Laughter

We are more likely to laugh if...

• we are alone.

• we are with strangers.

• we are with people we know and like.

• we are in a serious situation.

What is one reason humans laugh?

• to show disagreement

• to express anger

• to show agreement

• to avoid social interaction

What are the two main kinds of laughter?

• spontaneous and contagious

• spontaneous and conversational

• conversational and nervous

• nervous and contagious

Why is laughter sometimes contagious?

• because we learn that laughter is social

• because it's a sign of weakness

• because people don't know how to control it

• because it's rare

Rats and parrots have shown behaviour similar to human laughter.

• True

• False

How does chimpanzee laughter differ from human laughter?

• They only laugh alone.

• They only laugh while exhaling.

• They laugh while inhaling and exhaling.

• They never laugh.

Laughter can put stress on the body.

• True

• False