1940年代至50年代中期，得外部机遇性因素之利，传播研究在哥伦比亚学派内部一时蔚然成风。吊诡的是，此后其传播研究逐渐失去本生性的“研究阵地”。为此本文指出，正是由于关键人物对传播研究缺乏核心兴趣，持续性资助缺乏及传播研究未建制化才使得哥伦比亚学派的传播研究难以为继。幸而，施拉姆、布莱尔和拉扎斯菲尔德的部分门生以哥伦比亚学派的传播研究理念为路标，拉氏等人的典范思想才得以被不断征用和拓展。

Owing to the structured opportunity, communication study was popular with Columbia school from early 1940s to the middle era of 1950s. However, the school lost its original ground after the period of prosperity. This paper argues that three key factors including lack of genuine interest of critical figures, shortage of sustainable funding and uninstitutionalized research team contribute to the disintegration of the media research. Thanks to scholars like Schramm, Katz, Bleyer and their followers ensuring continuity and development of the Colombia's classical idea.