第九四七章 三百万户采样!
顶点小说(dingdian666.com)更新快,无弹窗!
会拥有记录仪的消费者,就已经有足足50万个家庭!按照三口一家来计算,这也是150万人!
这个数据看起来好像人数不多,但是实际上那可是相当恐怖的——要知道就是后世的央视索福瑞,大部分时间里面,那采样率也是全世界最低!这是什么意思?比如说,上沪这样一个后世2000万人口的超级大都市,2000万人口里,得选择多少家庭多少人口作为统计收视率的采样单位?20万?10万?不,只有区区的1000户!
一个2000万人口的超级大都市,居然只有1000户是作为采样的基础的,这样一个比例简直让人没办法相信其统计数据的准确性!要知道按照统计学原理来说,那是要样本越多,统计分析出来的结果才能越接近现实!哪怕就是一户按照5口之家来计算,1000户也不过是5000人,跟2000万人一比,5000人能代表2000万人的收视倾向?
这两千万分之一千户的采样率,让央视索福瑞成为了全世界收视率调查公司里面采样率最低的公司,这时候就更不要说中国十几亿人口,带来的比别的国家大几十倍上百倍的收视人群了!
而且历史上,央视索福瑞公司调查收视率的时候,那多年作为采样的家庭都不会变动,而这样一个结果,更容易让调查结果失衡——如果就是有奇葩家庭爱看记录片,别的什么片子都不爱看,这咋办?这不是影响了收视率调查真实性了?这2000万人口的都市里面,出100户全家喜欢看纪录片的,不难吧?万一这100户正好都是那1000户采样家庭里的呢?虽然可能性微乎其微,但是万一发生了,这就是让全世界笑掉大牙的低级失误啊!
而此时,贾鸿渐手下的华夏尼尔森公司就完全不同了,可以说只用了一个礼拜的时间,他们就在全国范围内拥有了50万户家庭作为后备的采样家庭,两周就有了120万户家庭!一个月,就有了300万户家庭!这三百万户家庭,就是三百万台电视机,一台记录仪的成本是60元人民币,成本总共也就是投入了1.8个亿人民币!
这样一个投资虽然看起来非常大,不过带来的效果那却是非常好的!在这三百万个家庭里面,华夏尼尔森可以每次统计就在三百万户里面轮流选择一百万户当作样本,而让另外200万户作为对照组来纠正数据!这样一个雄厚的数据库,那简直是还没成立的央视索福瑞所望尘莫及的!
不过有甜蜜也就有痛苦,那就是当三百万份的磁带涌入到了华夏尼尔森公司的时候,他们的数据录入员简直看着数据磁带想自杀——这可不是后世,不是说数据可以通过网络直接进入数据库,他们这些录入员那可是要把磁带一个个的放入跟电脑相连的跟录音机一样的东西里,读取了资料之后还要各种人工检查,可以说光是弄一户的资料,这就要个把小时的——毕竟磁带读完是要有时间的!而三百万份的磁带,就代表着300万个工时!如果说一个录入员一次处理一份,一次一个小时,而全公司只有一百个录入员的话,那么一共需要3万个小时才可以录入完成一个月的数据。三万个小时是什么概念?一天是24个小时,三万个小时就代表是1250天,也就是三年多!
还好的是,在跟华夏高科合资之前,这个AC尼尔森在大陆的雇员就不算少,毕竟他们之前是做消费品调查的,这行业要是人少完全就没办法做了。安排几乎全公司的人上阵录入数据,同时一个人还管十几台机器,就是这样,估摸着也差不多要半个月时间才能搞定一个月的数据!RS!!!
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