從前，有一個地主僱用了建築工人，限他們在三十日內要建好一間屋子。怎知工人收不到足夠材料打穩地基，於是跟地主要求多點時間。地主卻說：「無時間！再等就趕唔上進度，而家即刻同我砌埋個屋頂！」。工人只好照做，但屋子建成後很快就倒塌了。這個故事聽起來很荒謬，但卻跟我們的傳統教育制度極相似～
參考資料
Bloom, B. S. (1968). Learning for mastery. Evaluation Comment (UCLA-CSIEP), 1(2), 1–12.
Bloom, B. S. (1974). Time and learning. American Psychologist, 29(9), 682-688. doi:10.1037/h0037632
Bloom, B. S. (1984). The 2 Sigma Problem: The Search for Methods of Group Instruction as Effective as One-to-One Tutoring. Educational Researcher, 13(6), 4. doi:10.2307/1175554
Breslin, M. M. (1999, September 15). Benjamin Bloom, U. Of C. Prof Who Saw Potential Of All To Learn.
Guskey, T. R. (2012). Benjamin S. Bloom: Portraits of an educator. Lanham, MD: Rowman & Littlefield Education.
Khan, S. (n.d.). Let's teach for mastery -- not test scores.
Kulik, C. C., Kulik, J. A., & Bangert-Drowns, R. L. (1990). Effectiveness of Mastery Learning Programs: A Meta-Analysis. Review of Educational Research, 60(2), 265. doi:10.2307/1170612
Rose, T. (2017). The end of average: How to succeed in a world that values sameness. London: Penguin Books.
