๐”– Bobbio Scriptorium
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THE EFFECTS OF CONGRESSIONAL HEARINGS AND INVESTIGATIONS ON PRESIDENTIAL POPULARITY

โœ Scribed by William D. Baker

Book ID
111369795
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
577 KB
Volume
24
Category
Article
ISSN
0092-9395

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An investigation of the effects of hearing protectors on vocal communication in noise
โœ K. Howell; A.M. Martin ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 946 KB

Previous research has indicated that the wearing of hearing protectors in noise above about 85 dB does not reduce speech intelligibility compared to the open ear condition. However, in spite of this it is still reported by many industrial workers t.hat verbal communication is impeded by such devices