解析美国教育技术的三条历史发展线索

Parsing the Three Historical Clues of Development of Educational Technology in the U.S.

美国是教育技术领域或学科的发源地,其教育技术的三条历史发展线索一直是中国学界探索教育技术本质的一个参照。[1]那么,美国教育技术的三条历史发展线索的具体内涵是什么?如何从中形成对教育技术领域或学科更为本质的认识呢?这是本文力图解决的问题。

Educational Technology,as a research field or a discipline,was originated from America.The three historical clues of developme nt of Educational Technology in the U.S.have always been taken as the main reference for Chinese scholars to explore the nature of Educational Tech nology.Then,what is the real meanin g of these three clues?How can we arriv e at essential understanding of this field of Educational Technology derived from these three clues?These are the main tasks of this paper.