In a crowded arena, you notice that when others laugh, clap, or cheer on the speaker, you are more likely to follow along with their actions. this is an example of

This is an example of Emotional contagion theory.

The emotional contagion theory suggests that the emotions and related behaviors of one person can directly trigger similar emotions and behaviors in other people. For instance, when some people laugh, clap, or cheer on the speaker in a crowded arena, it is more likely that others would instinctively follow along with their actions.

answer; analytical,creative and practical;

when your a dog and you need a bone.   go and eat a rabbit