一个真实的案例——一位教社会学的教授曾叫学生调查200名男孩的成长背景和生活环境,并对他们的未来发展做评估。这些评估的结果都是“他毫无出头的机会”。25年后,另一位教授发现了这份研究。好奇之余,他开始了后续调查,想了解昔日这些男孩今天到底是何状况。令人惊叹的是,除了20名男孩搬 A real case - a professor of sociology who asked students to investigate the growth background and living environment of 200 boys and assess their future development. The result of these evaluations is “he has no chance at all.” Twenty-five years later, another professor discovered the study. Curiosity, he started a follow-up investigation, want to know what these boys in the past is the situation today. Stunningly, except for 20 boys moving