![](/img/cover-not-exists.png)
Instructional Options and Encouragement Effects in a Microcomputer-Delivered Concept Lesson
Carol A. Carrier, Gayle V. Davidson, Michael D. Williams and Carrie M. KalweitVolume:
79
Language:
english
Journal:
The Journal of Educational Research
DOI:
10.2307/27540201
Date:
March, 1986
File:
PDF, 1.57 MB
english, 1986