Sound Advice

###### need to be good ######. They speak to everyone ###### schoolchildren to very old ######. Good speakers can make ###### anything sound interesting. Leaders, ###### have to talk people ###### following them, need to ###### able to sound good.

How do leaders do this? ###### answer, scientists studied both ###### and volume. A high ###### sounds like a flute ###### whistle. A low pitch ###### like a drum.

The ###### studied how leaders sounded ###### three different settings.]]>
Something In Common

The study ###### that the four leaders, ######, Fiorina, Sanders and Trump, ###### changed their voices in ###### same ways.

When speaking ###### large crowds, they used ###### low and high voice ######. This made them sound ######. They also used both ###### and quiet voices.

Large ###### have many different kinds ###### people. Leaders change their ###### to sound likable to ######.

Sometimes They Speak In A Normal Tone

The leaders used lower ###### when speaking with other ######.]]>