Graham's test

例句：

1. 1. Thisis the first step in evaluating the effectivenessof a new marketing campaign.
   这是评估新营销活动有效性的第一步。
2. 2. The gradingsystem used by the school is based onthe results of the Graham's test.
   学校使用的评分系统是基于格雷厄姆测试的结果。
3. 3. The researcher conducted a studyusing the Graham's test to measurethe impact of social media on young people's mental health.
   研究者使用格雷厄姆测试来测量社交媒体对年轻人心理健康的影响。