You are here:

Instructional Transaction Shells: Responsibilities, Methods, and Parameters

Educational Technology Volume 32, Number 2, ISSN 0013-1962


Describes instructional transactions as patterns of learner interactions designed to enable learners to acquire certain kinds of knowledge or skill and identifies four primary components of an interaction shell: interactions and an interaction manager, instructional parameters, a knowledge base, and a resource database. Transaction shell authoring systems and interactions are also discussed. (nine references) (LRW)


Merrill, M.D. (1992). Instructional Transaction Shells: Responsibilities, Methods, and Parameters. Educational Technology, 32(2), 5-26. Retrieved August 13, 2020 from .

This record was imported from ERIC on December 3, 2015. [Original Record]

ERIC is sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.

Copyright for this record is held by the content creator. For more details see ERIC's copyright policy.


Cited By

View References & Citations Map

These links are based on references which have been extracted automatically and may have some errors. If you see a mistake, please contact