4.7. Analysis.
Comparison 4 Direct and indirect voice training combined versus indirect voice training only, Outcome 7 Sound pressure level (dB) whilst reading at habitual loudness.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.