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Glossary of terms used on this site - English

There are 51 entries in this glossary.
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Term Definition

ADDIE is an acronym standing for an Instructional Design System (IDS) with five components: Analyze, Design, Develop, Implement (as in build and test-use the instructional content), and Evaluate (as in evaluate the test-use experience and create a list of improvements to the ADDIE-created educational content and teaching process).


Andragogy in the WikiPedia means that learning: "consists of learning strategies focused on adults. It is often interpreted as the process of engaging adult learners with the structure of learning experience." Structure of learning means "how do I, an adult, most like to learn a given type of material? It implies the adult has self-knowledge about: "How did I learn {some similar subject I liked} in the past? It is self-knowledge about one's own learning processes, personal learning preferences, and learning styles. "Andragogy" also refers to less rigidly structured and more self-paced, learner-directed, learning activities and the learning materials which facilitate this type of learning.

content developer

A Content Developer (CD), or course content developer, performs the work of generating (word-processing, audio-video production), editing, and revising course and lesson content usually according to a project plan.

distance learning

Distance Learning since the advent of the Internet in 1991 has meant learning on a computer connected to the Internet. Distance Learning most simply defined is learning at a distance. With Internet access, students with a computer can minimally read course or lesson content at-a-distance in the form of "static" (fixed content) web pages. What is unique and extremely advantageous about Internet-delivered learning content is that one stored copy of a lesson, exercise, test or book page can be read by 100s and 1000s of student readers at the same time.

instructional design

Instructional Design is the process of project-planning, designing and revising of curricula and course contents, and project management of the curriculum and course content development and deployment.

instructional designer

An Instructional Designer (ID) performs the tasks of instructional design (a term also defined in this glossary).

intelligent tutoring system

ITS stands for "intelligent tutoring system". An Intelligent Tutoring System (ITS) is an "artificially intelligent" software program usually running on a server computer including a web hosting server computer. The ITS "reasons" almost like a human being but typically just with respect to, and within, a relatively small "domain of knowledge. Subject Matter Experts (SMEs) in the particular "domain of knowledge" train the ITS so that the ITS responds 90% of the time the way any of the SMEs would respond to a face-to-face human inquiry put to them. See also "AI" and "SME".

intelligent tutoring systems

Intelligent Tutoring Systems (ITSes) are one or more artificially intelligent tutoring system, each of which in turn is a computer-based service which adds tutorial information and educational experiences usually for a given subject domain.


PI stands for "Principal Investigator", the single or lead researcher in a research laboratory or on a research project.

principal investigator

The "Principal Investigator" (PI) is the single or lead researcher in a research laboratory or on a research project.


SME stands for "subject matter expert".

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