The Vitaphone was a ___________ system developed by Western Electric and Bell Telephone Laboratories in the 1920s, which linked a turntable to the film and employed special projectors, amplifiers, and speakers.

A. Optical sound
B. Microphone
C. Amplifier 
D. Sound-on-disc

Answer: D

Communication & Mass Media

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Define the role of field notes in participant observation. Write a brief essay reviewing the central guidelines for constructing field notes

What will be an ideal response?

Communication & Mass Media

Schooling includes

A. planned instruction and programs of study. B. learning achieved through the hidden curriculum. C. the state's goals for its citizens. D. All these answers are correct

Communication & Mass Media