Paula was ready to begin her speech, so she made an "OK" gesture by forming an O with her thumb and forefinger while raising up her other three fingers that acted as a(n)

An example of external noise is

A) the ache of a broken arm. B) an impending deadline. C) a hang nail. D) a ?re truck's siren.

Most adult learners prefer a straight lecture style of presenting over a coaching style that invites audience participation

Indicate whether the statement is true or false.