这种关键内容分为两个层面，第一个层面就是CCTI—消费者（consumer）、竞争者(competitor)、态势(trend)、自身资源(item self)的研究；第二个层面：生活方式、价值极点、潜在需求、真实需求和客户损失的研究。
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The researchers (Ko & Kuo, 2009) administered a 43-item self-report survey to 596 college students who were mostly between ages 16 and 22 and female (71 percent).
研究人员（Ko & Kuo, 2009）利用一个由43项自述组成的调查，对596名年龄在16到22岁之间的在校大学生（女性占71%）进行了一次调查。
Specialists were invited to verify the listed questions, and then the items were mixed and arranged randomly to form the 43-item self-perfection questionnaire for undergraduates.
请专家对列出的题目进行审核，然后将这些题项混合，随机排列，构成具有43道题目的大学生自我完美主义问卷。
AIM: To study the effects of different physical exercise item, intensity and time on anxiety, depression and self concept of college students.
目的：研究不同锻炼项目、强度和时间对大学生焦虑、抑郁及自我概念的影响。
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