investigative chief journalist Brian Rose and his colleagues conducted a sample survey: They randomly selected 40 police officers in Los Angeles and New York City, and in the 6 weeks they turned to 40 The police officers handed over 40 wallets, each with a different amount of cash, and various identifications with names, addresses and telephone numbers. In fact, Ross used this method as early as the 70s, when he was a small reporter in Miami. At that time people’s trust in government officials at all levels