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Gillyflower Posted 10 years ago
Grammar

Would you please comment on the following?

Hi,
Would you please comment on the following?

"In his study in 2003, Fernandes reported that protective devices improve speech intelligibility in an environment with 80-90 dB background noise; at lower levels (60-70 dB), however, these devices decreases the intelligibility."

Thank you!
  

Top answer

gillyflower In his study in 2003, Fernandes reported that protective devices improve speech intelligibility in an environment with 80-90 dB background noise; at lower levels (60-70 dB), however, these devices decreases decrease ( the ) intelligibility. Fine as shown above. I consider "the" optional at the end.

  • gillyflower In his study in 2003, Fernandes reported that protective devices improve speech intelligibility in an environment with 80-90 dB background noise; at lower levels (60-70 dB), however, these devices decreases decrease ( the ) intelligibility.
  • Fine as shown above.
  • I consider "the" optional at the end.
  • CJ
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1 Answers
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gillyflowerIn his study in 2003, Fernandes reported that protective devices improve speech intelligibility in an environment with 80-90 dB background noise; at lower levels (60-70 dB), however, these devices decreases decrease (the) intelligibility.

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