Recognizing the need for innovation in methodology, Postlethwait (1964-1965) has developed an integrated experience approach to learning called audio-tutorial. The Department of Science at the University of Northern Iowa, after investigating available data, initiated the use of an audio-tutorial method for part of its general botany course in the spring of 1966.
Iowa Science Teachers' Journal
© Copyright 1967 by the Iowa Academy of Science
Orr, Alan R.
"Report of an Audio-Tutorial Learning Environment at the University of Northern Iowa,"
Iowa Science Teachers Journal: Vol. 5
, Article 16.
Available at: https://scholarworks.uni.edu/istj/vol5/iss1/16