KDKA is one of the first commercial radio stations, becoming licensed in 1920. By 1927 there are over 600 radio stations throughout the USA. (Scott, 2008)

KDKA is one of the first commercial radio stations, becoming licensed in 1920. By 1927 there are over 600 radio stations throughout the USA. (Scott, 2008)

As the television industry grows so does the interest in educational television. In 1957, California law allows public schools to use instructional television, and KQED launches instructional services for schools in 1958 in Northern California.  (1950’s KQED history, 2012)

As the television industry grows so does the interest in educational television. In 1957, California law allows public schools to use instructional television, and KQED launches instructional services for schools in 1958 in Northern California. (1950’s KQED history, 2012)

B.F. Skinner describes in 1954 the properties of effective instructional materials. These properties include: presentation of instruction in small steps, active responses to frequent questions, immediate feedback and learner self-pacing. (Reiser & Dempsey, 2012)

B.F. Skinner describes in 1954 the properties of effective instructional materials. These properties include: presentation of instruction in small steps, active responses to frequent questions, immediate feedback and learner self-pacing. (Reiser & Dempsey, 2012)

Early teaching machine used by B.F. Skinner.

Early teaching machine used by B.F. Skinner.

Programmed Instruction Movement mid-1950's through mid-1960's. (Reiser & Dempsey, 2012)

Programmed Instruction Movement mid-1950's through mid-1960's. (Reiser & Dempsey, 2012)

Computer Assisted Instruction (CAI) is being researched and developed in the 1950's by IBM researchers. (Reiser & Dempsey, 2012)

Computer Assisted Instruction (CAI) is being researched and developed in the 1950's by IBM researchers. (Reiser & Dempsey, 2012)

According to the AECT website (2001), in 1923 the Department of Visual Instruction was formed as part of the National Education Association. This organization is now called the Association for Educational Communications and Technology (AECT). The current AECT has 1000’s of  professional members interested in improving instruction through technology.

According to the AECT website (2001), in 1923 the Department of Visual Instruction was formed as part of the National Education Association. This organization is now called the Association for Educational Communications and Technology (AECT). The current AECT has 1000’s of professional members interested in improving instruction through technology.

1922, motion pictures with sound are invented. (Hart, n.d.)

1922, motion pictures with sound are invented. (Hart, n.d.)

Advances in sound motion pictures changes the visual instruction movement into being known as the audiovisual instruction movement. (Reiser & Dempsey, 2012)

Advances in sound motion pictures changes the visual instruction movement into being known as the audiovisual instruction movement. (Reiser & Dempsey, 2012)

During the rise of the visual instruction movement 5 national professional organizations are formed, 5 journals of visual education are published and more than 20 training institutions begin offering courses in visual instruction for teachers. (Reiser & Dempsey, 2012)

During the rise of the visual instruction movement 5 national professional organizations are formed, 5 journals of visual education are published and more than 20 training institutions begin offering courses in visual instruction for teachers. (Reiser & Dempsey, 2012)

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