In 1969, the economist Kao Hsi-chun sent out a mail questionnaire and obtained responses from 102 returned overseas students. The survey was divided into eight categories. Among them, salary (83 respondents unsatisfied), research facilities (67 respondents unsatisfied), and learning environment (54 respondents unsatisfied) received the lowest marks.
以民國五十八年，由經濟學家高希均教授對一○二名回國留學生所做的郵寄問卷調查為例，問卷中列舉的八項因素中，待遇、研究設備和學術風氣得到的評價最差；考倒數第一名的是待遇（八十三人不滿意），次為研究設備（六十七人）和學術風氣（五十四人）。