An evaluator must have at least 10 years of clinical experience in a field of practicerelevant to the specified evaluation. In addition to meeting the Board's general requirements for approval, an evaluatormust also meet the following expectations.1.
The Sound of Silence  is a song by the American music duo Simon & Garfunkel.The song was written by Paul Simon over the period of several months between 1963â1964.he Sound of Silence  is a song by the American music duo Simon & Garfunkel.
On the decibel scale, the smallest audible sound (near total silence) is 0 dB. A sound 10 times more powerful is 10 dB. A sound 100 times more powerful than near total silence is 20 dB. A sound 1,000 times more powerful than near total silence is 30 dB.