This study answered novel questions about the connection between high school extracurricular dosage (number of activities and participation duration) and the attainment of a bachelor’s degree. Using data from the Common Application and the National Student Clearinghouse (N = 311,308), we found that greater extracurricular participation positively predicted bachelor’s degree attainment. However, among students who ultimately earned a bachelor’s degree, participating in more than a moderate number of high school activities (3 or 4) predicted decreasing odds of earning a bachelor’s degree on time (within 4 years). This effect intensified as participation duration increased, such that students who participated in the greatest number of high school activities for the most years were the most likely to delay college graduation.

中文翻译：

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高中课外参与如何预测学士学位？这很复杂。

这项研究回答了有关高中课外剂量（活动数量和参与时间）与获得学士学位之间的联系的新问题。使用来自通用申请书和国家学生信息交换所的数据（N  = 311,308），我们发现更大的课外参与积极地预测了学士学位的获得。但是，在最终获得学士学位的学生中，参加超过中等数量的高中活动（3或4）预计按时获得学士学位的几率会降低（4年内）。随着参与时间的增加，这种影响加剧，以至于参加了最多数年最多次数的高中活动的学生最有可能延迟大学毕业。