What technique was introduced by Nielsen in the 1970s to improve accuracy?
A) Meters
B) Portable meters
C) Diaries
D) Telephone interviews
E) Computer monitoring

Name: What technique was introduced by Nielsen in the 1970s to improve accuracy? A) Meters B) Portable meters C) Diaries D) Telephone interviews E) Computer monitoring
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Question

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Nielsen introduced meters in the 1970s to improve the accuracy of television audience measurement by automatically recording what was being watched.

What Technique Was Introduced by Nielsen in the 1970s to Improve