how does laurie get changed by the wave?

Initially she finds it interesting but later she rebels against it.

The Wave also causes her to initially separate from her family and what is important in her life. Later she sees how it affects her boyfriend and her classmates around her.

can you give me more information? for example if she got less populaar or something liem tht

Follow this link and scroll down to the summaries;

Yes popularity does bother Laurie but only to an extent. Laurie has a lot of other things going for her like her relationship with her parents and her desire to succeed. When Laurie discovers herself conforming too much, she pulls back.Check out my link below for an in-depth look at Laurie.