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利用AB测试
优化产品设计
BY 张童银
01 背景与目标
02 AB实验设计
03 网站改版分析
背景与目标
01
背景与目标
某教育网站想要提升用户转化率,提出了主页改版方案。网站
目前使用轮播图形式推广上新课程,现决定新增主页上方资源位进
行课程更新与预告。为确保主页优化的有效性,准备先设计AB实验
进行小范围测试。
案例数据
 类型:线上用户点击、浏览行为
 范围:2016.9.24~2017.1.18
 数据量:8,188
 用户数:6,328
 测试时长:115天(4个月)
 列字段:日期、用户id、组别、行为类别
AB实验设计
02
AB实验的基本流程
AB实验的基本流程
网站改版分析
03
实验组CTR比对照组高3%,可拒绝零假设
对照组-用户数: 3332
对照组-CTR点击率:27.97%
实验组-用户数: 2996
实验组-CTR点击率:30.97%
CTR差异比例:3%
P值:0.0049

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