<span>By far, the most obvious advantage of using a wireless microphone is the fact that the user can move unimpeded when performing. The greatest advantage to using a wireless, clip-on microphone is also that, the speaker or the singer can wander freely around the stage without losing the quality of the sound. Hope this answer helps.</span>
psychology* not phycology
and heres the answer..
Between ages 2 and 4, for example, kids can be more emotional and more rebellious, so reverse psychology may be more likely to work on them, he said. But by age 4, when kids are a bit more socialized and less likely to throw temper tantrums, they start to become less susceptible to reverse psychology, he said.