The History of Instructional Technology
1920-1950 Definition
1960-1970 Definition
1977 Definition
1994 Definition
2008 AECT Definition
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1920-1950 Definition
In the 1900- 1920 it was visual instruction
1920-1940's audiovisual instruction.
1950's instructional media.
1960-1970 Definition
They began to look at IT as a process, that included planning, production, selection, utilization, and management and could be taught as a science for instructional practices. They began to look at it as a problem needing a solution, therefore a systematic instructional design process emphasizing learning.
1977 Definition
Educational technology is introduces as a systemic, complex and integrated process. It involved in all aspects of human learning and analyzes problems , devises, implements, evaluates, and manages solutions related to educational problems.
1994 Definition
2008 AECT Definition
Instructional Technology in the 1990's began to be known as a theory, a process and practice of design, involving the development, utilization, management, and evaluation its processes and resources for learning.
The 2008 AETC definition included ethical practices, emphasized learning and performance by using technological processes and resources